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Board Description
3-10
AT91SAM9RL-EK Evaluation Board User Guide
6325A–ATARM–08-Jan-08
Table 3-4. PIO Controller D
I/O Line
Peripheral A
Peripheral B
Application Usage
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PD0
NCS2
VDDIOP
PD1
AC97_FS
AC97 CODEC
AC97_FS
VDDIOP
PD2
AC97_CK
SCK1
AC97 CODEC
AC97_CK
VDDIOP
PD3
AC97_TX
CTS3
AC97 CODEC
AC97_TX
VDDIOP
PD4
AC97_RX
RTS3
AC97 CODEC
AC97_RX
VDDIOP
PD5
DTXD
PWM2
VDDIOP
PD6
AD4
VDDIOP
PD7
AD5
VDDIOP
PD8
NPCS2
PWM3
VDDIOP
PD9
SCK2
NPCS3
VDDIOP
PD10
TWD1
TIOA2
VDDIOP
PD11
TWCK1
TIOB2
VDDIOP
PD12
PWM2
PCK1
VDDIOP
PD13
NCS5/CFCS1
NPCS3
VDDIOP
PD14
DSR0
PWM0
POWER LED
PD14 or PWM0
VDDIOP
PD15
DTR0
PWM1
USER LED 1
PD15 or PWM1
VDDIOP
PD16
DCD0
PWM2
USER LED 2
PD16 or PWM2
VDDIOP
PD17
RI0
NAND FLASH MEMORY
PD17 as RDYBSY
VDDIOP
PD18
PWM3
VDDIOP
PD19
PCK0
VDDIOP
PD20
PCK1
VDDIOP
PD21
TCLK2
VDDIOP