Hitachi H8/3048 Hardware Manual page 677

Table 21-6 Control Signal Timing
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Condition A: V
CC
V
SS
specifications), T
Condition B: V
CC
V
SS
specifications), T
Condition C: V
CC
V
SS
specifications), T
Item
RES setup time
RES pulse width
Mode programming
setup time
RESO output delay
time
RESO output pulse
width
NMI setup time
(NMI, IRQ to IRQ )
5 0
NMI hold time
(NMI, IRQ to IRQ )
5 0
Interrupt pulse width
(NMI, IRQ to IRQ
2 0
when exiting software
standby mode)
Clock oscillator settling
time at reset (crystal)
Clock oscillator settling
time in software standby
(crystal)
= 2.7 V to 5.5 V, AV = 2.7 V to 5.5 V, V
CC
= AV = 0 V, ø = 1 MHz to 8 MHz, T
SS
= –40°C to +85°C (wide-range specifications)
a
= 3.15 V to 5.5 V, AV
CC
= AV = 0 V, ø = 1 MHz to 13 MHz, T
SS
= –40°C to +85°C (wide-range specifications)
a
= 5.0 V ± 10%, AV = 5.0 V ± 10%, V
CC
= AV = 0 V, ø = 1 MHz to 18 MHz, T
SS
= –40°C to +85°C (wide-range specifications)
a
Condition A Condition B
8 MHz
Symbol Min Max Min
t 200 — 200
RESS
t 10 — 10
RESW
t 200 — 200
MDS
t — 100 —
RESD
t 132 — 132
RESOW
t 200 — 200
NMIS
t 10 — 10
NMIH
t 200 — 200
NMIW
t 20 — 20
OSC1
t 7 — 7
OSC2
= 2.7 V to AV
REF
= –20°C to +75°C (regular
a
= 3.15 V to 5.5 V, V
REF
= –20°C to +75°C (regular
a
= 4.5 V to AV
REF
= –20°C to +75°C (regular
a
Condition C
13 MHz 16 MHz
Max Min Max Min
— 200 — 200
— 10 — 10
— 200 — 200
100 — 100 —
— 132 — 132
— 150 — 150
— 10 — 10
— 200 — 200
— 20 — 20
— 7 — 7
669
,
CC
= 3.15 V to AV ,
CC
,
CC
18 MHz
Test
Conditions
Max Unit
— ns Figure 21-18
— t
CYC
— ns
100 ns Figure 21-19
— t
CYC
— ns Figure 21-20
—
—
— ms Figure 21-22
— ms Figure 20-1