键盘针脚定义图
电脑键盘针角界定图
PS2键盘接口脚位界定图
PS/2 键盘接口为 6 针母插,外型为:
脚位界定
Pin
Name
Dir
DescripTIon
1
DATA
Key Data
2
n/c
-
Not connected
3
GND
Gnd
4
VCC
Power , 5 VDC
5
CLK
Clock
6
n/c
-
Not connected
键盘接口脚位界定图
键盘接口为 5 针母电源插座:
脚位界定
PC/AT 键盘接口的脚位界定:
Pin
Name
DescripTIon
Technical
1
CLOCK
Clock
CLK/CTS, Open-collector
2
DATA
Data
RxD/TxD/RTS, Open-collector
3
n/c
Not connected
Reset on some very old keyboards.
4
GND
Ground
5
VCC
5 VDC
PC/XT 键盘接口的脚位界定稍有不一样:
Pin
Name
DescripTIon
Technical
1
CLOCK
Clock
CLK/CTS, Open-collector
2
DATA
Data
RxD/TxD/RTS, Open-collector
3
Reset
Reset
4
GND
Ground
5
VCC
5 VDC
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