S6A COM / 64 SEG DRIVER & CONTROLLER FOR STN LCD. April Ver

Transcription

1 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD April 1999 Ver 02 Prepared by Jeong-il, eo Jiseo@samsungcokr Contents in this document are subject to change without notice No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of LCD Driver IC Team

2 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 pecification Revision History Version Content Date 00 Original Jun K0090 K0090B, add ILB key Apr Add power ON / OFF sequence Apr1999 2

3 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 CONTNT INTRODUCTION 1 FATUR 1 BLOCK DIARAM 3 PAD CONFIURATION 4 PAD CNTR COORDINAT PIN DCRIPTION 7 POWR UPPLY7 LCD DRIVR UPPLY7 YTM CONTROL 8 MPU INTRFAC 8 LCD DRIVR OUTPUT (DYNAMIC)9 LCD DRIVR OUTPUT (TATIC) 9 FUNCTION DCRIPTION 10 YTM INTRFAC10 ADDR COUNTR (AC)14 DIPLAY DATA RAM (DDRAM) 14 CHARACTR NRATOR ROM (CROM) 1 CHARACTR NRATOR RAM (CRAM) 16 MNT ICON RAM (ICONRAM) 17 TATIC ICON RAM (I) 18 MNT FOR INAL DIPLAY (F)18 LOW POWR CONUMPTION MOD 19 LCD DRIVR CIRCUIT19 INTRUCTION DCRIPTION 20 INITIALIZIN & POWR AV MOD TUP 26 HARDWAR RT26 INITIALIZIN AND POWR AV MOD TUP 27 LCD DRIVIN POWR UPPLY CIRCUIT 30 VOLTA CONVRTR 31 VOLTA RULATOR32 VOLTA NRATOR CIRCUIT 3 RFRNC APPLICATION 36 MPU INTRFAC 36 APPLICATION INFORMATION FOR LCD PANL38 FRAM FRQUNCY42 MAXIMUM ABOLUT RATIN 43 LCTRICAL CHARACTRITIC 44 DC CHARACTRITIC44 AC CHARACTRITIC 47 3

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5 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 INTRODUCTION The 6A0090 is an LCD driver and controller LI for liquid crystal dot matrix character display systems It can display 2 or 3 lines of 12 characters with x 8 dots format It is capable of interfacing with various microprocessors, supporting the 4-bit and 8-bit parallel mode and the clock synchronized serial mode Voltage converter (2 or 3 times), voltage regulator, divider resistor and voltage follower OP AMP are built in the IC and a low operation current of 0µA is achieved The slim shape of the chip makes it suitable for the CO module application and TCP The 6A0090 is an ideal solution for display on portable equipment such as cellular phones FATUR Driver Outputs - Common outputs 26 common - egment outputs 64 segment - Icons 128 horizontal icons, 24 x 4 vertical icons, static icons Applicable Panel ize Display size Duty Contents of outputs 2-line x 12 characters 1/18 (12 characters + 4 segments for signal) x icons + static icons 3-line x 12 characters 1/26 (12 characters + 4 segments for signal) x icons + static icons Internal Memory - Character enerator ROM (CROM) 10,240 bits (26 characters x x 8 dots) - Character enerator RAM (CRAM) 160 bits (4 characters x x 8 dots) - Display Data RAM (DDRAM) 288 bits (12 characters x 3 lines x 8 bits) - egment Icon RAM (ICONRAM) 224 bits (12 x 2 x bits + 2 x 4 bits + 24 x 4 bits) MPU Interface - No busy MPU interface (no busy check or no execution waiting time) - 8-bit parallel interface mode 68-series and 80-series are available - 4-bit parallel interface mode 68-series and 80-series are available - erial interface mode 4 pins clock synchronized serial interface Function et - Various instructions set display control, power save, power control, function set, etc - COM / bi-directional function (4 types of LCD application available) - Hardware reset (R pin) Built-in Analog Circuit - On-chip oscillator with an internal resistor or external clock input - lectronic volume for contrast control (32 or 64 steps) - Voltage converter (2 or 3 times) / voltage regulator / voltage follower and bias circuit 1

6 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD Low Power Consumption - 80 µa Max in normal mode for normal display operation - 10 µa Max in standby mode for displaying static icon - µa Max in sleep mode when display is turned OFF Operating Voltage Range - Power supply voltage (VDD) 24 to V - LCD driving voltage (VLCD = V0 - V) 110 V (positive process) Package Type - old bumped chip or TCP 2

7 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 BLOCK DIARAM R CK P IF CB R DB7 (I) DB6 (CL) DB~ DB4 DB3~ DB0 Parallel Interface 4-bit/8-bit erial Interface Input Buffer 8 8 Instruction Register (IR) Data Register (DR) Address Counter Oscillator Instruction Decoder Display Data RAM (DDRAM) 36x8 bits 8 Timing enerator 64 bits hift Register 26 bits hift Register 64 bits Latch Circuit tatic Driver Common Driver egment Driver COMA A~ COM1~ COM24 COM 1 COM 2 1~ 60 1,2 4, Icon RAM (ICONRAM) 224 bits Character enerator RAM (CRAM) 32 bytes Character enerator ROM (CROM) bits Cursor & Blink Controller LCD Driver Voltage elector VDD ND (V) egment Data Conversion LCD Driving Power Circuit Voltage Converter Voltage Regulator Voltage Follower & Bias Resistor CAP1+ CAP1- CAP2+ CAP2- VOUT V0 VR V0 V1 V2 V3 V4 BID Figure 1 Block Diagram 3

8 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD PAD CONFIURATION Y (0,0) X DUMMY PAD PAD Item Figure 2 Pad Configuration Table 1 6A0090 Pad Dimensions Pad No ize (location) X Y Unit Chip size Pad size 1 to Bumped pad size 1 to Bumped pad height 1 to ± 1 Left, right top Align key size Left bottom Right bottom µm CO Align Key Coordinate ILB Align Key Coordinate 30µm 30µm 30µm 30µm 30µm 30µm 42µm 108µm 108µm 42µm (-3479, -1110) 30µm 30µm 30µm (+3479, -112) 60µm 30µm (-33, +1119) (+33, +1119) 42µm 108µm 42µm 108µm 4

