2-3. HOST Interface
(1) PIO
HCS0, 1
HA0 to 2
XS16
XHRD
XHWR
HDB0 to F
REDY
Txsl
Trww
Tas
Tdd
Tah
Tas
Tdf
Trww
Tah
Tds Tdh
Trel
Trel
CXD1812Q/R
Item
Address setup time (for XHRD/XHWR ↓)
Address hold time (for XHRD/XHWR ↑)
XHRD/XHWR pulse width
Data delay time (for XHRD ↓)
Data float time (for XHRD ↑)
Data setup time (for XHWR ↑)
Data hold time (for XHWR ↑)
XS16 fall time (for Address valid)
REDY fall time (for XHRD/XHWR ↓)
Symbol Min.
Typ.
Max. Unit
Tas
20
ns
Tah
5
ns
Trww
50
ns
Tdd
26
ns
Tdf
5
21
ns
Tds
20
ns
Tdh
5
ns
Txsl
8
ns
Trel
14
ns
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