Hitachi H8/500 Series - Control Signal Timing

Table 20-5 Control Signal Timing
Conditions: VCC = 5.0V ±10%, AVCC = 5.0V ±10%, ø = 0.5 to 10MHz, VSS = 0V
Ta = –20 to +75˚C (Regular Specifications)
Ta = –40 to +85˚C (Wide-Range Specifications)
6MHz 8MHz 10MHz Measurement
Item Symbol Min Max Min Max Min Max Unit Conditions
RES setup time t
RESS 200 – 200 – 200 – ns See figure 20-7
RES pulse width t
RESW 6.0 – 6.0 – 6.0 – tcyc
Mode programming tMDS 4.0 – 4.0 – 4.0 – tcyc
setup time
NMI setup time t
NMIS 150 – 150 – 150 – ns See figure 20-8
NMI hold time t
NMIH 10 – 10 – 10 – ns
IRQ
0 setup time tIRQ0S 50 – 50 – 50 – ns
IRQ
1 setup time tIRQ1S 50 – 50 – 50 – ns
IRQ
1 hold time tIRQ1H 10 – 10 – 10 – ns
NMI pulse width t
NMIW 200 – 200 – 200 – ns See figure 20-9
(for recovery from
software standby mode)
Crystal oscillator settling t
OSC1 20 – 20 – 20 – ms See figure 20-12
time (reset)
Crystal oscillator settling time t
OSC2 10 – 10 – 10 – ms See figure 18-1
(software standby)
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