6x8 MATRIX LED DRIVER
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- Ada Freeman
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1 x MATRIX LED DRIVER DESCRIPTION The ISFL is an automotive grade general purpose LEDs matrix driver with / cycle rate. The device can be programmed via an IC compatible interface. Each LED can be dimmed individually with -bit PWM data which allowing steps of linear dimming. ISFL features Auto Breathing Modes which are noted as ABM-, ABM- and ABM-. For each Auto Breathing Mode, there are timing characters which include current rising / holding / falling / off time and loop characters which include Loop-Beginning / Loop-Ending / Loop-Times. Every LED can be configured to be any Auto Breathing Mode or No-Breathing Mode individually. FEATURES Up to LEDs ( ) in dot matrix Programmable ( RGBs) matrix size with de-ghost function Selectable Auto Breath Modes for each dot Auto Breath Loop Features interrupt pin inform MCU Auto Breath Loop completed Auto Breath offers steps gamma current, interrupt and state look up registers steps Global Current Setting Individual PWM control steps Individual Auto Breath Mode select Individual open and short error detect function QUICK START RECOMMENDED EQUIPMENT.V, A Micro USB Arduino IDE, Arduino code download from ISSI website ABSOLUTE MAXIMUM RATINGS.V Micro USB DC power supply Caution: Do not exceed the conditions listed above, otherwise the board will be damaged. PROCEDURE The ISFL evaluation board is fully assembled, tested and comes programmed with evaluation software. Follow the steps listed below to verify board operation. Caution: Do not turn on the power supply until all connections are completed. ) Connect the VDC USB power to the Micro USB. ) Press K to cycle through a display mode. EVALUATION BOARD OPERATION The ISFL evaluation board drives RGB LEDs located underneath the light dispersing filter. Every press of the K switch will cycle through one of the pre-programmed lighting sequences below: ) White LED ) Rainbow bar ) Red color breath ) Green color breath ) Blue color breath ) Pink color breath ) Yellow color breath ) Cyan color breath Note: ISFL solely controls the FxLED function on the evaluation board. Figure : Photo of ISFL Evaluation Board (VA board with V DC input please refer to AppendixⅠ) ORDERING INFORMATION Part No. Temperature Range Package ISFL-ZLA-EB - C to + C (Automotive) etssop-, Lead-free Table : Ordering Information For pricing, delivery, and ordering information, please contacts ISSI s analog marketing team at analog@issi.com or () -. Integrated Silicon Solution, Inc. Rev. C, //
2 x MATRIX LED DRIVER SOFTWARE CONTROL The evaluation board comes with an Arduino compatible microcontroller circuit preloaded with ISFL demonstration firmware, called a sketch. This allows the functionality of the ISFL to be verified before starting firmware development. The Arduino hardware consists of an Atmel microcontroller with a bootloader allowing quick firmware updates. First download the latest Arduino Integrated Development Environment IDE (.. or greater) from Then download the latest ISFL firmware (sketch) from the ISSI website When using the Arduino environment, please select Genuino UNO as shown below, then select the serial port. Follow the standard procedure to upload the latest ISFL firmware into the Arduino; then use the IDE to