CX82100 Home Network Processor Data Sheet
9.2
GPIO Register Memory Map
GPIO registers are identified in Table 9-1.
Table 9-1. GPIO Registers
Register Label
GPIO_ISM1
GPIO_ISM2
GPIO_ISM3
GPIO_OPT
GPIO_OE1
GPIO_OE2
GPIO_OE3
GPIO_DATA_IN1
GPIO_DATA_IN2
GPIO_DATA_IN3
GPIO_DATA_OUT1
GPIO_DATA_OUT2
GPIO_DATA_OUT3
GPIO_ISR1
GPIO_ISR2
GPIO_ISR3
GPIO_IER1
GPIO_IER2
Register Name
GPIO Interrupt Sensitivity Mode Register 1
GPIO Interrupt Sensitivity Mode Register 2
GPIO Interrupt Sensitivity Mode Register 3
GPIO Option Register
GPIO Output Enable Register 1
GPIO Output Enable Register 2
GPIO Output Enable Register 3
GPIO Data Input Register 1
GPIO Data Input Register 2
GPIO Data Input Register 3
GPIO Data Output Register 1
GPIO Data Output Register 2
ASB Address
0x003500A0
0x003500A4
0x003500A8
0x003500B0
0x003500B4
0x003500B8
0x003500BC
0x003500C0
0x003500C4
0x003500C8
0x003500CC
0x003500D0
0x003500D4
0x003500D8
0x003500DC
0x003500E0
0x003500E4
0x003500E8
0x003500EC
0x003500F0
0x003500F4
0x003500F8
Type
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
RW
RW
RW
RR
Default Value
0x00000000
0x00000000
0x00000000
0x00000000
0x00002306
0x00000082
0x00000000
0x00000000
0x00000000
0x00000000
0x23062306
0x00960086
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
Ref.
9.3.20
9.3.21
9.3.22
9.3.1
9.3.2
9.3.3
9.3.4
9.3.5
9.3.6
9.3.7
9.3.8
9.3.9
GPIO Data Output Register 3
9.3.10
9.3.11
9.3.12
9.3.13
9.3.14
9.3.15
9.3.16
9.3.17
9.3.18
9.3.19
GPIO Interrupt Status Register 1
GPIO Interrupt Status Register 2
GPIO Interrupt Status Register 3
GPIO Interrupt Enable Register 1
GPIO Interrupt Enable Register 2
GPIO Interrupt Enable Register 3
GPIO Interrupt Polarity Control Register 1
GPIO Interrupt Polarity Control Register 2
GPIO Interrupt Polarity Control Register 3
RR
RR
RW
RW
RW
RW
RW
RW
GPIO_IER3
GPIO_IPC1
GPIO_IPC2
GPIO_IPC3
9-2
Conexant Proprietary and Confidential Information
101306C
CONEXANT [ CONEXANT SYSTEMS, INC ]
