24-RGB MATRIX LED DRIVER

Transcription

1 -RGB MATRIX LED DRIVER DESCRIPTION The ISFLA is a general purpose n (n=~) LED Matrix programmed via MHz IC compatible interface. Each LED can be dimmed individually with -bit PWM data and -bit DC scaling (Color Calibration) data which allowing steps of linear PWM dimming and steps of DC current adjustable level. Additionally each LED open and short state can be detected, ISFLA store the open or short information in Open-Short Registers. The Open-Short Registers allowing MCU to read out via IC compatible interface. Inform MCU whether there are LEDs open or short and the locations of open or short LEDs. FEATURES Supply voltage range:.v to.v current sinks Support n (n=~) LED matrix configurations Individual PWM control steps Individual DC current steps Global current steps SDB rising edge reset IC module khz PWM frequency MHz IC-compatible interface State lookup registers Individual open and short error detect function De-Ghost QFN- (mm mm) package QUICK START RECOMMENDED EQUIPMENT.V, A power supply ABSOLUTE MAXIMUM RATINGS.V power supply Caution: Do not exceed the conditions listed above, otherwise the board will be damaged. PROCEDURE The ISFLA 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 Pin and Pin in JP to enable the control of board MCU (default status). ) Connect Pin and Pin in JP to connect the VIO to V. ) Connect Pin and Pin in JP (ADDR) / JP (SDA) / JP (ADDR) / JP (SCL). ) Connect the VDC power to / of TP, or plug in the USB power input to 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 The ISFLA evaluation board has three display modes. Press K to switch configurations: ) (Default mode) Colors breathe change. ) Rainbow. ) Half cycle colors change. Note: ISFLA solely controls the FxLED function on the evaluation board. Figure : Photo of ISFLA Evaluation Board ORDERING INFORMATION Part No. Temperature Range Package ISFLA-QFLS-EB - C to + C, Industrial QFN-, 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. A, //

2 -RGB MATRIX LED DRIVER SOFTWARE SUPPORT Pin and Pin of JP is default shorted. If the jumper is opened or move to Pin and Pin, the on-board MCU will configure IC pins and SDB pin to high impedance. External IC and SDB signals can be connected to TP (Above ISSI Logo) to control the ISFLA LED driver. SDB SDA SCL Figure : Photo of Arduino UNO connected to Evaluation Board The steps listed below are an example using the Arduino for external control. 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 Also download the Wire.h library from and verify that pgmspace.h is in the directory program Files(x)/Arduino/hardware/tools/avr/avr/include/avr /. Then download the latest ISFLA test firmware (sketch) from the ISSI website ) Open JP s jumper or move to Pin and Pin (Pin is floated). ) Connect the pins from Arduino board to TP(Above ISSI Logo): a) Arduino to ISFLA EVB. b) Arduino.V pin to ISFLA EVB SDB. c) Arduino SDA (A) to ISFLA EVB SCL. d) Arduino SCL (A) to ISFLA EVB SDA. e) If Arduino use.v MCU, connect.v to ISFLA EVB SDB, if Arduino use.v MCU, connect.v to EVB SDB. (Arduino UNO is.v, so SDB=.V) f) Arduino V pin to ISFLA EVB. ) Use the test code in appendix Ⅰ or download the test firmware (sketch) from the ISSI website, a.txt file and copy the code to Arduino IDE, compile and upload to Arduino. ) Run the Arduino code and the initial mode will change the RGB LED colors. Please refer to the datasheet to get more information about ISFLA. Integrated Silicon Solution, Inc. Rev. A, //

