Allwinner A20 - Page 274

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 274 / 812
Offset: 0xC8
Register Name: PF_DRV0
Default Value: 0x0000_0555
Bit
Read/Write
Default
Description
[2i+1:2i]
(i=0~5)
R/W
0x1
PF_DRV
PF[n] Multi-Driving Select (n = 0~5)
00: Level 0 01: Level 1
10: Level 2 11: Level 3
1.19.4.52. PF MULTI-DRIVING REGISTER 1
Offset: 0xCC
Register Name: PF_DRV1
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
31:24
/
/
/
1.19.4.53. PF PULL REGISTER 0
Offset: 0xD0
Register Name: PF_PULL0
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
31:12
/
/
/
[2i+1:2i]
(i=0~5)
R/W
0x0
PF_PULL
PF[n] Pull-up/down Select (n = 0~5)
00: Pull-up/down disable 01: Pull-up
10: Pull-down 11: Reserved
1.19.4.54. PF PULL REGISTER 1
Offset: 0xD4
Register Name: PF_PULL1
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
31:0
/
/
/