9 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 PAD CNTR COORDINAT Pad No Table 2 Pad Center Coordinates [Unit µm] Pad Coordinate Pad Pad Coordinate Pad Pad Coordinate Name X Y No Name X Y No Name X Y 1 DUMMY DB CAP DUMMY DB CAP COM DB CAP COM DB CAP COM DB CAP COM DB CAP COM VDD CAP COM VDD CAP COM VDD CAP COM V CAP COM V CAP COM V CAP COM V CAP COM V CAP COM V CAP COM V CAP A V V B V V C V V D V BID V VDD DUMMY V VDD DUMMY V VDD DUMMY V CK DUMMY VR VDD R VR P VOUT IF CB VOUT R DB VOUT VDD DB VOUT VDD

10 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD Table 2 Pad Center Coordinates (Continued) Pad No [Unit um] Pad Coordinate Pad Pad Coordinate Pad Pad Coordinate Name X Y No Name X Y No Name X Y 91 DUMMY DUMMY DUMMY DUMMY DUMMY DUMMY DUMMY DUMMY DUMMY COMA COM COM COM COM COM COM COM COM COM COM DUMMY DUMMY DUMMY DUMMY DUMMY DUMMY DUMMY COM DUMMY COM COM DUMMY DUMMY DUMMY * NOT The COM1 has two terminals (#101, #110), and these two COM1 are the same signal at the same time 6

11 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 PIN DCRIPTION POWR UPPLY Table 3 Pin Description Name I/O Description VDD V V0 V1 V2 V3 V4 Power I/O Power supply Connect to MPU power supply pin 0V (ND) Bias voltage level for LCD driving Voltages should have the following relationship; V0 V1 V2 V3 V4 V When the built-in power circuit is on, the following voltages are given to pins V1 to V4 by internal 1/ bias resistors are used LCD bias V1 V2 V3 V4 (1/) bias (4/) x V0 (3/) x V0 (2/) x V0 (1/) x V0 LCD DRIVR UPPLY Table 3 Pin Description (continued) Name I/O Description CAP1+ CAP1- CAP2+ CAP2 VOUT VR O O O O I/O I Capacitor 1+ connecting pin for the internal voltage converter This pin connects the capacitor with CAP1- Capacitor1- connecting pin for the internal voltage converter This pin connects the capacitor with CAP1+ Capacitor 2+ connecting pin for the internal voltage converter When VOUT is 2 times boosting, this pin connects the capacitor with VDD, when 3 times boosting, this pin connects the capacitor with CAP2- Capacitor2- connecting pin for the internal voltage converter When VOUT is 2 times boosting, this pin is not used, when 3 times boosting, this pin connects the capacitor with CAP2+ 2 or 3 times DC/DC voltage converter output This pin connects a capacitor with VDD pin Voltage adjust pin This pin gives a voltage between V0 and V by resistance-division of voltage 7

12 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD YTM CONTROL Table 3 Pin Description (continued) Name I/O Description CK P IF BID I I I I xternal clock input pin It must be fixed to "High" when the internal oscillation circuit is used In the external clock mode, it is used as external clock input pin Parallel / serial selection pin When P = "Low" serial mode When P = "High" 4-bit/8-bit bus mode Interface data length selection pin for parallel data input When P = "Low" IF = "Low " or "High" serial interface mode When P = High IF = "Low" 4-bit bus mode IF = "High" 8-bit bus mode direction selection pin When BID = "Low"; When BID = "High"; MPU INTRFAC Table 3 Pin Description (continued) Name I/O Description R CB R I I I Initialization is performed by edge sensing of the R signal An interface type for the 68/80 series MPU is selected by input level after initialization When R = "Low" 68 series MPU When R = "High" 80 series MPU Chip selection pin When CB = "Low" selected When CB = "High" not selected Register selection pin When R = "Low" instruction register When R = "High" data register 8

13 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 Table 3 Pin Description (Continued) Name I/O Description DB0 to DB3 DB4 to DB DB6 (CL) DB7 (I) I I In 80 series MPU interface mode, active "Low" This pin connects the WR pin of the 80 series MPU The signal on the data bus is fetched at the rise of the WR signal In 68 series MPU interface mode, active "High" This pin becomes an enable clock input of the 68 series MPU When in 8-bit interface mode, DB0 to DB7 are used as input data bus pin In the 4-bit bus mode, only DB4 to DB7 are used as data input pin and DB0 to DB3 are not used In the serial mode, DB6 (CL) is used as serial clock input pin, DB7 (I) is used as serial data input pin and the others are not used LCD DRIVR OUTPUT (DYNAMIC) Table 3 Pin Description Name I/O Description COM1 to COM24 O Common signal output for character display COM1, COM2 O Common signal output for icon display The COM1 has two terminals and these two COM1 are the same signal at the same time 1 to 60 O egment signal output for character display 1, 2 4, O egment signal output for vertical icon display LCD DRIVR OUTPUT (TATIC) Table 3 Pin Description (continued) Name I/O Description COMA O tatic common signal output for static icon display A, B, C, D, O tatic segment signal output for static icon display * NOT DUMMY - These pins should be opened (floated) 9

