W83L951DG Datasheet, PDF (61/112 Pages) Winbond – Mobile Keyboard and Embedded Controller

W83L951DG/W83L951FG
6.6 GPIOs Block
W83L951DG/FG provides 13 GPIO blocks, and every GPIO block has 8 GPIO that can set
individually. I/O Pad has three states by data register and direction register setting. Input register
always reads current pad status.
Figure 6-1 GPIO Block Diagram
Table 6-13 GPIOs Type Setup Define
TYPE
OUTPUT REGISTER(WRITE)
Input
Don’t Care
Output
Output Data
Open-Drain
0
DIRECTION REGISTER
0
1
Output Data’
Table 6-14.GPIOs Control Register Define
GPIO BLOCK(26)
INTADDR
NAME
7
6
5
4
3
2
1
0
80
GPIO0
GPIO 0 Input/Output Register[7:0]
88
GPIO1
GPIO 1 Input/Output Register[7:0]
90
GPIO2
GPIO 2 Input/Output Register[7:0]
98
GPIO3
GPIO 3 Input/Output Register[7:0]
A0
GPIO4
GPIO 4 Input/Output Register[7:0]
A8
GPIO5
GPIO 5 Input/Output Register[7:0]
B0
GPIO6
GPIO 6 Input/Output Register[7:0]
B8
GPIO7
GPIO 7 Input/Output Register[7:0]
C0
GPIO8
GPIO 8 Input/Output Register[7:0]
C8
GPIO9
GPIO 9 Input/Output Register[7:0]
D8
GPIOA
GPIO A Input/Output Register[7:0]
E8
GPIOB
GPIO B Input/Output Register[7:0]
F8
GPIOC
GPIO C Input/Output Register[7:0]
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Publication Release Date: August 2006
Revision 1.0