Datasheet

Section 25 Electrical Characteristics
Rev. 4.00 Jun 06, 2006 page 746 of 1004
REJ09B0301-0400
(2) Control Signal Timing
Table 25.20 shows the control signal timing. The only external interrupts that can operate on the
subclock (φ = 32.768 kHz) are NMI and IRQ0, IRQ1, IRQ2, IRQ6, and IRQ7.
Table 25.20 Control Signal Timing
Condition A: V
CC
= 5.0 V ±10%, V
SS
= 0 V, φ = 32.768 kHz, 2 MHz to maximum operating
frequency, T
a
= –20 to +75°C (regular specifications),
T
a
= –40 to +85°C (wide-range specifications)
Condition B: V
CC
= 4.0 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 (regular specifications),
T
a
= –40 to +85°C (wide-range specifications)
Condition C: V
CC
= 2.7 V to 3.6 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 Condition C
20 MHz 16 MHz 10 MHz
Item Symbol Min Max Min Max Min Max Unit
Test
Conditions
RES setup time t
RESS
200 — 200 — 300 — ns Figure 25.8
RES pulse width t
RESW
20 — 20 — 20 — t
cyc
NMI setup time
(NMI)
t
NMIS
150 — 150 — 250 — ns Figure 25.9
NMI hold time
(NMI)
t
NMIH
10 — 10 — 10 —
NMI pulse width
(exiting software
standby mode)
t
NMIW
200 — 200 — 200 — ns
IRQ setup time
(IRQ7 to IRQ0)
t
IRQS
150 — 150 — 250 — ns
IRQ hold time
(IRQ7 to IRQ0)
t
IRQH
10 — 10 — 10 — ns
IRQ pulse width
(IRQ7, IRQ6,
IRQ2 to IRQ0)
(exiting software
standby mode)
t
IRQW
200 — 200 — 200 — ns