Datasheet

Table Of Contents
Section 26 Electrical Characteristics
Rev. 2.00 Jul. 04, 2007 Page 563 of 692
REJ09B0309-0200
Values
Item Symbol
Applicable
Pins
Test Condition Min. Typ. Max. Unit
Reference
Figure
Subclock
oscillation
frequency
f
W
X1, X2 32.768
or 38.4
— kHz
Watch clock (φ
W
)
cycle time
t
W
X1, X2 30.5 or
26.0
— µs Figure
26.14
Subclock (φ
SUB
)
cycle time
t
subcyc
2 8 t
W
*
1
Instruction cycle
time
2 t
cyc
t
subcyc
Ceramic resonator
(Vcc = 2.2 to 3.6 V)
— 20 45
Ceramic resonator
(other than above)
— 80
µs
Crystal resonator
(V
CC
= 2.7 to 3.6 V)
— 0.8 2.0
Crystal resonator
(V
CC
= 2.2 to 3.6 V)
— 1.2 3.0
ms
Figure
26.23
OSC1, OSC2
Other than above 50 ms
On-chip
oscillator for
system clock
At switching on 25 µs *
3
V
CC
= 2.2 to 3.6 V 2
Oscillation
stabilization time
t
rc
X1, X2
Other than above 4
s Figure 5.5
V
CC
= 2.7 to 3.6 V
(10-MHz version)
40 — OSC1
V
CC
= 1.8 to 3.6 V
(4-MHz version)
95 —
ns
External clock
high width
t
CPH
X1 15.26
or
13.02
— µs
Figure
26.14