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WAIT#
A2,
KBCS#
XIOR#
t
IORD
t
IORPW
t
RCSD
Figure 20.23 Keyboard Controller Interface Read Timing
WAIT#
A2,
KBCS#
XIOW#
t
IOWD
t
IOWPW
t
WCSD
Figure 20.24 Keyboard Controller Interface Write Timing
USBOVR#
USBPEN#
t
OTP
Figure 20.25 USB Over-Current Detect to Power Down Timing
1/2Vcc
1/2Vcc
V
IH
V
IH
V
IL
V
IL
t
ACKcyc
t
ACKH
t
ACKL
t
ACKf
t
ACKr
Figure 20.26 AFECK Clock Input Timing
Содержание HD64465
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