User manual

Evaluation Kit Hardware
SAM4S-EK2 User Guide 4-17
11176A–ATARM–24-Sep-12
30 PA29 RI1 TCLK2 MCCK POI_DC5 MCI clock
31 PA30 PWML2 NPCS2 MCDA0 WKUP11 / POI_DC6 MCI data bit 0
32 PA31 NPCS1 PCK2 MCDA1 POI_DC7 MCI data bit 1
Table 4-2. PIO Port B Pin Assignments and Signal Descriptions
No
I/O
Line
Peripheral
A
Peripheral
B
Peripheral
C Extra Function
System
Function Comment
1 PB0 PWMH0 AD4 Microphone input
2 PB1 PWMH1 AD5 Analog input
3 PB2 URXD1 NPCS2 AD6 / WKUP12 ZigBee chip select
4 PB3 UTXD1 PCK2 AD7 User push-button 1
5 PB4 TWD1 PWMH2 TDI JTAG data in
6 PB5 TWCK1 PWML0 WKUP13
TDO/
TRACESWO
JTAG data out
7PB6 TMS/SWDIO JTAG test mode select
8PB7 TCK/SWCLK JTAG clock
9PB8 XOUT CLK12MHz
10 PB9 XIN CLK12MHz
11 PB10 DDM USB DM
12 PB11 DDP USB DP
13 PB12 PWML1 ERASE Flash erase selector
14 PB13 PWML2 PCK0 DAC0 Audio Output R
15 PB14 NPCS1 PWMH3 DAC1 Audio Output L
Table 4-3. PIO Port C Pin Assignments and Signal Descriptions
No I/O Line Peripheral A
Peripheral
B
Peripheral
C
Extra
Function
System
Function Comments
1 PC0 D0 PWML0 EBI D0
2 PC1 D1 PWML1 EBI D1
3 PC2 D2 PWML2 EBI D2
4 PC3 D3 PWML3 EBI D3
5 PC4 D4 NPCS1 EBI D4
6 PC5 D5 EBI D5
7 PC6 D6 EBI D6
8 PC7 D7 EBI D7
9 PC8 NWR0/NWE TFT LCD write enable
10 PC9 NANDOE NAND Flash output enable
11 PC10 NANDWE NAND Flash write enable
12 PC11 NRD TFT LCD read enable
Table 4-1. PIO Port A Pin Assignments and Signal Descriptions (Continued)
No
I/O
Line
Peripheral
A
Peripheral
B
Peripheral
C Extra Function
System
Function Comment