Allwinner A20 - Page 233

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 233 / 812
Port B(PB)
Multiplex Function Select
PB6
I2S_BCLK
AC97_BCLK
PB7
I2S_LRCK
AC97_SYNC
PB8
I2S_DO0
AC97_DO
PB9
I2S_DO1
PB10
I2S_DO2
PB11
I2S_DO3
PB12
I2S_DI
AC97_DI
SPDIF_DI
PB13
SPI2_CS1
SPDIF_DO
PB14
SPI2_CS0
JTAG_MS0
PB15
SPI2_CLK
JTAG_CK0
PB16
SPI2_MOSI
JTAG_DO0
PB17
SPI2_MISO
JTAG_DI0
PB18
TWI1_SCK
PB19
TWI1_SDA
PB20
TWI2_SCK
PB21
TWI2_SDA
PB22
UART0_TX
IR1_TX
PB23
UART0_RX
IR1_RX
Port B(PB) Multiplex Function Select Table
Port C(PC)
Multiplex Function Select
PC0
NWE#
SPI0_MOSI
PC1
NALE
SPI0_MISO
PC2
NCLE
SPI0_CLK
PC3
NCE1
PC4
NCE0
PC5
NRE#
PC6
NRB0
SDC2_CMD
PC7
NRB1
SDC2_CLK
PC8
NDQ0
SDC2_D0
PC9
NDQ1
SDC2_D1
PC10
NDQ2
SDC2_D2