Hammer LCD 8bit Color STN

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This page is to describe how to use the Panasonic EDMGRB8KJF (Datasheet) available from EarthLCD with the Hammer development module from TinCanTools


Pinout with more explanations and links.
Pin number Main Function Note Alt Function Note
1 RXD0 RS232 Receive GPH3 GPIO port H bit 3
2 TXD0 RS232 Transmit GPH2 GPIO port H bit 2
3 IICSDA I2C SDA Wikipedia explains I2C GPE15 GPIO port E bit 15
4 IICSCL I2C SCL GPE14 GPIO port E bit 14
5 SPIMISO0 SPI port 0 MISO Wikipedia explains SPI GPE11 GPIO port E bit 11
6 SPIMOSI0 SPI port 0 MOSI GPE12 GPIO port E bit 12
7 SPICLK0 SPI port 0 clock GPE13 GPIO port E bit 13
8 nSS0 SPI port 0 select EINT10 External Interrupt 10 (Wakeup capable?)
9 nRESET CPU reset.
10 nRTS0 RS232 RTS (Ready to send) GPH1 GPIO port H bit 1
11 nCTS0 RS232 CTS (Clear to send) GPH0 GPIO port H bit 0
12 TOUT0 PWM timer 0 out GPB0 GPIO port B bit 0
13 TOUT2 PWM timer 2 out GPB2 GPIO port B bit 2
14 RXD2 RS232 port 2 receive (Note, Port 1 isn't accessible) GPH7 GPIO port H bit 7
15 TXD2 RS232 port 2 transmit GPH6 GPIO port H bit 6
16 VM LCD AC bias GPC4 GPIO port C bit 4
17 VFRAME LCD Vertical sync GPC3 GPIO port C bit 3
18 VLINE LCD Horizontal sync GPC2 GPIO port C bit 2
19 VCLK LCD pixel clock GPC1 GPIO port C bit 1
20 GND Ground - supply voltage return.
21 LCD_VD0 LCD data bit 0 GPC8 GPIO port C bit 8
22 LCD_VD1 LCD data bit 1 GPC9 GPIO port C bit 9
23 LCD_VD2 LCD data bit 2 GPC10 GPIO port C bit 10
24 LCD_VD3 LCD data bit 3 GPC11 GPIO port C bit 11
25 LCD_VD4 LCD data bit 4 GPC12 GPIO port C bit 12
26 LCD_VD5 LCD data bit 5 GPC13 GPIO port C bit 13
27 LCD_VD6 LCD data bit 6 GPC14 GPIO port C bit 14
28 LCD_VD7 LCD data bit 7 GPC15 GPIO port C bit 15
29 EINT11 External interrupt 11 nSS 1 SPI port 1 select
30 EINT15 External interrupt 15 SPICLK1 SPI port 1 Clock
31 EINT14 External interrupt 14 SPIMOSI1 SPI port 1 MOSI
32 EINT13 External interrupt 13 SPIMISO1 SPI port 1 MISO
33 AIN1 ADC input 1 (Note - these ADCs are independant, and do not support differential mode)
34 AIN0 ADC input 0
35 DP1 USB 1 Slave +
36 DN1 USB 1 Slave -
37 DP0 USB 0 Host +
38 DN0 USB 0 Host -
39 +3.3VDC Internal regulator output. Can supply 100mA(?) safely. Overloading this may cause irreparable damage.
40 +5V 5V input.
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