Ac Characteristics - Renesas H8/38024 Hardware Manual

16.6.3

AC Characteristics

Table 16.16 lists the control signal timing, and tables 16.10 lists the serial interface timing of the
H8/38024S.
Table 16.16 Control Signal Timing
V = 1.8 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
= 1.8 V to 3.6 V, V
CC
Applicable
Pins
Min
OSC , OSC 2.0
1 2
2.0
OSC , OSC 100
1 2
250
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
— 4.0 MHz
— 500 ns
(1000)
— 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
20 45 µs
80 — µs
0.8 2 ms
1.2 3 ms
— 50 ms
— 2 s
4 — s
Rev. 6.00, 08/04, page 481 of 628
Reference
Figure
Test Condition
V = 2.7 V to 3.6 V
CC
V = 1.8 V to 3.6 V
CC
V = 2.7 V to 3.6 V Figure 16.1
CC
2
*
V = 1.8 V to 3.6 V
CC
Figure 16.1
1
*
Ceramic oscillator Figure 16.9
V = 2.2 V to 3.6 V
CC
Ceramic oscillator
Except the above
Crystal oscillator
V = 2.7 V to 3.6 V
CC
Crystal oscillator
V = 2.2 V to 3.6 V
CC
Except the above
V = 2.2 V to 3.6 V
CC
Except the above