Datasheet

Section 18 Keyboard Buffer Control Unit (PS2)
Rev. 3.00 Sep. 28, 2009 Page 574 of 910
REJ09B0350-0300
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KCLK
(pin state)
KD
(pin state)
KCLK
(input)
KCLK
(output)
KB7 to KB0
PER
KBS
KBF
Start
bit
Parity bit
Stop bit
Receive processing/
error handling
Automatic I/O inhibit
Previous data Receive data
Flag cleared
9 10 11
701
KB0 KB1
[1] [2] [3] [4] [5] [6]
Figure 18.4 Receive Timing