Datasheet

Section 15 Electrical Characteristics
Rev. 6.00 Aug 04, 2006 page 472 of 680
REJ09B0145-0600
15.2.3 AC Characteristics
Table 15.3 lists the control signal timing, and tables 15.4 and 15.5 list the serial interface timing.
Table 15.3 Control Signal Timing
V
CC
= 1.8 V to 5.5 V, AV
CC
= 1.8 V to 5.5 V, V
SS
= AV
SS
= 0.0 V, Ta = –20°C to +75°C
*
4
(including subactive mode) unless otherwise indicated.
Applicable
Values
Reference
Item Symbol Pins Min Typ Max Unit Test Condition Figure
f
OSC
OSC
1
, OSC
2
2—16MHzV
CC
= 4.5 V to 5.5 V
*
2
2—10 V
CC
= 2.7 V to 5.5 V
System clock
oscillation
frequency
2—4 V
CC
= 1.8 V to 5.5 V
OSC clock (φ
OSC
)
cycle time
t
OSC
OSC
1
, OSC
2
62.5 — 500
(1000)
ns V
CC
= 4.5 V to 5.5 V Figure 15.1
*
2
*
3
100 — 500
(1000)
V
CC
= 2.7 V to 5.5 V Figure 15.1
*
3
250 — 500
(1000)
V
CC
= 1.8 V to 5.5 V
t
cyc
2 — 128 t
OSC
System clock (φ)
cycle time
— — 244.1 µs
Subclock oscilla-
tion frequency
f
W
X
1
, X
2
— 32.768
or
38.4
—kHz
Watch clock (φ
W
)
cycle time
t
W
X
1
, X
2
— 30.5
or
26.0
— µs Figure 15.1
Subclock (φ
SUB
)
cycle time
t
subcyc
2—8t
W
*
1
Instruction cycle
time
2 ——t
cyc
t
subcyc
Oscillation
stabilization time
t
rc
OSC
1
, OSC
2
— 20 45 µs Figure 15.10
V
CC
= 2.2 V to 5.5 V
Figure 15.10
*
2
— 0.1 8 ms Figure 15.10
V
CC
= 2.2 V to 5.5 V
Figure 15.10
— — 50 ms Except the above
X
1
, X
2
——2.0s