14 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD FUNCTION DCRIPTION YTM INTRFAC 6A0090 has two kinds of interface type with MPU bus mode and serial mode Bus mode or serial mode is selected by P pin In bus mode, 4-bit bus or 8-bit bus is selected by IF pin, and 68 series MPU or 80 series MPU is selected by R pin Table 4 Various kinds of MPU interface according to P, R and IF P R IF CB R DB0 to 3 DB4 to DB6 DB7 Bus mode (H) 80 series 8 bit (H) CB R WR DB0 to 3 DB4 to DB6 DB7 (H) 4 bit (L) CB R WR * DB4 to DB6 DB7 68 series 8 bit (H) CB R DB0 to 3 DB4 to DB6 DB7 (L) 4 bit (L) CB R * DB4 to DB6 DB7 erial mode (L) (H)/(L) (H)/(L) CB R (H)/(L) * * CL I "*" Don't care ("High", "Low" or "Open"), (H)/(L) fixed "High"(VDD) or "Low"(V) P "High" = bus mode, "Low" = serial mode R "High" = 80-series MPU, "Low" = 68-series MPU IF "High" = 8-bit mode, "Low" = 4-bit mode (P "High") CB "High" = chip is not selected, "Low" = chip is selected R "High" = data register, Low" = instruction register 80-series active "Low", 68-series active "High" CL (DB6) serial clock input I (DB7) serial data input Interface with MPU in Parallel Mode (P = "High") During writing operation, two 8-bit registers, data register (DR) and instruction register (IR), are used The data register (DR) is used as temporary data storage place for being written into DDRAM / CRAM / ICONRAM, and one of these RAMs is selected by RAM address setting instruction The Instruction register (IR) is used only to store instruction code transferred from MPU To select DR or IR register, R input pin is used in bus mode or serial mode In 4-bit bus mode, it is needed to transfer 4-bit data (DB4 to DB7) by two times The high order bits (for 8-bit mode DB4 to DB7) are transferred before the low order bits (for 8-bit mode DB0 to DB3) The DB0 to DB3 pins are floated in this 4-bit bus mode After R resets, 6A0090 considers first 4-bit data from MPU as the high order bits 10

15 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 R CB R DB0 to DB7 Instruction Write Data Write Figure 3 Timing Diagram of 8-bit Parallel Bus Mode Data Transfer (68-series MPU Mode) R CB R DB0 to DB7 Instruction Write Data Write Figure 4 Timing Diagram of 8-bit Parallel Bus Mode Data Transfer (80-series MPU Mode) R CB R DB0 to DB7 upper 4-bit lower 4-bit upper 4-bit lower 4-bit Instruction Write Data Write Figure Timing Diagram of 4-bit Parallel Bus Mode Data Transfer (68-series MPU Mode) 11

16 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD R CB R DB0 to DB7 upper 4-bit lower 4-bit upper 4-bit lower 4-bit Instruction Write Data Write Figure 6 Timing Diagram of 4-bit Parallel Bus Mode Data Transfer (80-series MPU Mode) 12

17 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 Interface with MPU in erial Mode (P = "Low") When P input pin is "Low", clock synchronized serial interface mode is selected At this time, five ports, CL (DB6, synchronizing transfer clock), I (DB7, serial input data), R (register selection input) and CB (chip selection input) are used By setting CB to "Low", 6A0090 can receive CL input If CB is set to "High", 6A0090 resets the internal 8-bit shift register and 3-bit counter erial data is input in the order of "D7, D6, D, D4, D3, D2, D1, D0" from the serial data input pin (I = DB7) at the rising edge of serial clock (CL = DB6) At the rising edge of the 8th serial clock, the serial data (D7 D0) is converted into 8-bit bus mode data The R input of the DR / IR selection is latched at the rising edge of the 8th serial clock (CL) CB I (DB7) D7 D6 D D4 D3 D2 D1 D0 D7 CL (DB6) R Figure 7 Timing Diagram of erial Data Transfer 13

18 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD ADDR COUNTR (AC) Address Counter (AC) in 6A0090 stores CRAM / DDRAM / ICONRAM address, transferred from IR After writing into CRAM / DDRAM / ICONRAM, AC is automatically increased by 1 DIPLAY DATA RAM (DDRAM) DDRAM stores display data of maximum 36 x 8-bits (Max 36 characters) DDRAM address is set in the address counter (AC) as a hexadecimal number 1st ch 12th ch COM1 COM A 3B 3C COM9 COM16 COM1 COM A 4B 4C 1st ch (1) 2 line mode DDRAM Address 60 12th ch 1,2 4, A 3B 3C COM9 COM A 4B 4C COM A B C COM ,2 4, (2) 3 line mode DDRAM Address Figure 8 DDRAM Address 14

19 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 CHARACTR NRATOR ROM (CROM) 6A0090 has the Character enerator ROM (CROM) consisted of up to 26 types of characters Character size is x 8 dots The C bit of the instruction table selects the 4 characters (00h to 03h) of CROM or CRAM 6A0090 CROM is contact mask option ROM and compatible with customized ROM font Table CROM Character Code Table (00) 1

20 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD CHARACTR NRATOR RAM (CRAM) CRAM contained in 6A0090 enables user to program of character pattern for display signal When using CRAM, the C bit should be selected to High CRAM has up to four x 8 -dot characters By writing font data to CRAM, user defined character can be used Table 6 Relationship between Character Code (DDRAM) and Character Pattern (CRAM) Character code (DDRAM data) CRAM address CRAM data (character pattern) D7 D6 D D4 D3 D2 D1 D0 A6 A A4 A3 A2 A1 A0 P7 P6 P P4 P3 P2 P1 P0 Pattern number (00h) Pattern (01h) Pattern (02h) Pattern (03h) Pattern 4 (" " Don't care) 16

21 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 MNT ICON RAM (ICONRAM) ICONRAM has egment Control Data and egment Pattern Data COM1 COM Figure 9 Relationship between ICONRAM and Icon Display Table 7 Relationship between ICONRAM Address and Display Pattern ICONRAM address ICONRAM bits High order 6 7 Low order D7 D6 D D4 D3 D2 D1 D A B C A B C (" " Don't care) 17

22 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD TATIC ICON RAM (I) 6A0090 contains the tatic Icon RAM for displaying the static icons in addition to the dynamic icons Capacity of static icon RAM is 10 bits and is capable of displaying up to icons The following table shows relationship between the static icon functions, tatic Icon RAM address and written data (blink frequency 1 to 2 Hz) Table 8 Relationship between tatic Icon RAM Address and Display Pattern Function Display ON / OFF Blink ON / OFF RAM address D7 D6 D tatic icon data D4 (A) D3 (B) D2 (C) D1 (D) 20h h D0 () tatic icon -A B C D 20h = "0" static icon OFF "1" static icon ON COMA 21h = "0" blink OFF "1" blink ON (20h data are inverted) MNT FOR INAL DIPLAY (F) When DDRAM address is 3Ch COM1 to COM8, 1-line 4Ch COM9 to COM16, 2-line Ch COM17 to COM24, 3-line A B 1 2 C 4 D 1 font 1st bit display 2 font 2nd bit display 4 font 4th bit display font th bit display (Font 3rd bit is not displayed) xample) RAM Address = 3Ch, Data = 41h (CROM Font = "A") COM1 COM8 Figure 10 egment for ignal Display 18

