Datasheet

Section 26 Electrical Characteristics
Rev. 4.00 Sep 27, 2006 page 849 of 1130
REJ09B0327-0400
(2) Control Signal Timing
Table 26.35 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 26.35 Control Signal Timing
Condition A: V
CC
= 5.0 V ±10%, V
CC
B = 5.0 V ±10%, V
SS
= 0 V, φ = 32.768 kHz, 2 MHz to
maximum operating frequency, T
a
= –20 to +75°C
Condition B: V
CC
= 3.0 V to 5.5 V, V
CC
B = 3.0 V to 5.5 V, V
SS
= 0 V, φ = 32.768 kHz, 2 MHz to
maximum operating frequency, T
a
= –20 to +75°C
Condition A Condition B
20 MHz 10 MHz
Item Symbol Min Max Min Max Unit
Test
Conditions
RES setup time t
RESS
200 — 300 — ns Figure 26.8
RES pulse width t
RESW
20 — 20 — t
cyc
NMI setup time
(NMI)
t
NMIS
150 — 250 — ns Figure 26.9
NMI hold time
(NMI)
t
NMIH
10 — 10 — ns
NMI pulse width
(exiting software
standby mode)
t
NMIW
200 — 200 — ns
IRQ setup time
(IRQ7 to IRQ0)
t
IRQS
150 — 250 — ns
IRQ hold time
(IRQ7 to IRQ0)
t
IRQH
10 — 10 — ns
IRQ pulse width
(IRQ7, IRQ6,
IRQ2 to IRQ0)
(exiting software
standby mode)
t
IRQW
200 — 200 — ns