t8
t8
t7
t7
60h or 64h
60h or 64h
SA25–SA0
GPIO_CSx
IOW
IOR
IOCHRDY
SD7–SD0
(Write)
SD7–SD0
(Read)
Notes:
See the ISA bus section on page 105 for detailed timings between these signals.
Figure 52. I/O Decode (R/W), GPIO_CSx as 8042CS Timing
t10
t10
t9
t9
SA25–SA0
GPIO_CSx
MEMW
MEMR
IOCHRDY
SD7–SD0
(Write)
SD7–SD0
(Read)
Notes:
See the ISA bus section on page 105 for detailed timings between these signals.
Figure 53. Memory CS Decode (R/W), Address Decode Only
Élan™SC400 and ÉlanSC410 Microcontrollers Data Sheet
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