23 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 LOW POWR CONUMPTION MOD 6A0090 provides with standby mode and sleep mode for saving power consumption during standby period tandby Mode (Power ave Bit ON, Oscillation Bit ON) The tandby mode can be switched according to the power save command In the tandby mode, only static icon is displayed 1 Liquid Crystal Display Output COM1 to COM24, COM1, COM2 V level 1 to 60, 1, 2, 4, V level A, B, C, D,, COMA VDD or V level (can be turned on/off by static drivers) Use the static icon RAM for controlling the static icon display done with A, B, C, D,, COMA 2 Written data in DDRAM, CRAM, ICONRAM and registers remain at its previous value 3 Operation mode is retained the same as it was prior to execution of the standby mode The internal circuit for the dynamic display output is stopped 4 The oscillation circuit for the static display must remain ON leep Mode (Power ave ON, Oscillation OFF) To enter the leep Mode, the power circuit and oscillation circuit should be turned off by power save command and power control command This mode helps to save power consumption by reducing current to reset level 1 Liquid Crystal Display Output COM1 to COM24, COM1, COM2 V level 1 to 60, 1, 2, 4, V level A, B, C, D,, COMA V level 2 Written data in DDRAM, CRAM, ICONRAM and registers remain at its previous value 3 Operation mode is retained the same as it was prior to execution of the sleep mode All internal circuits are stopped 4 Power Circuit and Oscillation Circuit The built-in power supply circuit and oscillation circuit are turned off by power save command and power control command LCD DRIVR CIRCUIT LCD driver circuit has 26 common and 64 segment signals for driving LCD Data from ICONRAM / CRAM / CROM are transferred to 64-bit segment register serially, and then they are stored to 64-bit latch For 2-line display mode, COM1 to COM16, COM1, COM2 have 1/18 duty, and in 3-line mode, COM1 to COM24, COM1, COM2 have 1/26 duty ratio bi-directional function is selected by BID input pin, and COM shift direction is selected by function set instruction "" bit Table 9 Data hift Direction BID pin Low High data shift direction

24 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD INTRUCTION DCRIPTION Instruction Return home Display control Power save Power control Function set RAM address set Write data V mode Test mode Instruction code Table 10 Instruction Table R DB7 DB6 DB DB4 DB3 DB2 DB1 DB C B D O P VR VF VC N2 N1 C 0 1 AC6 AC AC4 AC3 AC2 AC1 AC0 1 D7 D6 D D4 D3 D2 D1 D V * * * * Description DDRAM address is set to "30h" from AC and cursor returns to 30h position if shifted The contents of DDRAM are not changed Cursor / blink / display ON / OFF C = 0 cursor OFF (default), C = 1 cursor ON B = 0 blink OFF (default), B = 1 blink ON D = 0 display OFF (default), D = 1 display ON Power save / oscillation circuit O=0 oscillator OFF (default), O=1 oscillator ON P=0 power save OFF (default), P=1 power save ON LCD power control VR = 0 voltage regulator OFF (default), 1 voltage regulator ON VF = 0 voltage follower OFF (default), 1 voltage follower ON VC = 0 voltage converter OFF (default), 1 voltage converter ON Display line mode N2, N1 = 0, 0 2-line display mode (default), 0, 1 3-line display mode et shifting direction of COM = 0 COM left shift (COM1 COM24) (default), 1 COM right shift (COM24 COM1) elect CRAM or CROM C = 0 use CROM (default), 1 use CRAM DDRAM / CRAM / ICONRAM or register address Write DDRAM / CRAM / ICONRAM or register data lectronic volume step V = 0 32 contrast-step (default), 1 64 contrast-step Instruction for IC chip test Don't use this instruction (" " Don t care, "*" Don t use) * NOT1 For the NOP instruction, when V mode is "0" (32 contrast-step), the NOP instruction set is ( ), when V mode is "1" (64 contrast-step), the NOP instruction set is ( ) * NOT2 Instruction execution time depends on the internal process time of 6A0090, therefore it is necessary to provide a time larger than one MPU interface cycle time (tc) between execution of two successive instructions 20

25 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 Return Home Return Home instruction field makes cursor return home DDRAM address is set to "30h" into the address counter Return cursor to first digit of the first line Contents of DDRAM are not changed R DB7 DB6 DB DB4 DB3 DB2 DB1 DB Display Control Display Control instruction field controls cursor / blink / display ON / OFF (" " Don't care) R DB7 DB6 DB DB4 DB3 DB2 DB1 DB C B D C Cursor ON / OFF control bit When C = "High", cursor is turned ON When C = "Low", cursor is disappeared in current display, and can't blink (default) (" " Don't care) B Cursor blink ON / OFF control bit When C = "High" and B = "High", 6A0090 makes LCD alternate between inverting display character and normal display character at the cursor position with about a half second On the contrary, if C = "Low", only a normal character is displayed regardless of "B" flag When B = "Low", blink is OFF (default) D Display ON / OFF control bit When D = "High", entire display is turned ON When D = "Low", display is turned OFF, but display data remain in DDRAM (default) * NOT tatic icons driven by COMA and A / B / C / D / must be controlled by the static icon RAM 21

26 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD Power ave Power ave instruction field is used to control the oscillator and to control Power ave mode R DB7 DB6 DB DB4 DB3 DB2 DB1 DB O P O Oscillator ON / OFF control bit When O = "High", oscillator circuit is turned ON When O = "Low", oscillator is turned OFF (default) P Power save ON / OFF control bit When P = "High", power save mode is turned ON When P = "Low", power save mode is turned OFF (default) Power Control Power Control instruction field sets voltage regulator / follower / converter ON / OFF (" " Don't care) R DB7 DB6 DB DB4 DB3 DB2 DB1 DB VR VF VC VR Voltage regulator circuit control bit When VR = "High", voltage regulator is turned ON When VR = "Low", voltage regulator is turned OFF (default) VF Voltage follower circuit control bit When VF = "High", voltage follower is turned ON When VF = "Low", voltage follower is turned OFF (default) VC Voltage converter circuit control bit When VC = "High", voltage converter is turned ON When VC = "Low", voltage converter is turned OFF (default) * NOT The oscillator circuit must be turned on for the voltage converter circuit to be active 22