3 DOTS MATRIX LED DRIVER AD ADDR CS AD ADDR MISO SDA SDA MOSI SCL SCL SCK VIO V JP JP JP JP JP Y M OSCI OSCI OSCO C P K OSCO C P V R K OSCI OSCO V PA CS SCK MISO MOSI V C u MCU U VBAT PC-ANTI_TAMP PC-OSC_IN PC-OSC_OUT OSC_IN OSC_OUT NRST VSSA VDDA PA-WKUP/ADC_IN/TIM_CH_ETR PA/ADC_IN/TIM_CH PA/USART_TX/ADC_IN/TIM_CH PA/USART_RX/ADC_IN/TIM_CH PA/SPI_NSS/ADC_IN PA/SPI_SCK/ADC_IN PA/SPI_MISO/ADC_IN/TIM_CH PA/SPI_MOSI/ADC_IN/TIM_CH PB/ADC_IN/TIM_CH PB/ADC_IN/TIM_CH PB/BOOT PB/IC_SCL/USART_TX PB/IC_SDA/USART_RX VSS_ VDD_ STMFCT VDD_ VSS_ PB/TIM_CH PB/TIM_CH BOOT PB/IC_SDA/TIM_CH PB/IC_SCL/TIM_CH PB PB/JNTRST PB/JTDO PA/JTDI PA/JTCK/SWCLK VDD_ VSS_ PA/JTMS/SWDIO PA/CANTX/USBDP/TIM_ETR PA/CANRX/USBDM/TIM_CH PA/USART_RX/TIM_CH PA/USART_TX/TIM_CH PA/TIM_CH/MCO PB/SPI_MOSI/TIM_CHN PB/SPI_MISO/TIM_CHN PB/SPI_SCK/TIM_CHN PB/SPI_NSS/TIM_BKIN V SDA SCL CLK V DIO USB_DP USB_DM SDB INTB R.K R.K V MISO MISO V MOSI MOSI V SCK SCK SCL CS CS SDA PA SDB TP SDB SCL SDA CS CS CS D RGBP D RGBP D RGBP D RGBP CS CS CS C u V Power U JP VIN EN LDO PA R R VOUT BP K V K C nf V C u D- D+ V USB_DM R R USB_DP R C uf D- D+ R.K R USB_DM USB_DP NC Con D RGBP D RGBP D RGBP D RGBP CS CS CS D RGBP D RGBP D RGBP D RGBP CS CS CS D RGBP D RGBP D RGBP D RGBP CS CS CS D RGBP D RGBP D RGBP D RGBP CS CS CS D RGBP D RGBP D RGBP D RGBP AD R K AD R K R K SDA SCL SDB R K ADDR ADDR C.uF C VIO.uF U SW SW SW SW VIO CS CS CS CS CS SDA CS SCL CS SDB CS CS CS CS REXT CS CS ADDR CS ADDR CS CS CS PAD CS ISFLA CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS CS SW SW SW SW R CS R CS R CS R CS R CS R CS R CS R CS R CS R CS R CS R CS R CS R CS R CS R CS R CS R CS SW SW SW SW Figure : ISFLA Application Schematic Integrated Silicon Solution, Inc. Rev. A, //

4 DOTS MATRIX LED DRIVER BILL OF MATERIALS Name Symbol Description Qty Supplier Part No. LED Driver U Matrix LED Driver ISSI ISFLA MCU U Microcontroller STM STMFCT LDO U Reduced voltage SGMICRO SGM-.V Diode D~D RGB LED, SMD Everlight -/RGHBHC-A/T Crystal Y Crystal, MHz JB HC-S Resistor R,R RES,.k,/W,±%,SMD Yageo RCJR-KL Resistor R,R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R,R,R,R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor R,R RES,R,/W,±%,SMD Yageo RCJR-RL Resistor R RES,.k,/W,±%,SMD Yageo RCJR-KL Resistor R RES,k,/W,±%,SMD Yageo RCJR-KL Resistor Resistor CS,CS,CS, CS,CS,CS, CS,CS,CS, CS,CS,CS CS,CS,CS, CS,CS,CS RES,R,/W,±%,SMD Yageo RCJR-RL RES,R,/W,±%,SMD (Note ) Yageo RCJR-RL Capacitor C,C CAP,nF,V,±%,SMD Yageo CCMRXRBB Capacitor C,C,C CAP, µf,v,±%,smd Yageo CCKRXRBB Capacitor C,C CAP,pF,V,±%,SMD Yageo CQJRNPOBN Capacitor C CAP,nF,V,±%,SMD Yageo CCKRXRBB Capacitor C CAP,µF,V,±%,SMD Yageo CCMRXRBB Button K Button SMD Bill of Materials, refer to Figure above. Note : The value of these resistors on the evaluation board is Ω. For P=V and red LED application, prefer Ω for these resistors as shown in datasheet Figure. Integrated Silicon Solution, Inc. Rev. A, //

5 DOTS MATRIX LED DRIVER Integrated Silicon Solution, Inc. Rev. A, // Figure : Board Component Placement Guide - Top Layer Figure : Board PCB Layout - Top Layer

6 DOTS 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. A, //

7 DOTS MATRIX LED DRIVER REVISION HISTORY Revision Detail Information Date A Initial release.. Integrated Silicon Solution, Inc. Rev. A, //

