h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 803

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

23.4.1
Table 23.4 lists the clock timing
Table 23.4 Clock Timing
Condition : 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)
Sub clock oscillator settling time
Sub clock oscillator frequency
Sub clock (φ
Clock Timing
SUB
V
(regular specifications), T
) cycle time
CC
ref
= 4.5 V to AV
= PWMV
CC
= 4.5 V to 5.5 V, LPV
CC
, V
SS
= PWMV
a
Symbol
t
t
t
t
t
t
t
t
f
f
cyc
CH
CL
Cr
Cf
OSC1
OSC2
OSC3
SUB
SUB
= –40°C to +85°C (wide-range specifications)
SS
= PLLV
Min
50
25
25
—
—
20
8
—
32.768
30.5
CC
= 4.5 V to 5.5 V, AV
Condition
Rev. 5.00 Sep 22, 2005 page 777 of 1136
SS
= AV
Max
250
—
—
10
10
—
—
2
Section 23 Electrical Characteristics
SS
= 0 V, T
Unit
ns
ns
ns
ns
ns
ms
ms
s
kHz
µs
CC
a
= –20°C to +75°C
= 4.5 V to 5.5 V,
Test Conditions
Figure 23.3
Figure 23.4
Figure 22.3
Figure 23.4
REJ09B0257-0500