modify it. There is no additional software required to run the eval board. EXT-SOFTWARE CONTROL The ISFL can also be driven by an external IIC source. Follow the steps below to configure the eval board for external control. ) Open the two pins of J on the right side, to disable the onboard Arduino and enable external control (the SDA SCL and become high impedance). ) Default is V, if you use a.v IO, connect.v to pin in J. ) Connect to or high level IO ) Connect external IIC to the IIC pins of J ) Start external IIC control. Please refer to the datasheet to get more information about ISFL Integrated Silicon Solution, Inc. Rev. C, //
3 x MATRIX LED DRIVER Integrated Silicon Solution, Inc. Rev. C, // Figure : ISFL Application Schematic PE/INT/AIN U D- D+ U UCAP VBUS PB/SS/PCINT PB/SCLK/PCINT PB/PDI/MOSI/PCINT PB/PDO/MISO/PCINT PB/OCA/OCC/RTS XTAL XTAL PD/OCB/SCL/INT PD/SDA/INT PD/RXD/INT PD/TXD/INT PD/XCK/CTS A PD/ICP/ADC PD/T/OCD/ADC PD/T/OCD/ADC PB/PCINT/ADC PB/PCINT/OCA/OCB/ADC PB/PCINT/OCB/OCB/ADC PC/OCA/OCA PC/ICP/CLK/OCA PE/HWB PF/ADC/TDI PF/ADC/TDO PF/ADC/TMS PF/ADC/TCK PF/ADC PF/ADC AREF A U ATMEGAU V K R n C n C TS SMD-KEY-P RD- RD+ Y M pf C pf C uf C nf C OSC_OUT OSC_IN uf C A K R K R RX L TX ON K R K R K R UCAP AREF V RX Blue Green RXLED IO TXLED HWB VUSB A A A A A A D/TX D/RX D/SDA D/SCL D D KEY IO IO IO IO IO MOSI MISO SCK USB_DM USB_DP NC J USB_Micro MSMF- F VUSB R RPB R RPA D- D+ RD+ RD- CGMLC-E Z Z uf C nf C K R USB_ J ICSP MISO SCK V MOSI T FDNP VUSB VIN V IN OUT U NCP- K R nf C uf C nf C V VIN IN ON/OFF OUT NC/FB U LP-DBVR V uf C.V V REG V REG V SELECTOR(USB) T PMVXP V J J MOSI RXLED/SS D/TX D/RX D/SDA D/SCL D D D D IO IO IO IO IO SCK MISO VIN V A A A A A A AREF.V IO OUT IN TX D CD-S Arduino ISFL CS REST A SYNC SDA SCL ADDR INTB SW SW P SW SW SW P SW CS CS P CS CS CS CS P CS U IS.uF C V V V R.K R.K R K R K R K SDA SCL INTB SYNC REST R K.uF C CS CS CS CS CS CS CS CS SW SW SW SW SW SW.uF C.uF C ADDR R k V K MODE R K.uF C V KEY R R R K A JP MH-Y L J INTB SYNC ADDR SCL SDA V_J D DFL A A- A- uf C uf C V LED Matrix LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD CS CS CS CS CS CS CS CS SW SW SW SW SW SW
4 x MATRIX LED DRIVER BILL OF MATERIALS - Arduino Name Symbol Description Qty Supplier Part No. MCU U Microcontroller ATM ATMEGAU LDO U Reduced voltage ON NCP- LDO U Reduced voltage TI LP-DBVR Triode T FET FAIRCHILD FDNP Triode T FET NXP PMVXP Crystal Y Crystal, MHz Risym MHz Button K Button SMD MT SMD-KEY-P LED ON,TX,RX LED, SMD Blue EVERLIGHT LED L LED, SMD Green EVERLIGHT F F SMD Fuse MF MSMF- Beads L Beads BOURNS MH-Y Diode D Diode, SMD BOURNS CD-S Varistor Z,Z Varistor BOURNS CGMLC-E Resistor RPA,PRB RES,R,/W,±%,SMD Yageo RCJR-RL Resistor R,R,R,R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R,R,R,R RES,k,/W,±%,SMD Yageo RCJR-KL Capacitor C,C CAP,pF,V,±%,SMD Yageo CCKKXRBB Capacitor C,C,C, C,C,C CAP,nF,V,±%,SMD Yageo CCKKXRBB Capacitor C,C,C,C,C CAP,µF,V, ±%,SMD Yageo CCKKXRBB BILL OF MATERIALS ISFL Name Symbol Description Qty Supplier Part No. LED Driver U Matrix LED Driver ISSI ISFL RGB LED LD~LD RGB LED, SMD ROHM SMLVRGBW Diode D Diode, SMD DIODES DFLS Resistor R,R RES,.k,/W,±%,SMD Yageo RCJR-KL Resistor R,R,R,R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R RES,k,/W,±%,SMD Yageo RCJR-KL Capacitor C,C,C,C,C CAP,.µF,V,±%,SMD Yageo CCKKXRBB Capacitor C,C CAP,µF,V,±%,SMD Yageo CCKKXRBB Button K(Bottom) Button Bill of Materials, refer to Figure above. Integrated Silicon Solution, Inc. Rev. C, //
