4.1.2 LCD Extension Connector

Extension connector EXT4 is a special connector for LCD displays. The physical connector is a TE Connectivity 5-1734839-0 FPC connector.

Table 4-4. LCD Display Connector EXT4
Pin on EXT4SAM4E pinFunctionShared functionality
1 [ID]-Communication line to ID chip on extension board
2 [GND]-GND
3 [D0]PC0D0SRAM, NAND, and EBI spare header
4 [D1]PC1D1SRAM, NAND, and EBI spare header
5 [D2]PC2D2SRAM, NAND, and EBI spare header
6 [D3]PC3D3SRAM, NAND, and EBI spare header
7 [GND]-GND
8 [D4]PC4D4SRAM, NAND, and EBI spare header
9 [D5]PC5D5SRAM, NAND, and EBI spare header
10 [D6]PC6D6SRAM, NAND, and EBI spare header
11 [D7]PC7D7SRAM, NAND, and EBI spare header
12 [GND]-GND
13 [D8]--
14 [D9]--
15 [D10]--
16 [D11]--
17 [GND]-GND
18 [D12]--
19 [D13]--
20 [D14]--
21 [D15]--
22 [GND]-GND
23 [D16]--
24 [D17]--
25 [D18]--
26 [D19]--
27 [GND]-GND
28 [D20]--
29 [D21]--
30 [D22]--
31 [D23]--
32 [GND]-GND
33 [PCLK / CMD_DATA_SEL]PE5GPIO
34 [VSYNC / CS]PA23GPIOEBI spare header
35 [HSYNC / WE]PC8NWESRAM and EBI spare header
36 [DATA ENABLE / RE]PC11NRDSRAM and EBI spare header
37 [SPI SCK]--
38 [SPI MOSI]--
39 [SPI MISO]--
40 [SPI SS]--
41 [DISP ENABLE]PE3GPIOEDBG DGI and EBI spare header
42 [TWI SDA]PA3TWD0EXT1, EXT2, EXT3, and EDBG
43 [TWI SCL]PA4TWCK0EXT1, EXT2, EXT3, and EDBG
44 [IRQ1]PE4IRQ1IRQ2 and EDBG DGI
45 [IRQ2]PE4IRQ2IRQ1 and EDBG DGI
46 [PWM]PD27PWML3EDBG DGI
47 [RESET]PE0GPIO
48 [VCC]-VCC_P3V3
49 [VCC]-VCC_P3V3
50 [GND]-GND