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Allwinner A20 - Page 258

Allwinner A20
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A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 258 / 812
1.19.4.24. PC MULTI-DRIVING REGISTER 0
Offset: 0x5C
Register Name: PC_DRV0
Default Value: 0x5555_5555
Bit
Read/Write
Default
Description
[2i+1:2i]
(i=0~15)
R/W
0x1
PC_DRV
PC[n] Multi-Driving_SELECT (n = 0~15)
00: Level 0 01: Level 1
10: Level 2 11: Level 3
1.19.4.25. PC MULTI-DRIVING REGISTER 1
Offset: 0x60
Register Name: PC_DRV1
Default Value: 0x0001_5555
Bit
Read/Write
Default
Description
31:18
/
/
/
[2i+1:2i]
(i=0~8)
R/W
0x1
PC_DRV
PC[n] Multi-Driving Select (n = 16~24)
00: Level 0 01: Level 1
10: Level 2 11: Level 3
1.19.4.26. PC PULL REGISTER 0
Offset: 0x64
Register Name: PC_PULL0
Default Value: 0x0000_5140
Bit
Read/Write
Default
Description
[2i+1:2i]
(i=0~15)
R/W
0x0000_5140
PC_PULL
PC[n] Pull-up/down Select (n = 0~15)
00: Pull-up/down disable 01: Pull-up
10: Pull-down 11: Reserved

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