h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 617

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

23.3.1
Table 23.4 lists the clock timing
Table 23.4 Clock Timing
Conditions : V
Item
Clock cycle time
Clock high pulse width
Clock low pulse width
Clock rise time
Clock fall time
Oscillation settling time at reset
(crystal)
Oscillation settling time in
software standby (crystal)
External clock output settling
delay time
Clock Timing
T
a
CC
= 4 MHz to 24 MHz, T
= –40°C to +85°C (wide-range specifications)
= 4.5 V to 5.5 V, AV
Figure 23.2 System Clock Timing
Symbol
t
t
t
t
t
t
t
t
cyc
CH
CL
Cr
Cf
OSC1
OSC2
DEXT
a
CC
= –20°C to +75°C (regular specifications),
= 4.5 V to 5.5 V, V
t
CH
Min
41.6
8
8
20
8
2
t
cyc
t
Cf
t
CL
t
Max
250
13
13
Cr
Rev. 3.00 Oct 04, 2005 page 577 of 598
SS
Section 23 Electrical Characteristics
= AV
Unit
ns
ns
ns
ns
ns
ms
ms
ms
SS
= 0 V,
REJ09B0155-0300
Test Conditions
Figure 23.2
Figure 23.3
Figure 21.3
Figure 23.3