Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 325
4.22.2.14. PC Data Register (Default Value: 0x00000000)
Offset: 0x58
Register Name: PC_DATA_REG
Bit
R/W
Default/Hex
Description
31:19
/
/
/
18:0
R/W
0x0
PC_DAT
If the port is configured as input, the corresponding bit is the pin state. If
the port is configured as output, the pin state is the same as the
corresponding bit. The read bit value is the value setup by software. If the
port is configured as functional pin, the undefined value will be read.
4.22.2.15. PC Multi-Driving Register 0 (Default Value: 0x55555555)
Offset: 0x5C
Register Name: PC_DRV0_REG
Bit
R/W
Default/Hex
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
4.22.2.16. PC Multi-Driving Register 1 (Default Value: 0x00000015)
Offset: 0x60
Register Name: PC_DRV1_REG
Bit
R/W
Default/Hex
Description
31:6
/
/
/
[2i+1:2i]
(i=0~2)
R/W
0x1
PC_DRV
PC[n] Multi-Driving Select (n = 16~18)
00: Level 0 01: Level 1
10: Level 2 11: Level 3
4.22.2.17. PC PULL Register 0 (Default Value: 0x00005140)
Offset: 0x64
Register Name: PC_PULL0_REG
Bit
R/W
Default/Hex
Description
[2i+1:2i]
(i=0~15)
R/W
0x5140
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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