Datasheet

39
6222GS–ATARM–6-Sep-11
SAM7SE512/256/32 Summary
10.6 PIO Controller C Multiplexing
10.7 Serial Peripheral Interface
• Supports communication with external serial devices
– Four chip selects with external decoder allow communication with up to 15
peripherals
– Serial memories, such as DataFlash
®
and 3-wire EEPROMs
– Serial peripherals, such as ADCs, DACs, LCD Controllers, CAN Controllers and
Sensors
– External co-processors
• Master or slave serial peripheral bus interface
Multiplexing on PIO Controller C
PIO Controller C Application Usage
I/O Line Peripheral A Peripheral B Comments Function Comments
PC0 D0
PC1 D1
PC2 D2
PC3 D3
PC4 D4
PC5 D5
PC6 D6
PC7 D7
PC8 D8 RTS1
PC9 D9 DTR1
PC10 D10 PCK0
PC11 D11 PCK1
PC12 D12 PCK2
PC13 D13
PC14 D14 NPCS1
PC15 D15 NCS3/NANDCS
PC16 A18 NWAIT
PC17 A19 NANDOE
PC18 A20 NANDWE
PC19 A21/NANDALE
PC20 A22/REG/NANDCLE NCS7
PC21 NWR0/NWE/CFWE
PC22 NRD/CFOE
PC23 CFRNW NCS0