W90N745CD Datasheet, PDF (323/422 Pages) Winbond – 16/32-bit ARM microcontroller

W90N745CD/W90N745CDG
Continued
PT0CFG2
PORT0_2
11
NAME
DSR3
TYPE
I
10
NAME TYPE
PWM1 O
01
NAME
AC97DATAO
or
I²SDATAO
TYPE
O
00
NAME TYPE
GPIO2 I/O
PT0CFG3
PORT0_3
11
NAME
TXD3
TYPE
O
10
NAME TYPE
PWM2 O
01
NAME
AC97SYNC
or
I²SLRCLK
TYPE
O
00
NAME TYPE
GPIO3 I/O
PT0CFG4
PORT0_4
11
NAME
RXD3
TYPE
O
10
NAME TYPE
PWM3 O
01
NAME
AC97BITCLK
or
I²SBITCLK
TYPE
I
O
00
NAME TYPE
GPIO4 I/O
GPIO Port0 Direction Register (GPIO_DIR0)
REGISTER
GPIO_DIR0
ADDRESS
0xFFF8_3004
R/W
R/W
DESCRIPTION
RESET VALUE
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]
- 318 -