Datasheet

Section 16 Electrical Characteristics
Rev. 8.00 Mar. 09, 2010 Page 459 of 658
REJ09B0042-0800
16.2.3 AC Characteristics
Table 16.3 lists the control signal timing, and tables 16.4 lists the serial interface timing of the
H8/38024.
Table 16.3 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, T
a
= –20°C to +75°C (regular
specifications), T
a
= –40°C to +85°C (wide-range specifications), T
a
= +75°C (Die) (including
subactive mode) unless otherwise indicated.
Values
Item Symbol
Applicable
Pins Min Typ Max Unit Test Condition
Reference
Figure
f
OSC
OSC
1
, OSC
2
2.0 — 16.0 MHz V
CC
= 4.5 V to 5.5 V
2.0 — 10.0 V
CC
= 2.7 V to 5.5 V
System clock
oscillation
frequency
2.0 — 4.0 Except the above
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 16.2
*
2
100 — 500
(1000)
V
CC
= 2.7 V to 5.5 V
250 — 500
(1000)
Except the above
t
cyc
2 — 128 t
OSC
System clock (φ)
cycle time
— — 128 µs
Subclock oscillation
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 16.2
Subclock (φ
SUB
)
cycle time
t
subcyc
2 — 8 t
W
*
1
Instruction cycle
time
2 — — t
cyc
t
subcyc
Oscillation
stabilization time
t
rc
OSC
1
, OSC
2
— 20 45 µs Figure 16.9
V
CC
= 2.2 V to 5.5 V
Figure 16.9
— — 50 ms Except the above
X
1
, X
2
— — 2.0 s V
CC
= 2.7 V to 5.5 V
*
3
— — 10.0 V
CC
= 2.2 V to 5.5 V