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Rev. 1.00, 05/04, page 522 of 544
22.3.2 Control Signal Timing
Table 22.6 shows the control signal timing. The only external interrupts that can operate on the
subclock (φ = 32.768 kHz) are NMI and IRQ0, 1, 2, 6, and 7.
Table 22.6 Control Signal Timing
Conditions: V
CC
= 3.0 V to 3.6 V, V
CC
B = 3.0 V to 5.5 V, V
SS
= 0 V, φ = 32.768 kHz, 4 MHz to
maximum operating frequency, T
a
= –20 to +75°C
Condition
10 MHz
Item Symbol Min. Max. Unit
Test
Conditions
RES setup time t
RESS
300 — ns
RES pulse width t
RESW
20 — t
cyc
Figure 22.8
NMI setup time (NMI) t
NMIS
250 — ns
NMI hold time (NMI) t
NMIH
10 — ns
NMI pulse width
(exiting software standby mode)
t
NMIW
200 — ns
IRQ setup time (IRQ7 to IRQ0) t
IRQS
250 — ns
IRQ hold time(IRQ7 to IRQ0) t
IRQH
10 — ns
IRQ pulse width
(IRQ7, IRQ6, IRQ2 to IRQ0)
(exiting software standby mode)
t
IRQW
200 — ns
Figure 22.9