beautypg.com

Rainbow Electronics W90N745CDG User Manual

Page 322

background image

W90N745CD/W90N745CDG

- 318 -

Continued

11 10 01 00

PT0CFG2

NAME TYPE

NAME

TYPE

NAME TYPE

NAME

TYPE

PORT0_2 DSR3 I

PWM1

O

AC97DATAO

or

I²SDATAO

O

GPIO2

I/O

11 10 01 00

PT0CFG3

NAME TYPE

NAME

TYPE

NAME TYPE

NAME

TYPE

PORT0_3 TXD3 O

PWM2

O

AC97SYNC

or

I²SLRCLK

O

GPIO3

I/O

11 10 01 00

PT0CFG4

NAME TYPE

NAME

TYPE

NAME TYPE

NAME

TYPE

PORT0_4 RXD3 O

PWM3

O

AC97BITCLK

or

I²SBITCLK

I

O

GPIO4

I/O

GPIO Port0 Direction Register (GPIO_DIR0)

REGISTER ADDRESS

R/W

DESCRIPTION

RESET

VALUE

GPIO_DIR0 0xFFF8_3004

R/W

GPIO port0 in/out direction control
and pull-up enable register

0x0000_0000

31

30

29

28

27

26

25

24

RESERVED

23

22

21

20

19

18

17

16

RESERVED PUPEN0[3:0]

15

14

13

12

11

10

9

8

RESERVED

7

6

5

4

3

2

1

0

RESERVED OMDEN0[4:0]