Owners manual

System
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 320
010:PCM0_CLK 011:TWI1_SDA
100:Reserved 101:Reserved
110:PA_EINT19 111:IO Disable
11
/
/
/
10:8
R/W
0x7
PA18_SELECT
000:Input 001:Output
010:PCM0_SYNC 011:TWI1_SCK
100:Reserved 101:Reserved
110:PA_EINT18 111:IO Disable
7
/
/
6:4
R/W
0x7
PA17_SELECT
000:Input 001:Output
010:OWA_OUT 011:Reserved
100:Reserved 101:Reserved
110:PA_EINT17 111:IO Disable
3
/
/
2:0
R/W
0x7
PA16_SELECT
000:Input 001:Output
010:SPI1_MISO 011:UART3_CTS
100:Reserved 101:Reserved
110:PA_EINT16 111:IO Disable
4.22.2.4. PA Configure Register 3 (Default Value: 0x00000000)
Offset: 0x0C
Register Name: PA_CFG3_REG
Bit
R/W
Default/Hex
Description
31:0
/
/
/
4.22.2.5. PA Data Register (Default Value: 0x00000000)
Offset: 0x10
Register Name: PA_DATA_REG
Bit
R/W
Default/Hex
Description
31:22
/
/
/
21:0
R/W
0x0
PA_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.
confidential