Datasheet

Section 27 Electrical Characteristics
Rev. 3.00 Mar 21, 2006 page 746 of 788
REJ09B0300-0300
Control Signal Timing: Table 27.21 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 27.21 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 (normal specification
product), T
a
= –40 to +85°C (wide range temperature specification product)
Condition B: V
CC
= 4.0 V to 5.5 V, V
CC
B = 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 (normal specification
product), T
a
= –40 to +85°C (wide range temperature specification product)
Condition C: V
CC
= 2.7 V to 3.6 V, V
CC
B = 2.7 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 Condition C
10 MHz 16 MHz 20 MHz
Item Symbol Min Max Min Max Min Max Unit
Test
Conditions
RES setup time t
RESS
300 — 200 — 200 — ns
RES pulse width t
RESW
20 — 20 — 20 — t
cyc
Figure 27.9
NMI setup time (NMI) t
NMIS
250 — 150 — 150 — ns
NMI hold time (NMI) t
NMIH
10 — 10 — 10 — ns
NMI pulse width (NMI)
(exiting software
standby mode)
t
NMIW
200 — 200 — 200 — ns
IRQ setup time
(IRQ7 to IRQ0)
t
IRQS
250 — 150 — 150 — 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
Figure
27.10