8 DOTS MATRIX LED DRIVER APPENDIX Ⅰ: ISFLA Arduino Test Code VA #include<wire.h> #include<avr/pgmspace.h> #define Addr xc void setup() // put your setup code here, to run once: pinmode(, OUTPUT);//ARDUINO BOARD LED control Wire.begin(); Wire.setClock();//IC khz byte PWM_Gamma[]= x,x,x,x,x,x,x,x, x,x,xb,xd,xf,x,x,x, xa,xc,xd,xf,x,x,x,xe, x,x,xc,x,x,x,xb,xf, x,xa,xf,x,x,xd,x,x, xd,x,x,xd,x,xa,xa,xa, xac,xb,xb,xbf,xc,xcb,xcf,xd, xe,xe,xed,xf,xf,xfa,xfe,xff ; void IS_IIC_WriteByte(uint_t Dev_Add,uint_t Reg_Add,uint_t Reg_Dat)//writing an LED register Wire.beginTransmission(Dev_Add/); Wire.write(Reg_Add); // sends regaddress Wire.write(Reg_Dat); // sends regaddress Wire.endTransmission(); // stop transmitting void loop() // put your main code here, to run repeatedly: mainloop(); void InitA(void) int i,j; IS_IIC_WriteByte(Addr,xfe,xc); IS_IIC_WriteByte(Addr,xfd,x);//page for(i=;i<x;i++) IS_IIC_WriteByte(Addr,i,);//PWM IS_IIC_WriteByte(Addr,xfe,xc); IS_IIC_WriteByte(Addr,xfd,x);//page for(i=;i<x;i++) IS_IIC_WriteByte(Addr,i,xff);//scaling IS_IIC_WriteByte(Addr,x,x); IS_IIC_WriteByte(Addr,x,xFF);//GCC IS_IIC_WriteByte(Addr,x,x);// void mainloop(void)// int i,j; InitA(); digitalwrite(, LOW); // turn the ARDUINO BOARD LED on (HIGH is the voltage level) while() //BLUE digitalwrite(, HIGH); // turn the ARDUINO BOARD LED on (HIGH is the voltage level) IS_IIC_WriteByte(Addr,xfe,xc); IS_IIC_WriteByte(Addr,xfd,x);//page for(j=;j<;j++) Integrated Silicon Solution, Inc. Rev. A, //

9 DOTS MATRIX LED DRIVER for(i=;i<x;i=i+) IS_IIC_WriteByte(Addr,i,PWM_Gamma[j]);//PWM delay(); digitalwrite(, LOW); // turn the ARDUINO BOARD LED OFF (HIGH is the voltage level) IS_IIC_WriteByte(Addr,xfe,xc); IS_IIC_WriteByte(Addr,xfd,x);//page for(j=;j>=;j--) for(i=;i<x;i=i+) IS_IIC_WriteByte(Addr,i,PWM_Gamma[j]);//PWM delay(); //GREEN digitalwrite(, HIGH); // turn the ARDUINO BOARD LED on (HIGH is the voltage level) IS_IIC_WriteByte(Addr,xfe,xc); IS_IIC_WriteByte(Addr,xfd,x);//page for(j=;j<;j++) for(i=;i<x;i=i+) IS_IIC_WriteByte(Addr,i,PWM_Gamma[j]);//PWM delay(); digitalwrite(, LOW); // turn the ARDUINO BOARD LED OFF (HIGH is the voltage level) IS_IIC_WriteByte(Addr,xfe,xc); IS_IIC_WriteByte(Addr,xfd,x);//page for(j=;j>=;j--) for(i=;i<x;i=i+) IS_IIC_WriteByte(Addr,i,PWM_Gamma[j]);//PWM delay(); //RED digitalwrite(, HIGH); // turn the ARDUINO BOARD LED on (HIGH is the voltage level) IS_IIC_WriteByte(Addr,xfe,xc); IS_IIC_WriteByte(Addr,xfd,x);//page for(j=;j<;j++) for(i=;i<x;i=i+) IS_IIC_WriteByte(Addr,i,PWM_Gamma[j]);//PWM delay(); digitalwrite(, LOW); // turn the ARDUINO BOARD LED OFF (HIGH is the voltage level) IS_IIC_WriteByte(Addr,xfe,xc); IS_IIC_WriteByte(Addr,xfd,x);//page for(j=;j>=;j--) for(i=;i<x;i=i+) IS_IIC_WriteByte(Addr,i,PWM_Gamma[j]);//PWM delay(); //WHITE digitalwrite(, HIGH); // turn the ARDUINO BOARD LED on (HIGH is the voltage level) IS_IIC_WriteByte(Addr,xfe,xc); IS_IIC_WriteByte(Addr,xfd,x);//page for(j=;j<;j++) Integrated Silicon Solution, Inc. Rev. A, //

10 DOTS MATRIX LED DRIVER for(i=;i<x;i++) IS_IIC_WriteByte(Addr,i,PWM_Gamma[j]);//PWM delay(); digitalwrite(, LOW); // turn the ARDUINO BOARD LED OFF (HIGH is the voltage level) IS_IIC_WriteByte(Addr,xfe,xc); IS_IIC_WriteByte(Addr,xfd,x);//page for(j=;j>=;j--) for(i=;i<x;i++) IS_IIC_WriteByte(Addr,i,PWM_Gamma[j]);//PWM delay(); Integrated Silicon Solution, Inc. Rev. A, //