5 x MATRIX LED DRIVER Figure : Board Component Placement Guide - Top Layer Figure : Board PCB Layout - Top Layer Integrated Silicon Solution, Inc. Rev. C, //
6 x MATRIX LED DRIVER Figure : Board Component Placement Guide - Bottom Layer Figure : Board PCB Layout - Bottom Layer Copyright Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products. Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that: a.) the risk of injury or damage has been minimized; b.) the user assume all such risks; and c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances Integrated Silicon Solution, Inc. Rev. C, //
7 x MATRIX LED DRIVER REVISION HISTORY Revision Detail Information Date A Initial release.. B. Deleted V, A power supply.. Update schematic and PCB.. Update bill of materials.. C Correct the PWM level to levels, please check datasheet for more information... Integrated Silicon Solution, Inc. Rev. C, //
8 x MATRIX LED DRIVER APPENDIX Ⅰ: VA GUIDE QUICK START ) Rainbow bar ) Red LED breath ) Green LED breath ) Blue LED breath ) Red and blue LED breath ) Red and green LED breath ) Blue and green LED breath Note: ISFL solely controls the FxLED function on the evaluation board. Figure : Photo of ISFL Evaluation Board RECOMMENDED EQUIPMENT VA.V, A Micro USB or V, A power supply SOFTWARE CONTROL The ISFL use Arduino as is master controller, if using Arduino environment, please select Genuino UNO. No driver is need when initial the hardware. ABSOLUTE MAXIMUM RATINGS VA V DC power supply.v Micro USB DC power supply Caution: Do not exceed the conditions listed above, otherwise the board will be damaged. PROCEDURE VA The ISFL evaluation board is fully assembled and tested. Follow the steps listed below to verify board operation. Caution: Do not turn on the power supply until all connections are completed. ) Connect the VDC power to the connector or VDC USB power to the Micro USB. ) Turn on the power supply, pay attention to the supply current. If the current exceeds A, please check for circuit fault. EVALUATION BOARD OPERATION VA The ISFL evaluation board has three animation display modes. Press K to switch configurations. ) White LED EXT-SOFTWARE CONTROL VA The ISFL can set its IC bus interface logic threshold based on the voltage on the pin. Follow the steps listed below for external control. ) Open JP to disconnect the IC communication, and connect an external MCU to. ) Pull-up the to. ) Connect the VDC power to the connector or VDC power to the Micro USB. ) Turn on the power supply pay attention to the supply current. If the current exceeds A, please check for circuit fault. ) Start external IIC control. Please refer to the datasheet to get more information about ISFL Integrated Silicon Solution, Inc. Rev. C, //
9 x MATRIX LED DRIVER Integrated Silicon Solution, Inc. Rev. C, // Figure : ISFL Application Schematic: VA PE/INT/AIN U D- D+ U UCAP VBUS PB/SS/PCINT PB/SCLK/PCINT PB/PDI/MOSI/PCINT PB/PDO/MISO/PCINT PB/OCA/OCC/RTS XTAL XTAL PD/OCB/SCL/INT PD/SDA/INT PD/RXD/INT PD/TXD/INT PD/XCK/CTS A PD/ICP/ADC PD/T/OCD/ADC PD/T/OCD/ADC PB/PCINT/ADC PB/PCINT/OCA/OCB/ADC PB/PCINT/OCB/OCB/ADC PC/OCA/OCA PC/ICP/CLK/OCA PE/HWB PF/ADC/TDI PF/ADC/TDO PF/ADC/TMS PF/ADC/TCK PF/ADC PF/ADC AREF A U ATMEGAU V MH-Y L K R n C n C K SMD-KEY-P RD- RD+ Y M