19.4.4
KCLKI and KDI Read Timing
Figure 19.9 shows the KCLKI and KDI read timing.
φ*
Internal read
signal
KCLK, KD
(pin state)
KCLKI, KDI
(register)
Internal data bus
(read data)
Note: * φ here indicates the clock signal frequency-divided by N for medium-speed mode.
19.4.5
KCLKO and KDO Write Timing
Figure 19.10 shows the KLCKO and KDO write timing and the KCLK and KD pin states.
φ*
Internal write
signal
KCLKO, KDO
(register)
KCLK, KD
(pin state)
Note: * φ here indicates the clock signal frequency-divided by N for medium-speed mode.
Figure 19.9 KCLKI and KDI Read Timing
T1
Figure 19.10 KCLKO and KDO Write Timing
Section 19 Keyboard Buffer Control Unit (PS2)
T1
T2
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Rev. 1.00 Apr. 28, 2008 Page 605 of 994
REJ09B0452-0100