Ac Characteristics - Renesas H8 Series Hardware Manual

Section 16 Electrical Characteristics
16.4.3

AC Characteristics

Table 16.9 lists the control signal timing, and tables 16.10 lists the serial interface timing of the
H8/38024F.
Table 16.9 Control Signal Timing
V = 2.7 V to 3.6 V, AV
CC
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. 7.00 Mar 10, 2005 page 480 of 652
REJ09B0042-0700
= 2.7 V to 3.6 V, V
CC
Applicable
Pins
Min
OSC , OSC 2.0
1 2
OSC , OSC 100
1 2
2
—
X , X —
1 2
X , X —
1 2
2
2
OSC , OSC —
1 2
—
—
—
—
X , X —
1 2
= AV = 0.0 V
SS SS
Values
Typ Max Unit
— 10.0 MHz
— 500 ns
(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
0.8 2.0 ms
2.0 6.0 ms
20 45 µs
20 45 µs
— 50 ms
— 2.0 s
Reference
Figure
Test Condition
Figure 16.1
2
*
Figure 16.1
* 1
Figure 16.9 Figure 16.9
(crystal oscillator)
3
*
Figure 16.8 Figure 16.8
(crystal oscillator)
* 4
Figure 16.9 Figure 16.9
(ceramic oscillator)
* 3
Figure 16.8 Figure 16.8
(ceramic oscillator)
4
*
Except the above