pf C pf C uf C nf C OSC_OUT OSC_IN uf C A K R K R RX L TX ON K R K R K R UCAP AREF V RX Blue Green RXLED IO TXLED HWB VUSB A A A A A A D/TX D/RX D/SDA D/SCL D D KEY IO IO IO IO IO MOSI MISO SCK USB_DM USB_DP NC USB_Micro MSMF- F VUSB R R R R D- D+ RD+ RD- CGMLC-E Z Z uf C nf C K R USB_ ICSP MISO SCK V MOSI T FDNP VUSB VIN V IN OUT U NCP- K R nf C uf C nf C V VIN IN ON/OFF OUT NC/FB U LP-DBVR V uf C.V V REG V REG V SELECTOR(USB) T PMVXP V J J MOSI RXLED/SS D/TX D/RX D/SDA D/SCL D D D D IO IO IO IO IO SCK MISO VIN V A A A A A A AREF.V IO OUT IN TX D CD-S Arduino ISFL CS REST A SYNC SDA SCL ADDR INTB SW SW P SW SW SW P SW CS CS P CS CS CS CS P CS U IS.uF C V V V R.K R.K R K R K R K SDA SCL INTB SYNC REST R K.uF C CS CS CS CS CS CS CS CS SW SW SW SW SW SW.uF C.uF C ADDR RT VIN BS SW COMP FB EN Thermal Pad U ISPM R K R K R K C pf C NC C.uF C.uF C.uF C uf EN EN D SS L uh C NC VOUT SW * * D SS C uf/v C uf/v R K R K C uf VIN Vout ADJ U LM R R R R C uf/v VOUT V K MODE R K.uF C V KEY R R R NC V V R K R K A JP LED Matrix LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD CS CS CS CS CS CS CS CS SW SW SW SW SW SW
10 x MATRIX LED DRIVER BILL OF MATERIALS (EVB Part) Name Symbol Description Qty Supplier Part No. Buck Chip U Buck Chip ISSI ISPM LED Driver U Matrix LED Driver ISSI ISFL LDO U Reduced voltage ST LMDT Diode LD~LD RGB LED, SMD ROHM SMLVRGBW Diode D,D Diode, SMD DIODES SS Resistor R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R,R,R,R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R,R,R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R,R RES,.k,/W,±%,SMD Yageo RCJR-KL Resistor R RES,R,/W,±%,SMD Yageo RCJR-RL Resistor R RES,R,/W,±%,SMD Yageo RCJR-RL Resistor R RES,R,/W,±%,SMD Yageo RCJR-RL Resistor R NC Capacitor C CAP,µF,V,±%,SMD Yageo CCKKXRBB Capacitor C CAP,pF,V,±%,SMD Yageo CCKKXRBB Capacitor C, CAP,.µF,V, ±%,SMD Yageo CCKKXRBB Capacitor C,C CAP,pF,V,±%,SMD Yageo CCKKXRBB Capacitor C,C,C CAP,.µF,V,±%,SMD Yageo CCKKXRBB Button K Button SMD Integrated Silicon Solution, Inc. Rev. C, //
11 x MATRIX LED DRIVER BILL OF MATERIALS (Genuino Uno Part) Name Symbol Description Qty Supplier Part No. MCU U Microcontroller ATM ATMEGAU LDO U Reduced voltage ON NCP- LDO U Reduced voltage TI LP-DBVR Triode T FET FAIRCHILD FDNP Triode T FET NXP PMVXP Crystal Y Crystal, MHz Risym MHz Button K Button SMD MT SMD-KEY-P LED ON,TX,RX LED, SMD Blue EVERLIGHT LED L LED, SMD Greed EVERLIGHT F F SMD Fuse MF MSMF- Beads L Beads BOURNS RCJR-KL Varistor Z,Z Varistor BOURNS CGMLC-E Resistor R,R RES,R,/W,±%,SMD Yageo RCJR-RL Resistor R,R,R,R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R,R,R RES,k,/W,±%,SMD Yageo RCJR-KL Capacitor C,C CAP,pF,V,±%,SMD Yageo CCKKXRBB Capacitor C,C,C, C,C,C CAP,nF,V,±%,SMD Yageo CCKKXRBB Capacitor C,C CAP,µF,V, ±%,SMD Yageo CCKKXRBB Capacitor C,C CAP,µF,V,±%,SMD Yageo CCKKXRBB Diode D Diode, SMD BOURNS CD-S Bill of Materials, refer to Figure above. Integrated Silicon Solution, Inc. Rev. C, //
12 x MATRIX LED DRIVER Figure : Board Component Placement Guide - Top Layer: VA Figure : Board PCB Layout - Top Layer: VA Integrated Silicon Solution, Inc. Rev. C, //
13 x MATRIX LED DRIVER Figure : Board Component Placement Guide - Bottom Layer: VA Figure : Board PCB Layout - Bottom Layer: VA Integrated Silicon Solution, Inc. Rev. C, //
3 4 MATRIX LED DRIVER
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