资料介绍
键盘接口PS/2 Mode Specification
Operating mode
There are four operating modes in PS/2 mouse:
A. Reset Mode:
In this mode a self-test is initiated during power-on
or by a Reset command. After reset signal, PS/2
mouse will send:
1). Completion code AA & ID code 00.
2). Set default:
sampling rate: 100 reports/s
non-autospeed
2 dot/count
disable
B. Stream Mode:
The maximum rate of transfer is the programmed
sample rate. Data report is transmitted if
1). switch is pressed
2). movement has been detect
C. Remote Mode:
Data is transmitted only in response to a Read Data
command.
D. Wrap Mode:
Any byte of data by the system, except hex EC
(R
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