HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 666

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Clock Timing: Table 20.14 lists the clock timing
Table 20.14 Clock Timing
Condition A: V
Condition B: V
Item
Clock cycle time
Clock high pulse width
Clock low pulse width
Clock rise time
Clock fall time
Clock oscillator setting
time at reset (crystal)
Clock oscillator setting time
in software standby (crystal)
External clock output
stabilization delay time
ø = 2 to 10 MHz, T
T
ø = 2 to 20 MHz, T
T
a
a
CC
CC
= –40 to +85 C (wide-range specifications)
= –40 to +85 C (wide-range specifications)
= AV
= AV
CC
CC
= 2.7 to 5.5 V, V
= 5.0 V 10%, V
Symbol
t
t
t
t
t
t
t
t
cyc
CH
CL
Cr
Cf
OSC1
OSC2
DEXT
a
a
= –20 to +75 C (regular specifications),
= –20 to +75 C (regular specifications),
Condition A
Min
100
35
35
—
—
20
8
500
ref
ref
= 2.7 V to AV
= 4.5 V to AV
Max
500
—
—
15
15
—
—
—
Condition B
Min
50
20
20
—
—
10
8
500
CC
CC
, V
, V
Max
500
—
—
5
5
—
—
—
SS
SS
= AV
= AV
Unit
ns
ns
ns
ns
ns
ms
ms
s
SS
SS
= 0 V,
= 0 V,
Test Conditions
Figure 20.7
Figure 20.8
Figure 19.2
Figure 20.8
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