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Rainbow Electronics W90N745CDG User Manual

Page 321

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W90N745CD/W90N745CDG

Publication Release Date: September 22, 2006

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317

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Revision

A2

GPIO Register Description, continued.

REGISTER ADDRESS

R/W

DESCRIPTION RESET

VALUE

GPIO_DATAIN5

0xFFF8_305C

R

GPIO Port5 Data Input
Register

0xXXXX_XXXX

GPIO_DBNCECON 0xFFF8_3070 R/W

GPIO Input Debounce
Control Register

0x0000_0000

GPIO_XICFG

0xFFF8_3074

R/W

Extend Interrupt Configure
Register

0xXXXX_XXX0

GPIO_XISTATUS 0xFFF8_3078 R/W

Extend Interrupt Status
Register

0xXXXX_XXX0

6.13.2 GPIO Register Description

GPIO Port0 Configuration Register (GPIO_CFG0)

REGISTER ADDRESS

R/W

DESCRIPTION

RESET

VALUE

GPIO_CFG0 0xFFF8_3000

R/W

GPIO

port0 configuration register

0x0000_0000

31

30

29

28

27

26

25

24

RESERVED

23

22

21

20

19

18

17

16

RESERVED

15

14

13

12

11

10

9

8

RESERVED PT0CFG4

7

6

5

4

3

2

1

0

PT0CFG3 PT0CFG2 PT0CFG1 PT0CFG0

11 10 01 00

PT0CFG0

NAME TYPE

NAME

TYPE

NAME TYPE

NAME

TYPE

PORT0_0 USB_PWREN O nIRQ2

I

AC97RESET

or

I²SMCLK

O

GPIO0

I/O

11 10 01 00

PT0CFG1

NAME TYPE

NAME

TYPE

NAME TYPE

NAME

TYPE

PORT0_1 DTR3 O

PWM0

O

AC97DATAI

or

I²SDATAI

O

GPIO1

I/O