h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1107

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

(1) Clock Timing
Table 24-27 lists the clock timing
Table 24-27 Clock Timing
Conditions: V
Item
Clock cycle time
Clock high pulse width
Clock low pulse width
Clock rise time
Clock fall time
Clock oscillator settling time at reset
(crystal)
Clock oscillator settling time in
software standby (crystal)
(H8S/2639 Group)
Clock oscillator settling time in
software standby (crystal)
(H8S/2635 Group)
External clock output stabilization
delay time
Subclock oscillator frequency
Subclock (
SUB
V
T
specifications)
) cycle time
a
CC
ref
= –20°C to +75°C (regular specifications), T
= 4.5 V to AV
= 4.5 V to 5.5 V, PWMV
CC
, V
SS
Symbol
t
t
t
t
t
t
t
t
f
t
= PWMV
cyc
CH
CL
Cr
Cf
OSC1
OSC2
DEXT
SUB
SUB
CC
= 4.5 V to 5.5 V, AV
SS
Min.
50
15
15
—
—
20
8
12
2
31.25
25.6
= PLLV
Rev. 6.00 Feb 22, 2005 page 1047 of 1484
Condition
20MHz
SS
Max.
250
—
—
10
10
—
—
—
—
39.6
32.0
a
Section 24 Electrical Characteristics
= –40°C to +85°C (wide-range
= AV
CC
SS
= 4.5 V to 5.5 V,
Unit
ns
ns
ns
ns
ms
ms
ms
kHz
ns
= 0 V,
s
Test Conditions
Figure 24-9
Figure 24-10
Figure 23A-3
Figure 23B-3
Figure 24-10
REJ09B0103-0600