Allwinner A20 - Page 289

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 289 / 812
Offset: 0x124
Register Name: PI_CFG1
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
31
/
/
/
30:28
R/W
0
PI15_SELECT
000: Input 001: Output
010: SPI1_CS1 011: PS2_SDA1
100: TCLKIN1 101: Reserved
110: EINT27 111: Reserved
27
/
/
/
26:24
R/W
0
PI14_SELECT
000: Input 001: Output
010: SPI0_CS1 011: PS2_SCK1
100: TCLKIN0 101: Reserved
110: EINT26 111: Reserved
23
/
/
/
22:20
R/W
0
PI13_SELECT
000: Input 001: Output
010: SPI0_MISO 011: UART6_RX
100: CLK_OUT_B 101: Reserved
110: EINT25 111: Reserved
19
/
/
/
18:16
R/W
0
PI12_SELECT
000: Input 001: Output
010: SPI0_MOSI 011: UART6_TX
100: CLK_OUT_A 101: Reserved
110: EINT24 111: Reserved
15
/
/
/
14:12
R/W
0
PI11_SELECT
000: Input 001: Output
010: SPI0_CLK 011: UART5_RX
100: Reserved 101: Reserved
110: EINT23 111: Reserved
11
/
/
/
10:8
R/W
0
PI10_SELECT
000: Input 001: Output