Allwinner A20 - Page 256

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 256 / 812
Offset: 0x50
Register Name: PC_CFG2
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
22:20
R/W
0
PC21_SELECT
000: Input 001: Output
010: NCE6 011: SPI2_MOSI
100: Reserved 101: Reserved
110: Reserved 111: Reserved
19
/
/
/
18:16
R/W
0
PC20_SELECT
000: Input 001: Output
010: NCE5 011: SPI2_CLK
100: Reserved 101: Reserved
110: Reserved 111: Reserved
15
/
/
/
14:12
R/W
0
PC19_SELECT
000: Input 001: Output
010: NCE4 011: SPI2_CS0
100: Reserved 101: Reserved
110: Reserved 111: Reserved
11
/
/
/
10:8
R/W
0
PC18_SELECT
000: Input 001: Output
010: NCE3 011: Reserved
100: Reserved 101: Reserved
110: Reserved 111: Reserved
7
/
/
/
6:4
R/W
0
PC17_SELECT
000: Input 001: Output
010: NCE2 011: Reserved
100: Reserved 101: Reserved
110: Reserved 111: Reserved
3
/
/
/
2:0
R/W
0
PC16_SELECT
000: Input 001: Output
010: NWP 011: Reserved