Ac Characteristics - Renesas H8/38024 Hardware Manual

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 = 1.8 V to 5.5 V, AV
CC
specifications), T = –40°C to +85°C (wide-range specifications), T
a
subactive mode) unless otherwise indicated.
Item Symbol
System clock f
OSC
oscillation
frequency
OSC clock (φ ) t
OSC OSC
cycle time
System clock (φ) t
cyc
cycle time
Subclock oscillation f
W
frequency
Watch clock (φ ) t
W W
cycle time
Subclock (φ ) t
SUB subcyc
cycle time
Instruction cycle
time
Oscillation t
rc
stabilization time
Rev. 6.00, 08/04, page 450 of 628
= 1.8 V to 5.5 V, V
CC
Applicable
Pins Min
OSC , OSC 2.0
1 2
2.0
2.0
OSC , OSC 62.5
1 2
100
250
2
—
X , X —
1 2
X , X —
1 2
2
2
OSC , OSC —
1 2
—
X , X —
1 2
—
= AV = 0.0 V, T
SS SS a
a
Values
Typ Max Unit
— 16.0 MHz
— 10.0
— 4.0
— 500 ns
(1000)
— 500
(1000)
— 500
(1000)
— 128 t
OSC
— 128 µs
32.768 — kHz
or 38.4
30.5 or — µs
26.0
— 8 t
W
— — t
cyc
t
subcyc
20 45 µs
— 50 ms
— 2.0 s
— 10.0
= –20°C to +75°C (regular
= +75°C (Die) (including
Reference
Figure
Test Condition
V = 4.5 V to 5.5 V
CC
V = 2.7 V to 5.5 V
CC
Except the above
V = 4.5 V to 5.5 V Figure 16.1
CC
* 2
V = 2.7 V to 5.5 V
CC
Except the above
Figure 16.1
1
*
Figure 16.8 Figure 16.8
V = 2.2 V to 5.5 V
CC
Except the above
= 2.7 V to 5.5 V * 3
V
CC
V = 2.2 V to 5.5 V
CC