27 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 Function et R DB7 DB6 DB DB4 DB3 DB2 DB1 DB N2 N1 C N2, N1 Display line mode instruction field select 2-line or 3-line display mode When N2, N1 = "Low, Low", 2-line display mode (default) When N2, N1 = "Low, High", 3-line display mode Data shift direction of common When = "High", COM right shift (default) When = "Low", COM left shift Line mode COM data shift direction 2-line mode 0 (left) COM1 COM1 COM16 COM1 COM2 COM1 1 (right) COM16 COM1 COM1 COM1 COM2 COM16 3-line mode 0 (left) COM1 COM23 COM24 COM1 COM2 COM1 1 (right) COM24 COM23 COM1 COM1 COM2 COM24 C CRAM enable bit When C = "High", CRAM can be accessed and you can use this RAM as a four special character area (00h to 03h = CRAM font display) When C = "Low", CRAM is disabled CROM (00h to 03h) can be accessed and additional current consumption is saved by using this mode (default), (00h to 03h = CROM font display) 23

28 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD RAM Address et RAM Address set instruction field sets CRAM / DDRAM / ICONRAM or register address ach RAM is distinguished by a RAM address Before writing data into the RAM, set the address by RAM address set instruction Next, when data are written in succession, the address is automatically increased by 1 R DB7 DB6 DB DB4 DB3 DB2 DB1 DB0 0 1 AC6 AC AC4 AC3 AC2 AC1 AC0 Address A B C D F 00h CRAM (00h) CRAM (01h) 10h CRAM (02h) CRAM (03h) 20h I Unused V T Unused 30h DD RAM 1-line (30h to 3Bh) F 40h DD RAM 2-line (40h to 4Bh) F Unused 0h DD RAM 3-line (0h to Bh) F 60h 70h I static icon register (20h, 21h) It is used for / B / C / D / V electronic volume register (28h) T test register (29h) (Do not use) F for signals - 1-line (3Ch), 2-line (4Ch), 3-line (Ch) It is used for 1 / 2 / 4 / ICONRAM COM1 icon (60h to 6Ch) ICONRAM COM2 icon (70h to 7Ch) Unused 24

29 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 Write Data This instruction field makes 6A0090 write binary 8-bit data to DDRAM/CRAM/ICONRAM or register The RAM address to be written into is determined by the previous RAM Address et Instruction After writing operation, the address is automatically increased by 1 V Mode R DB7 DB6 DB DB4 DB3 DB2 DB1 DB0 1 D7 D6 D D4 D3 D2 D1 D0 This instruction field selects between 2 electronic volume steps 32 and 64 contrast-steps R DB7 DB6 DB DB4 DB3 DB2 DB1 DB V When V = Low", 6A0090 selects 32 contrast -step (default) lectronic volume register (28h) = DB7 DB6 DB DB4 DB3 DB2 DB1 DB0 C4 C3 C2 C1 C0 When V = "High", 6A0090 selects 64 contrast-step lectronic volume register (28h) = (" " Don't care) DB7 DB6 DB DB4 DB3 DB2 DB1 DB0 C C4 C3 C2 C1 C0 (" " Don't care) 2

30 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD INITIALIZIN & POWR AV MOD TUP HARDWAR RT After reset by R pin, 6A0090 can be initialized the following state Control Display ON / OFF Instruction C = 0 cursor OFF B = 0 blink OFF D = 0 display OFF Power ave et Instruction O = 0 oscillator OFF P = 0 power save OFF Power Control et Instruction VR = 0 voltage regulator OFF VF = 0 voltage follower OFF VC = 0 voltage converter OFF Function et Instruction N2 = 0, N1 = 0 2-line display mode = 0 COM left shift C = 0 CRAM is not used Return Home Address counter = 30h tatic icon RAM & lectronic Contrast Control Register tatic icon RAM 20h = (0, 0, 0, 0, 0), static icon OFF 21h = (0, 0, 0, 0, 0), blink OFF V = 0 32 contrast-step lectronic contrast control register 28h = ((0), 0, 0, 0, 0, 0), contrast high In Case of 4-bit Interface Mode, 6A0090 considers the First 4-bit Data from MPU as the High Order Bits *NOT If initialization is not done by the R pin at application, an unknown condition may result Then you can initialize by instruction V D D 2 4V tr R tr W tr Reset tim e tr 1 us Reset p ulse wid th trw 1 0 us Re set start tim e tr 0 ns Figure 11 Reset Timing * NOT tr (reset time) indicates the internal circuit reset completion time from the edge of the R signal Accordingly, the 6A0090 usually enters the operating state after tr pecifies the minimum pulse width of the R signal It is reset when a signal having the pulse width greater than TRW is entered 26

31 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 INITIALIZIN AND POWR AV MOD TUP Initializing by Instruction Power ON Waiting for tabilizing the Power Input of Reset ignal (R Pin) Command tatus Initializing by Hardware Reset Input tatus Others are undefined Waiting for 10us or more Command Input (Asterisk indicates any command sequence) 1 Function etup Command (N2, N1,, C) 2 lectronic Volume Register etup (28h) Data ((*), *, *, *, *, *) 3 Power ave et Command P OFF (Power ave) O ON (Oscillation) 4 Power Control et Command VR, VF, VC ON RAM Address et Command 6 Data Writing (RAM Clear) (DDRAM = 20h, CRAM / ICONRAM = 00h) * Note At command () and (6), the internal RAM should be cleared To clear DDRAM and F (segment for signal) -et address at 30h (first DDRAM) and then write 20h (space character code) 13 times -et address at 40h and write 20h for 13 times -et address at 0h and write 20h for 13 times To clear CRAM, -et address at 00h (first CRAM) and then write 00h (null data) 32 times To clear ICONRAM, -et address at 60h (first ICONRAM) and then write 00h (null data) 13 times -et address at 70h and write 00h for 13 times Waiting for 20ms or more Command Input 7 Display Control Commands D ON Data Input 8 tatic Icon Display Commands 20h (*, *, *, *, *) 21h (*, *, *, *, *) nd of Initialization Figure 12 Initializing by Instruction 27

