Renesas H8/38024 Series, Hardware Manual

Page: 480 / 661

Rev. 6.00, 08/04, page 450 of 628
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 16.1
* 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 16.1
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 16.8
V
CC
= 2.2 V to 5.5 V
Figure 16.8
— — 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