
Evaluation Kit Hardware
4.3.4.8
PIO Usage
Table 4-16. PIO A Pin Assignment and Signal Description
Signal
Alternate
Periph A
Periph B
Periph C
PA0
PA1
TXD0
RXD0
SPI1_NPCS1
SPI0_NPCS2
TXD0/ ZigBee
RXD0
USART0 shared with ZigBee
USART0
PA2
PA3
PA4
RTS0
CTS0
SCK0
MCI1_DA1
MCI1_DA2
MCI1_DA3
E0_ETX0
E0_ETX1
E0_ETXER
RTS0/ MCI1
CTS0/ MCI1
MCI1
USART0 shared with MCI1
USART0 shared with MCI1
PA5
PA6
PA7
PA8
TXD1
RXD1
TXD2
RXD2
CANTX1
CANRX1
SPI0_NPCS1
SPI1_NPCS0
CAN1
CAN1
ZB_IRQ0
DataFlash
PA9
PA10
CANRX0
CANTX0
DBGU+CAN0
DBGU+CAN0
DBGU shared with CAN0
DBGU shared with CAN0
PA11
PA12
SPI0_MISO
SPI0_MOSI
MCI1_DA0
MCI1_CDA
MCI1
MCI1
PA13
PA14
PA15
PA16
PA17
PA18
PA19
PA20
PA21
PA22
PA23
PA24
PA25
PA26
PA27
PA28
PA29
PA30
PA31
SPI0_SPCK
SPI0_NPCS0
MCI0_DA0
MCI0_CDA
MCI0_CK
MCI0_DA1
MCI0_DA2
MCI0_DA3
TIOA0
TIOA1
TIOA2
TCLK0
TCLK1
TCLK2
TIOB0
TIOB1
TIOB2
TWD0
TWCK0
MCI1_CK
SPI1_MISO
SPI1_MOSI
SPI1_SPCK
TK
TF
TD
RD
RK
RF
SPI1_NPCS3
SPI1_NPCS2
E0_EMDC
E0_ETXEN
MCI1
ZigBee
ZigBee
ZigBee
ZB_IRQ1
MCI0
MCI0
MCI0
MCI0
MCI0
MCI0
DataFlash
DataFlash
DataFlash
SSC
SSC
SSC
SSC
SSC
SSC
SSC
TWD0
TWCK0
Evaluation Kit (EK) User Guide
4-41
11115A–ATARM–27-Jul-11