User manual

Board Description
AT91SAM9G20-EK Evaluation Board User Guide 3-9
6413C–ATARM–18-Feb-09
Table 3-3. I/o Peripheral Controller C
I/O Line Peripheral A Peripheral B Comments Function
PC0 AD0 SCK3
PC1 AD1 PCK0 Audio DAC WM8731 (MCLK)
PC2 AD2 PCK1
PC3 AD3 SPI1_NPCS3
PC4 A23 SPI1_NPCS2 (J28) IMAGE SENSOR CONNECTOR (CTRL1)
PC5 A24 SPI1_NPCS1 USB_CNX (VBUS DETECT)
PC6 TIOB2 CFCE1
PC7 TIOB1 CFCE2
PC8 NCS4/CFCS0 RTS3
PC9 NCS5/CFCS1 TIOB0
PC10 A25/CFRNW CTS3
PC11 NCS2 SPI0_NPCS1 SPI DataFlash memory (Chip Select)
PC12 IRQ0 NCS7
PC13 FIQ NCS6 NAND Flash (RDYBSY)
PC14 NCS3/NANDCS IRQ2 NAND Flash (NANDCS)
PC15 NWAIT IRQ1
PC16 D16 SPI0_NPCS2 EBI Data Bus (PC16..PC31)
PC17 D17 SPI0_NPCS3
PC18 D18 SPI1_NPCS1
PC19 D19 SPI1_NPCS2
PC20 D20 SPI1_NPCS3
PC21 D21 EF100
PC22 D22 TCLK5
PC23 D23
PC24 D24
PC25 D25
PC26 D26
PC27 D27
PC28 D28
PC29 D29
PC30 D30
PC31 D31