r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 1125

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Table 23.3 External Clock Input Conditions
Item
External clock input
low pulse width
External clock input
high pulse width
External clock rise time
External clock fall time
Clock low pulse width
Clock high pulse width
EXTAL
t
EXr
Figure 23.5 External Clock Input Timing
Symbol
t
t
t
t
t
t
EXL
EXH
EXr
EXf
CL
CH
t
EXH
20
20
—
—
0.4
0.4
V
Min
CC
= 3.0 V to 3.6 V
Max
—
—
5
5
0.6
0.6
t
EXf
Rev. 1.00 Sep. 19, 2008 Page 1097 of 1270
t
EXL
Section 23 Clock Pulse Generator
Unit
ns
ns
ns
ns
t
t
cyc
cyc
V
CC
Test Conditions
Figure 23.5
× 0.5
REJ09B0466-0100