Datasheet

Section 20 Electrical Characteristics
Rev. 6.00 Mar. 24, 2006 Page 337 of 412
REJ09B0142-0600
20.3.3 AC Characteristics
Table 20.11 AC Characteristics
V
CC
= 2.7 V to 5.5 V, V
SS
= 0.0 V, T
a
= –20°C to +75°C, unless otherwise specified.
Applicable Values Reference
Item Symbol Pins Test Condition Min Typ Max Unit Figure
f
OSC
OSC1,
OSC2
V
CC
= 4.0 V to 5.5 V 2.0 — 16.0 MHz *
1
System clock
oscillation
frequency
2.0 10.0
t
cyc
1 — 64 t
OSC
*
2
System clock (φ)
cycle time
— — 12.8 µs
Subclock oscillation
frequency
f
W
X1, X2 — 32.768 — kHz
Watch clock (φ
W
)
cycle time
t
W
X1, X2 — 30.5 — µs
Subclock (φ
SUB
)
cycle time
t
subcyc
2 — 8 t
W
*
2
Instruction cycle
time
2 — — t
cyc
t
subcyc
Oscillation
stabilization time
(crystal resonator)
t
rc
OSC1,
OSC2
— — 10.0 ms
Oscillation
stabilization time
(ceramic resonator)
t
rc
OSC1,
OSC2
— — 5.0 ms
Oscillation
stabilization time
t
rcx
X1, X2 — — 2.0 s
t
CPH
OSC1 V
CC
= 4.0 V to 5.5 V 25.0 — — ns Figure 20.1External clock
high width
40.0 — — ns
t
CPL
OSC1 V
CC
= 4.0 V to 5.5 V 25.0 — — ns External clock
low width
40.0 — — ns
t
CPr
OSC1 V
CC
= 4.0 V to 5.5 V — — 10.0 ns External clock
rise time
— — 15.0 ns
t
CPf
OSC1 V
CC
= 4.0 V to 5.5 V — — 10.0 ns External clock
fall time
— — 15.0 ns