Allwinner A20 - Page 246

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 246 / 812
Offset: 0x24
Register Name: PB_CFG0
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
18:16
R/W
0
PB4_SELECT
000: Input 001: Output
010: IR0_RX 011: Reserved
100: Reserved 101: Reserved
110: Reserved 111: Reserved
15
/
/
/
14:12
R/W
0
PB3_SELECT
000: Input 001: Output
010: IR0_TX 011: Reserved
100: SPDIF_MCLK 101: Reserved
110: STANBYWFI 111: Reserved
11
/
/
/
10:8
R/W
0
PB2_SELECT
000: Input 001: Output
010: PWM0 011: Reserved
100: Reserved 101: Reserved
110: Reserved 111: Reserved
7
/
/
/
6:4
R/W
0
PB1_SELECT
000: Input 001: Output
010: TWI0_SDA 011: Reserved
100: Reserved 101: Reserved
110: Reserved 111: Reserved
3
/
/
/
2:0
R/W
0
PB0_SELECT
000: Input 001: Output
010: TWI0_SCK 011: Reserved
100: Reserved 101: Reserved
110: Reserved 111: Reserved