Datasheet

Rev.6.00 Oct.28.2004 page 708 of 1016
REJ09B0138-0600H
t
OSC1
t
OSC1
EXTAL
NMI
V
CC
STBY
RES
ø
t
DEXT
t
DEXT
Figure 22-37 Oscillator Settling Timing
(2) Control Signal Timing
Table 22-15 lists the control signal timing.
Table 22-15 Control Signal Timing
Conditions: V
CC
= 5.0 V ± 10%, AV
CC
= 5.0 V ± 10%, V
ref
= 4.5 V to AV
CC
,
V
SS
= AV
SS
= 0 V, ø = 10 to 20 MHz, T
a
= –20 to +75°C (regular specifications),
T
a
= –40 to +85°C (wide-range specifications)
Condition
Test
Item Symbol Min Max Unit Conditions
RES setup time t
RESS
200 — ns Figure 22-38
RES pulse width t
RESW
20 — t
cyc
NMI setup time t
NMIS
150 — ns Figure 22-39
NMI hold time t
NMIH
10 — ns
NMI pulse width (exiting
software standby mode)
t
NMIW
200 — ns
IRQ setup time t
IRQS
150 — ns
IRQ hold time t
IRQH
10 — ns
IRQ pulse width (exiting
software standby mode)
t
IRQW
200 — ns