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Section 25 Electrical Characteristics
Rev. 4.00 Sep. 14, 2005 Page 917 of 982
REJ09B0023-0400
t
EXH
t
EXF
t
EXR
t
EXL
t
EXcyc
V
IH
V
IH
V
IH
1/2 V
CC
1/2 V
CC
V
IL
V
IL
EXTAL*
(input)
Note:
*
When the clock is input on the EXTAL pin.
Figure 25.2 EXTAL Clock Input Timing
t
CKIH
t
CKIF
t
CKIR
t
CKIL
t
CKIcyc
V
IH
V
IH
V
IH
1/2 V
CC
Q
1/2 V
CC
Q
V
IL
V
IL
CKIO
(input)
Figure 25.3 CKIO Clock Input Timing
t
cyc
t
CKOL
t
CKOH
V
IH
1/2V
CC
CKIO, CKIO2
(output)
1/2V
CC
t
CKOR
t
CKOF
V
OH
V
OL
V
OL
V
OH
Figure 25.4 CKIO and CKIO2 Clock Input Timing