Allwinner A20 - Page 279

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 279 / 812
Bit
Read/Write
Default
Description
31:24
/
/
/
1.19.4.62. PG PULL REGISTER 0
Offset: 0xF4
Register Name: PG_PULL0
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
31:24
/
/
/
[2i+1:2i]
(i=0~11)
R/W
0x0
PG_PULL
PG[n] Pull-up/down Select (n = 0~11)
00: Pull-up/down disable 01: Pull-up
10: Pull-down 11: Reserved
1.19.4.63. PG PULL REGISTER 1
Offset: 0xF8
Register Name: PG_PULL1
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
31:0
/
/
/
1.19.4.64. PH CONFIGURE REGISTER 0
Offset: 0xFC
Register Name: PH_CFG0
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
31
/
/
/
30:28
R/W
0
PH7_SELECT
000: Input 001: Output
010: LCD1_D7 011: Reserved
100: UART5_RX 101: MS_CLK