Atmel SMART SAM4C Series User Manual page 25

3.14.2 PIO Port B Pin Assignments
Table 3-9. PIO Port B Pin Assignments
I/O Line A
PB0 TWD1
PB1 TWCK1
PB2 –
PB3 –
PB4 URXD0
PB5 UTXD0
PB6 –
PB7 TIOA1
PB8 TIOB1
PB9 TCLK1
PB10 TIOA2
PB11 TIOB2
PB12 TCLK2
PB13 PCK0
PB14 –
PB15 –
PB16 RXD0
PB17 TXD0
PB18 SCK0
PB19 RXD4
PB20 TXD4
PB21 SCK4
PB22 RTS4
PB23 ADTRG
PB24 TIOA3
PB25 TIOB3
PB26 TCLK3
PB27 –
PB28 –
PB29 –
PB30 –
PB31 –
25 SAM4C32-EK [USER GUIDE]
Atmel-11253A-ATARM-SAM4C32-EK-UserGuide_17-Sep-14
Peripheral
B C
– –
– –
– –
– –
TCLK0 A17
– A16
– D0
– D1
– D2
– D3
– D4
– D5
– D6
– D7
– NWR0–NWE
NWR1–
–
NBS1
– D8
– D9
PCK2 D10
– D11
– D12
NANDOE D13
NANDWE D14
– D15
– A7
– A6
– A5
– A4
– A3
– A2
– A1
– A0–NBS0
Extra System
Function Function
– TDI
RTCOUT0 TDO/TRACESWO
– TMS/SWDIO
– TCK/SWCLK
– WKUP8
– –
SEG24 –
SEG25 –
SEG26 –
SEG27 –
SEG28 –
SEG29 –
SEG30 –
SEG31/AD3 –
SEG32 –
SEG33 –
SEG34 WKUP10
SEG35 –
SEG36 –
SEG37 –
SEG38 –
SEG39 WKUP11
SEG40 –
SEG41/AD4 –
SEG42 –
SEG43 –
SEG44 WKUP13
SEG45 WKUP14
SEG46 WKUP15
SEG47 –
SEG48 –
SEG49/AD5 –
Reset State Using
–
–
JTAG, I, ST
–
–
DBGU
DBGU
–
–
–
–
PIO, I, PU, ST
–
–
–
–
–
ZigBit / SLPTR
ZigBit / RXD
ZigBit / TXD
ZigBit / RST
PIO, I, PD, ST
ZigBit / MOSI
ZigBit / MISO
ZigBit / SPCK
ZigBit / NPCS
–
–
–
–
PIO, I, PD, ST
–
–
–
–
–