Allwinner A20 - Page 253

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 253 / 812
Offset: 0x48
Register Name: PC_CFG0
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
010: NCE0 011: Reserved
100: Reserved 101: Reserved
110: Reserved 111: Reserved
15
/
/
/
14:12
R/W
0
PC3_SELECT
000: Input 001: Output
010: NCE1 011: Reserved
100: Reserved 101: Reserved
110: Reserved 111: Reserved
11
/
/
/
10:8
R/W
0
PC2_SELECT
000: Input 001: Output
010: NCLE 011: SPI0_CLK
100: Reserved 101: Reserved
110: Reserved 111: Reserved
7
/
/
/
6:4
R/W
0
PC1_SELECT
000: Input 001: Output
010: NALE 011: SPI0_MISO
100: Reserved 101: Reserved
110: Reserved 111: Reserved
3
/
/
/
2:0
R/W
0
PC0_SELECT
000: Input 001: Output
010: NWE 011: SPI0_MOSI
100: Reserved 101: Reserved
110: Reserved 111: Reserved
1.19.4.20. PC CONFIGURE REGISTER 1
Offset: 0x4C
Register Name: PC_CFG1
Default Value: 0x0000_0000