32 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD tandby Mode et or Release by Instruction nd of Initialization tandby mode Normal Operation tatus (Power save is released (OFF) and oscillator is turned ON) Command Input 1 Display Control (D OFF) 2 Power ave (P Power ave ON, O OC ON) 3 Power Control (VR, VF, VC are all OFF) tandby tatus Command Input 1 Power ave (P Power ave OFF, O OC ON) 2 Power Control (VR, VF, VC are all ON) Waiting for 20ms or more Command Input 3 Display Control (D ON) Return to Normal Operation Figure 13 tandby Mode et Figure 14 tandby Mode Release leep Mode et or Release by Instruction nd of Initialization leep Mode Normal Operation (Power save is released (OFF) and oscillator is turn ON) Command Input 1 Display Control (D OFF) 2 Power ave (P Power ave ON, O OC OFF) 3 Power Control (VR, VF, VC are all OFF) nter the leep Mode Command Input 1 Power ave (P Power ave OFF, O OC ON) 2 Power Control (VR, VF, VC are all ON) Waiting for 20ms or more Command Input 3 Display Control (D ON) Return to Normal Operation Figure 1 leep Mode et Figure 16 leep Mode Release 28

33 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 Recommendation of Power ON / OFF equence a) Power ON equence Power ON Voltage Converter ON [VC, VR, VF = 1, 0, 0] Waiting for 1ms Voltage Regulator ON [VC, VR, VF = 1, 1, 0] Waiting for 1ms Voltage Follower ON [VC, VR, VF = 1, 1, 1] Operation Command Input b) Power OFF equence Operation Command Input Display OFF Voltage Regulator OFF [VC, VR, VF = 1, 0, 1] Voltage Follower OFF [VC, VR, VF = 1, 0, 0] Waiting for 0ms Waiting for 1ms Voltage Converter OFF [VR, VF, VC = 0, 0, 0] Waiting for 1ms Operation Command Input 29

34 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD LCD DRIVIN POWR UPPLY CIRCUIT The Power upply Circuit produces LCD panel driving voltage at low power consumption The LCD driving power supply circuit consists of voltage converter (2 times or 3 times), voltage regulator and voltage follower It is controlled by set power control instruction The following table shows how the LCD driving power supply circuit works by power control instruction sets Table 11 Power upply Control Mode et VC VR VF Voltage converter Voltage regulator Voltage follower nable nable nable Disable nable nable VOUT pin Internal voltage output xternal voltage input VR pin Used for voltage adjustment Used for voltage adjustment Disable Disable nable Open Open Disable Disable Disable Open Open * NOT C recommendation is to use only the case listed above table V0, V1, V2, V3, V4 pin Internal voltage output Internal voltage output V1 to V4 internal voltage output V0 external voltage input V0 to V4 external voltage input 30

35 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 VOLTA CONVRTR If capacitors are connected between CAP1+ and CAP1-, CAP2+ and CAP2-, VDD and VOUT, VDD- V voltage is positively tripled and generated at VOUT terminal When the voltage is doubled, open CAP2- and connect CAP2+ to VOUT terminal This boosted voltage is used in the built-in voltage regulator circuit VDD VDD C1 + - C1 + - CAP1+ CAP1- CAP2 CAP2- VOUT VOUT VDD 2 VDD V Figure 17 Two Times Boosting VDD VDD C1 + - C1 + - C1 + - CAP1+ CAP1- CAP2 CAP2- VOUT VOUT VDD 3 VDD V Figure 18 Three Times Boosting 31

36 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD VOLTA RULATOR The Voltage Regulator circuit is used to obtain an appropriate LCD panel driving voltage This voltage is obtained by adjusting resistors Ra and Rb as shown in equation (1), and by setting electronic contrast control data bits, see equation (1), (2) The potential of V0 pin can be adjusted within VRF to VOUT VRF is the internal constant voltage source of the chip and this value is 20V in the condition VDD 24V Voltage regulation by adjusting resistors Ra, Rb Rb V0 = ( ) VRF (1) Ra The internal VRF of the voltage regulator has the temperature compensation function, and the temperature coefficient is approximately 00%/ o C Rb VOUT VR - Ra VRF Inside Chip V0 V ND Figure 19 Voltage Regulator Circuit 32

37 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 lectronic Contrast Control (V = 0, 32 teps) For 32 contrast-step, V flag of V set mode instruction field should be set to "Low", and then, lectronic Contrast Control data bits 28h = (C4, C3, C2, C1, C0) can be valid Voltage regulation is adjusted as 32-contrast step according to the value of electronic contrast control data bits LCD drive voltage V0 has one of 32 voltage values if -bit data is set to the lectronic Contrast Control register (RAM address 28h) When using the lectronic Contrast Control function, you need to turn the voltage regulator on using power control instruction Rb V0 = ( ) VV (2) Ra VV = VRF nα (n = 0, 1, 2,, 30, 31) α = VRF / 10 Table 12 lectronic Contrast Control Register (32 steps) No C7 C6 C C4 C3 C2 C1 C0 na V0 Contrast α (default) α α α α α For example, Ra = 1 [MΩ], Rb = 2 [MΩ], n = 0 then V0 = 6V Maximum Minimum High Low (" " Don't care) R b V O UT V R - V R F V 0 Ra V V - Ins id e C hip V ND Figure 20 lectronic Contrast Control Circuit 33

