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Atmel SAM4E Xplained Pro [USER GUIDE]

42216A-MCU-01/2014

Pin on EXT4 SAM4E pin Function Shared functionality

2 [GND] - GND

3 [D0] PC0 D0 SRAM, NAND and EBI spare header

4 [D1] PC1 D1 SRAM, NAND and EBI spare header

5 [D2] PC2 D2 SRAM, NAND and EBI spare header

6 [D3] PC3 D3 SRAM, NAND and EBI spare header

7 [GND] - GND

8 [D4] PC4 D4 SRAM, NAND and EBI spare header

9 [D5] PC5 D5 SRAM, NAND and EBI spare header

10 [D6] PC6 D6 SRAM, NAND and EBI spare header

11 [D7] PC7 D7 SRAM, 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]

PE5 GPIO

34 [VSYNC / CS] PA23 GPIO EBI spare header

35 [HSYNC / WE] PC8 NWE SRAM and EBI spare header

36 [DATA ENABLE / RE] PC11 NRD SRAM and EBI spare header

37 [SPI SCK] - -

38 [SPI MOSI] - -

39 [SPI MISO] - -

40 [SPI SS] - -

41 [DISP ENABLE] PE3 GPIO EDBG DGI and EBI spare header

42 [TWI SDA] PA3 TWD0 EXT1, EXT2, EXT3 and EDBG

43 [TWI SCL] PA4 TWCK0 EXT1, EXT2, EXT3 and EDBG

44 [IRQ1] PE4 IRQ1 IRQ2 and EDBG DGI