OSCIN
STATE1
DS
R/WR
M/IO
OPERAND
ADDRESS
OPERAND
DATA
t35a
t35f
t35j
t35l
t35r
t35b
t35g
t35h
t35v
t35m
t35i
t35k
t35n
ADDRESS
VALID
DATA
VALID
t35t
t35u
t35s
SYMBOL
t35a *
t35b *
t35f *
t35g *
t35h *
t35i
t35j *
t35k
t35l *
t35m*
t35n
t35r *
t35s
t35t *
t35u
t35v *
PARAMETER
OSCIN low to STATE1 high
OSCIN low to STATE1 low
OSCIN low to DS inactive
OSCIN low to DS active
OSCIN high to DS inactive
OSCIN low to DS high Z
OSCIN low to R/WR inactive
OSCIN low to R/WR high Z
OSCIN low to M/IO low
OSCIN high to M/IO high
OSCIN low to M/IO high Z
OSCIN low to address valid
OSCIN high to address invalid
OSCIN low to data valid
OSCIN high to data invalid (high Z)
OSCIN high to R/WR high
Figure 34. I/O Write Cycle
12 MHz
MIN MAX
0
42
0
39
0
54
0
37
0
50
--
50
0
51
--
50
0
51
0
73
--
50
0
57
--
55
0
64
--
80
0
72
16 MHz
MIN MAX
0
33
0
33
0
45
0
35
0
38
--
38
0
42
--
38
0
42
0
55
--
38
0
45
--
41
0
48
--
60
0
54
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
50