HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 377
HD6433640
Manufacturer Part Number
HD6433640
Description
H8/3644 Series Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6433640.pdf
(508 pages)
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13.2.3
Table 13.3 lists the control signal timing, and tables 13.4 and 13.5 list the serial interface timing of
the HD6473644.
Table 13.3 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.
CC
= 4.0 V to 5.5 V, V
2. Selected with SA1 and SA0 of system clock control register 2 (SYSCR2).
AC Characteristics (HD6473644)
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
100 —
2
—
—
—
2
2
—
—
—
—
—
40
40
—
—
10
—
—
—
32.768 —
30.5
—
—
—
—
—
—
—
—
—
—
—
—
Values
Max
10
1000 ns
128
25.6
—
8
—
40
60
20
40
2
—
—
15
15
—
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
= 2.7 V to 5.5 V
= 2.7 V to 5.5 V *1
= 2.7 V to 5.5 V *1
= 2.7 V to 5.5 V
= 2.7 V to 5.5 V
= 2.7 V to 5.5 V *2
= 2.7 V to 5.5 V
= 2.7 V to 5.5 V
= 2.7 V to 5.5 V
= 2.7 V to 5.5 V
= 2.7 V to 5.5 V Figure 13.1
= 2.7 V to 5.5 V
= 2.7 V to 5.5 V
= 2.7 V to 5.5 V
= 2.7 V to 5.5 V Figure 13.2
Reference
Figure
Figure 13.1
373
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