HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 386

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 13.7 Control Signal Timing
V
Item
System clock
oscillation frequency
OSC clock (ø
cycle time
System clock (ø)
cycle time
Subclock oscillation
frequency
Watch clock (ø
cycle time
Subclock (ø
cycle time
Instruction cycle
time
Oscillation
stabilization time
(crystal oscillator)
Oscillation
stabilization time
(ceramic oscillator)
Oscillation stabilization
time
External clock high
width
External clock low
width
External clock rise
time
External clock fall
time
Pin RES low width
Notes: 1. A frequency between 1 MHz to 10 MHz is required when an external clock is input.
382
CC
= 4.0 V to 5.5 V, V
2. Selected with SA1 and SA0 of system clock control register 2 (SYSCR2).
SUB
OSC
)
W
)
)
Symbol
f
t
t
f
t
t
t
t
t
t
t
t
t
t
OSC
OSC
cyc
W
W
subcyc
rc
rc
rc
CPH
CPL
CPr
CPf
REL
SS
= 0.0 V, T
Applicable
Pins
OSC
OSC
X
X
OSC
OSC
X
OSC
OSC
RES
1
1
1
, X
, X
, X
1
1
1
1
1
1
2
2
2
, OSC
, OSC
, OSC
, OSC
a
= –20 C to +75 C, unless otherwise specified.
2
2
2
2
Min Typ
2
2
100 —
200 —
2
—
—
—
2
2
—
—
—
—
—
40
80
40
80
—
—
—
—
10
—
—
—
—
32.768 —
30.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Values
Max
10
5
1000 ns
1000
128
25.6
—
8
—
40
60
20
40
2
—
—
—
—
15
20
15
20
—
Unit
MHz
t
kHz
t
t
t
ms
ms
s
ns
ns
ns
ns
t
OSC
W
cyc
subcyc
cyc
s
s
Test Condition
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V Figure 13.1
= 2.5 V to 5.5 V *1
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V *2
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V
= 2.5 V to 5.5 V Figure 13.2
Reference
Figure
*1
Figure 13.1