Hitachi H8/326 Series, Hardware Manual

Page: 268 / 328

Table 14-7. Control Signal Timing
Condition A: V
CC
= 5.0V ±10%, V
SS
= 0V, Ø = 0.5MHz to maximum operating frequency,
Ta = –20 to 75˚C (regular specifications),
Ta = –40 to 85˚C (wide-range specifications)
Condition B: V
CC
= 3.0V ±10%, V
SS
= 0V, Ø = 0.5MHz to maximum operating frequency,
Ta = –20 to 75˚C
Condition B Condition A
5MHz 6MHz 8MHz 10MHz Measurement
Item Symbol Min Max Min Max Min Max Min Max Unit conditions
RES setup time t
RESS
300 – 200 – 200 – 200 – ns Fig. 14-6
RES pulse width t
RESW
10 – 10 – 10 – 10 – tcyc Fig. 14-6
NMI setup time t
NMIS
300 – 150 – 150 – 150 – ns Fig. 14-7
(NMI, IRQ
0
to IRQ
2
)
NMI hold time t
NMIH
10 – 10 – 10 – 10 – ns Fig. 14-7
(NMI, IRQ
0
to IRQ
2
)
Interrupt pulse width t
NMIW
300 – 200 – 200 – 200 – ns Fig. 14-7
for recovery from soft-
ware standby mode
(NMI, IRQ
0
to IRQ
2
)
Crystal oscillator settling t
OSC1
20 – 20 – 20 – 20 – ms Fig. 14-8
time (reset)
Crystal oscillator settling t
OSC2
10 – 10 – 10 – 10 – ms Fig. 14-9
time (software standby)
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