38 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD lectronic Contrast Control (V=1, 64 teps) For 64 contrast-step, V flag of V set mode instruction field should be set to "High", after this, lectronic Contrast Control data bits 28h = (C, C4, C3, C2, C1, C0) can be valid Voltage regulation is adjusted as 64-contrast step according to the value of lectronic Contrast Control data bits LCD drive voltage V0 has one of 64 voltage values if 6-bit data is set to the lectronic Contrast Control register (RAM address 28h) When using the lectronic Contrast Control function, you need to turn the voltage regulators on using power control instruction Rb V0 = ( ) VV (3) Ra VV = VRF nα (n = 0, 1, 2,, 62, 63) α = VRF / 300 Table 13 lectronic Contrast Control Register (64 teps) No C7 C6 C C4 C3 C2 C1 C0 na V0 Contrast α (default) α α α α α Maximum Minimum High Low (" " Don't care) R b V O U T V R - V R F V 0 R a V V - Ins id e C hip V N D Figure 21 lectronic Contrast Control Circuit 34

39 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 VOLTA NRATOR CIRCUIT VDD VDD VDD VDD C1 - + C1 C1 - + C1 C1 CAP1+ CAP1- CAP2+ CAP2- VOUT CAP1+ CAP1- CAP2+ CAP2- VOUT Rb VR Rb VR Ra Ra ND C2 C2 C2 C2 C2 - + V0 V1 V2 V3 V4 V ND C2 C2 C2 C2 C2 - + V0 V1 V2 V3 V4 V ND Two Times Boosting C1 01 to 47uF C2 01uF ND Three Times Boosting Figure 22 When Built-in Power upply is used (VC, VR, VF = 1, 1, 1) VDD xternal Power upply VDD VDD VDD VDD CAP1+ CAP1+ CAP1+ CAP1- CAP1- CAP1- CAP2+ CAP2+ CAP2- CAP2+ CAP2- CAP2- VOUT VOUT VOUT VDD ND Rb VR VR VR Ra ND C2 - + C2 C2 C2 C2 V0 V1 V2 V3 V4 V xternal Power upply - + V0 V1 V2 V3 V4 V xternal Power upply V0 V1 V2 V3 V4 V ND ND (VC, VR, VF = 0, 1, 1) (VC, VR, VF = 0, 0, 1) (VC, VR, VF = 0, 0, 0) ND All capacitor is C2 C2 01 to 47uF Figure 23 When xternal Power upply is used 3

40 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD RFRNC APPLICATION MPU INTRFAC VCC A0 A1 to A7 IORQ Decoder R CB VDD 6A0090 P MPU WR ND D0 to D7 R RTB DB[07] RTB V IF Figure 24 Parallel Interfacing with 8080-series Microprocessors VCC A0 A1 to A7 VMA Decoder R CB VDD 6A0090 P MPU ND D0 to D7 R RTB DB[07] R V IF Figure 2 Parallel Interfacing with 6800-series Microprocessors 36

41 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 VCC PORT4 R VDD PORT3 CB 6A0090 VDD or V MPU PORT1 CL(DB6) IF ND PORT2 R RTB I(DB7) RTB V P Figure 26 Clock ynchronized erial Interfacing with any Microprocessor 37

42 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD APPLICATION INFORMATION FOR LCD PANL Chip Bottom & Lower View ( (COM) = "0", BID () = "0") 1 2 COM8 COM1 COM1 COMA A0090 BOTTOM VIW COM24 COM17 COM16 COM9 COM2 A Figure 27 Chip Bottom & Lower View ( (COM) = "0", BID () = "0") 38

43 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 Chip Bottom & Upper View ( (COM) = "1", BID () = "1") A COM2 COM9 COM16 COM17 COM A0090 BOTTOM VIW COMA COM1 COM1 COM8 2 1 Figure 28 Chip Bottom & Upper View ( (COM) = "1", BID () = "1") 39

44 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD Chip Top & Lower View ( (COM) = "0", BID () = "1") 4 COM24 COM17 COM16 COM9 COM2 A A0090 TOP VIW COM8 COM1 COM1 COMA Figure 29 Chip Bottom & Lower View ( (COM) = "0", BID () = "1") 40

45 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 Chip Top & Upper View ( (COM) = "1", BID () = "0") COMA COM1 COM1 COM A0090 TOP VIW A COM2 COM9 COM16 COM17 COM24 4 Figure 30 Chip Bottom & Upper View ( (COM) = "1", BID () = "0") 41

46 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD FRAM FRQUNCY 1/18 Duty (2-line Mode) COM1 V0 V1 V4 V 1-line selection period Frame 1 Frame Figure 31 1/18 Duty (2-line Mode) 1-line election Period = 13 Clocks One Frame = 13 x 18 x 432 µs = 100 ms (1 Clock = 432 µs at foc = 234 khz) Frame Frequency = 1 / 100 ms = 100 Hz 1/26 Duty (3-line Mode) 1-line selection period COM1 V0 V1 V4 V Frame 1 Frame Figure 32 1/26 Duty (3-line Mode) 1-line election Period = 13 Clocks One Frame = 13 x 26 x 29 µs = 100 ms (1 Clock = 29 µs at foc = 338 khz) Frame Frequency = 1 / 100 ms = 100 Hz 42

47 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 * Test Condition Temperature (2 C & 8 C), 2-line & 3-line Mode, No Load VDD vs fosc fosc [khz] VDD [V] 2 Line (2 C) 3 Line (2 C) 2 Line (8 C) 3 Line (8 C) Figure 33 VDD vs fosc MAXIMUM ABOLUT RATIN Table 14 Maximum Absolute Ratings Characteristic ymbol Value Unit Power supply voltage (1) VDD -03 to +70 V Power supply voltage (2) VOUT,V0-03 to +130 V Power supply voltage (3) V1,V2,V3,V4-03 to V0 V Operating temperature TOPR -30 to 8 C torage temperature TT - to 12 C * NOT1 Voltage greater than above may damage the circuit * NOT2 All the voltage levels are based on V = 0V * NOT3 Voltage level VOUT V0 VDD V V0 V1 V2 V3 V4 V 43

