
Table 3-2. PIO Controller B
I/O Line
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
Peripheral A
SPI1_MISO
SPI1_MOSI
SPI1_SPCK
SPI1_NPCS0
TXD0
RXD0
TXD1
RXD1
Peripheral B
TIOA3
TIOB3
TIOA4
TIOA5
TCLK1
TCLK2
Comments
Function
Audio DAC AT73C213 (MISO)
Audio DAC AT73C213 (MOSI)
Audio DAC AT73C213 (SPCK)
Audio DAC AT73C213 (Chip Select)
COM PORT 0 (TXD)
COM PORT 0 (RXD)
COM PORT 1 (TXD)
COM PORT 1 (RXD)
PB8
PB9
TXD2
RXD2
PB10
TXD3
ISI_D8
(J28) IMAGE SENSOR CONNECTOR (PB10..PB13)
PB11
PB12
PB13
PB14
PB15
RXD3
TXD5
RXD5
DRXD
DTXD
ISI_D9
ISI_D10
ISI_D11
SERIAL DEBUG PORT(RXD)
SERIAL DEBUG PORT(TXD)
3-8
PB16
PB17
PB18
PB19
PB20
PB21
PB22
PB23
PB24
PB25
PB26
PB27
PB28
PB29
PB30
PB31
TK0
TF0
TD0
RD0
RK0
RF0
DSR0
DCD0
DTR0
RI0
RTS0
CTS0
RTS1
CTS1
PCK0
PCK1
TCLK3
TCLk4
TIOB4
TIOB5
ISI_D0
ISI_D1
ISI_D2
ISI_D3
ISI_D4
ISI_D5
ISI_D6
ISI_D7
ISI_PCK
ISI_VSYNC
ISI_HSYNC
ISI_MCK
Audio DAC AT73C213 (BCLK)
Audio DAC AT73C213 (LRFS)
Audio DAC AT73C213 (SDIN)
(J28) IMAGE SENSOR CONNECTOR (CTRL2)
(J28) IMAGE SENSOR CONNECTOR (PB20..PB31)
Warning: Shared with COM PORT 0 (PB22..PB27)
Warning: Shared with COM PORT 1 (PB28..PB29)
AT91SAM9XE-EK Evaluation Board User Guide
6311A–ATARM–04-Feb-08