Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 326
4.22.2.18. PC PULL Register 1 (Default Value: 0x00000014)
Offset: 0x68
Register Name: PC_PULL1_REG
Bit
R/W
Default/Hex
Description
31:6
/
/
Reserved
[2i+1:2i]
(i=0~2)
R/W
0x14
PC_PULL
PC[n] Pull-up/down Select (n = 16~18)
00: Pull-up/down disable 01: Pull-up
10: Pull-down 11: Reserved
4.22.2.19. PD Configure Register 0 (Default Value: 0x77777777)
Offset: 0x6C
Register Name: PD_CFG0_REG
Bit
R/W
Default/Hex
Description
31
/
/
/
30:28
R/W
0x7
PD7_SELECT
000:Input 001:Output
010:RGMII_TXD3/MII_TXD3/RMII_NULL 011:Reserved
100:Reserved 101:Reserved
110:Reserved 111:IO Disable
27
/
/
Reserved
26:24
R/W
0x7
PD6_SELECT
000:Input 001:Output
010:RGMII_NULL/MII_RXERR/RMII_RXER 011:Reserved
100:Reserved 101:Reserved
110:Reserved 111:IO Disable
23
/
/
/
22:20
R/W
0x7
PD5_SELECT
000:Input 001:Output
010:RGMII_RXCTL/MII_RXDV/RMII_NULL 011:Reserved
100:Reserved 101:Reserved
110:Reserved 111:IO Disable
19
/
/
/
18:16
R/W
0x7
PD4_SELECT
000:Input 001:Output
010:RGMII_RXCK/MII_RXCK/RMII_NULL 011:Reserved
100:Reserved 101:Reserved
110:Reserved 111:IO Disable
15
/
/
/
14:12
R/W
0x7
PD3_SELECT
000:Input 001:Output
010:RGMII_RXD0/MII_RXD0/RMII_RXD0 011:Reserved
100:Reserved 101:Reserved
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