User manual

Evaluation Kit Hardware
SAM4S-EK2 User Guide 4-16
11176A–ATARM–24-Sep-12
4.4 Configuration
This section describes the PIO usage, the jumpers, the test points and the solder drops of a SAM4S-EK2
board.
4.4.1 PIO Usage
Table 4-1. PIO Port A Pin Assignments and Signal Descriptions
No
I/O
Line
Peripheral
A
Peripheral
B
Peripheral
C Extra Function
System
Function Comment
1 PA0 PWMH0 TIOA0 A17 WKUP0 QTouch slider (left) SNS
2 PA1 PWMH1 TIOB0 A18 WKUP1 QTouch slider (left) SNSK
3 PA2 PWMH2 SCK0 DATRG WKUP2 QTouch slider (middle) SNS
4 PA3 TWD0 NPCS3 QTouch slider (middle) SNSK
5 PA4 TWCK0 TCLK0 WKUP3 QTouch slider (right) SNS
6 PA5 RXD0 NPCS3 WKUP4 QTouch slider (right) SNSK
7 PA6 TXD0 PCK0 MCI card detection
8 PA7 RTS0 PWMH3 XIN32 CLK32KHz
9 PA8 CTS0
AD12BTR
G
WKUP5 XOUT32 CLK32KHz
10 PA9 URXD0 NPCS1 PWMFI0 WKUP6 UART receive data
11 PA10 UTXD0 NPCS2 UART transmit data
12 PA11 NPCS0 PWMH0 WKUP7 NPCS0# (TSC)
13 PA12 MISO PWMH1 MISO_TSC ZigBEE MISO
14 PA13 MOSI PWMH2 MOSI_TSC ZigBEE MOSI
15 PA14 SPCK PWMH3 WKUP8 SPCK_TSC ZigBEE CLK
16 PA15 TF TIOA1 PWML3 WKUP14 / PIO_DCEN1 ZigBEE SLPTR
17 PA16 TK TIOB1 PWML2 WKUP15 / PIO_DCEN2 IRQ_TSC ZigBEE IRQ0
18 PA17 TD PCK1 PWMH3 AD0 BUSY_TSC ZigBEE IRQ1
19 PA18 RD PCK2 A14 AD1 ZigBEE RSTN
20 PA19 RK PWML0 A15 AD2/ WKUP9 Blue LED (UserLED1)
21 PA20 RF PWML1 A16 AD3/ WKUP10 Green LED (UserLED2)
22 PA21 RXD1 PCK1 AD8 USART RXD
23 PA22 TXD1 NPCS3 NCS2 AD9 USART TXD
24 PA23 SCK1 PWMH0 A19 POI_DCCLK USART transceiver enable
25 PA24 RTS1 PWMH1 A20 POI_DC0 USART RTS
26 PA25 CTS1 PWMH2 A23 POI_DC1 USART CTS
27 PA26 DCD1 TIOA2 MCDA2 POI_DC2 MCI data bit 2
28 PA27 DTR1 TIOB2 MCDA3 POI_DC3 MCI data bit 3
29 PA28 DSR1 TCLK1 MCCDA POI_DC4 MCI command