48 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD LCTRICAL CHARACTRITIC DC CHARACTRITIC Table 1 DC Characteristics (VDD = 24V to 36V, Ta = 30 to +8 o C) Item ymbol Condition Min Typ Max Unit Operating voltage VDD V IDD1 Display operation VLCD = 6V without load No access from MPU upply current (VDD = 3V, Ta = 2 o C) IDD2 tandby operation, without load oscillator ON, power OFF µa IDD3 leep operation, without load oscillator OFF, power save ON - - Input voltage VIH - 08VDD - VDD VIL - V - 02VDD V Input leakage current IIL VIN = 0V to VDD -1-1 µa RON resistance RCOM Io = ± 0µA - - R Io = ± 0µA kω Frame frequency (internal OC) ffr VDD = 3V, Ta = 2 o C Hz xternal clock frequency fck Display of 2-line mode Display of 3-line mode khz Voltage converter VDD 2 or 3 times VOUT2/3 Ta = 2 o C, C1 = 1uF without load % Voltage regulator reference voltage VRF Ta = 2 o C LCD driving voltage VLCD VLCD = V0 - V V 44

49 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 Table 1 DC Characteristics (Continued) (VDD = 36V to V, Ta = 30 to +8 o C) Item ymbol Condition Min Typ Max Unit Operating voltage VDD V IDD1 Display operation VLCD = 6V without load No access from MPU upply current (VDD = V, Ta = 2 o C) IDD2 tandby operation, without load oscillator ON, power OFF µa IDD3 sleep operation, without load oscillator OFF, power save ON Input voltage VIH - 08VDD - VDD VIL - V - 02VDD V Input leakage current IIL VIN = 0V to VDD -1-1 µa RON resistance RCOM Io = ± 0uA - - R Io = ± 0uA kω Frame frequency (internal OC) ffr VDD = V, Ta = 2 o C Hz xternal clock frequency Fck Display of 2-line mode Display of 3-line mode khz Voltage converter VDD 2 times VOUT2 Ta = 2 o C,C1 = 1µF without load % Voltage regulator reference voltage LCD driving voltage VRF Ta = 2 o C VLCD VLCD = V0 - V * NOT When power supply (VDD) range is 36V to V, the boosting of voltage converter is only 2 times available V 4

50 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD * Test Condition Temperature (2 C & 8 C), 3-line Mode, Three Times Boosting, Rb / Ra = 2, V = 32 VDD vs IDD1 (Pattern Off) IDD1 [ua] VDD [V] 3 Line (2 C) 3 Line (8 C) Figure 34 VDD vs IDD1 (Pattern OFF) IDD1 000 [ua] VDD vs IDD1 (Checker Pattern) VDD [V] 3 Line (2 C) 3 Line (8 C) Figure 3 VDD vs IDD1 (Checker Pattern) 46

51 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 AC CHARACTRITIC Write Bus Mode (68 Mode) R,C B t U1 t h 1 t w h t w l t f t r t U2 t h 2 D B0 to D B7 V a lid Da ta t C Figure 36 Write Bus Mode Timing Diagram (68 Mode) (VDD = 24V to 36V, Ta = 30 to +8 o C) Mode Characteristic ymbol Min Typ Max Unit Write bus mode cycle time tc Pulse rise / fall time tr,tf pulse width high twh pulse width low twl R and CB setup time tsu R and CB hold time th Data setup time tsu Data hold time th ns (VDD = 36V to V, Ta = 30 to +8 o C) Mode Characteristic ymbol Min Typ Max Unit Write bus mode cycle time tc Pulse rise / fall time tr,tf pulse width high twh pulse width low twl R and CB setup time tsu R and CB hold time th Data setup time tsu Data hold time th ns 47

52 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD Write Bus Mode (80 Mode) R,CB t U 1 th 1 tw l tw h (W R) tf tr t U 2 th 2 DB0 to D B7 Valid Data tc Figure 37 Write Bus Mode Timing Diagram (80 Mode) (VDD = 24V to 36V, Ta = 30 to +8 o C) Mode Characteristic ymbol Min Typ Max Unit Write bus mode cycle time tc Pulse rise / fall time tr,tf pulse width high twh pulse width low twl R and CB setup time tsu R and CB hold time th Data setup time tsu Data hold time th ns (VDD = 36V to V, Ta = 30 to +8 o C) Mode Characteristic ymbol Min Typ Max Unit Write bus mode cycle time tc Pulse rise / fall time tr,tf pulse width high twh pulse width low twl R and CB setup time tsu R and CB hold time th Data setup time tsu Data hold time th ns 48

53 26 COM / 64 DRIVR & CONTROLLR FOR TN LCD 6A0090 Clock ynchronized erial Mode CB t U1 t C t h1 tr tw tw t f CL t U2 t h2 R t U3 t h3 I Figure 38 Clock ynchronized erial Interface Mode Timing Diagram (VDD = 24V to 36V, Ta = 30 to +8 o C) Mode Characteristic ymbol Min Typ Max Unit Clock synchronized serial interface mode CL clock cycle time tc Pulse rise / fall time tr,tf CL clock width (high, low) tw CB setup time tsu CB hold time th R data setup time tsu R data hold time th I data setup time tsu I data hold time th ns 49

54 6A COM / 64 DRIVR & CONTROLLR FOR TN LCD Write Bus & erial Mode (Typical V) 68 Bus Mode (VDD = 36V to V, Ta = 30 to +8 o C) Mode Characteristic ymbol Min Typ Max Unit Write bus mode cycle time tc Pulse rise / fall time tr,tf pulse width high twh pulse width low twl R and CB setup time tsu R and CB hold time th Data setup time tsu Data hold time th ns 80 Bus Mode (VDD = 36V to V, Ta = 30 to +8 o C) Mode Characteristic ymbol Min Typ Max Unit Write bus mode cycle time tc Pulse rise / fall time tr,tf pulse width high twh pulse width low twl R and CB setup time tsu R and CB hold time th Data setup time tsu Data hold time th ns erial Mode (VDD = 36V to V, Ta = 30 to +8 o C) Mode Characteristic ymbol Min Typ Max Unit Clock synchronized serial interface mode CL clock cycle time tc Pulse rise / fall time tr,tf CL clock width (high, low) tw CB setup time tsu CB hold time th R data setup time tsu R data hold time th I data setup time tsu I data hold time th ns 0