键盘针脚界说图

引脚界说

1

DATA

Gnd

4

VCC

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Clock

6

n/c

–

Not connected

引脚界说

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

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