HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 787

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

778
Note: * When clock is input from EXTAL pin
EXTAL*
(input)
CKIO
(output)
CKIO
(input)
1/2 V
Figure 21.1 EXTAL Clock Input Timing
Figure 21.3 CKIO Clock Output Timing
Figure 21.2 CKIO Clock Input Timing
1/2 V
1/2V
CC
CC
CC
V
V
V
IH
IH
IH
t
CKIH
t
t
CKOH
EXH
V
IH
tCKI
t
EXcyc
t
cyc
cyc
V
V
V
IH
V
t
OH
CKIF
V
IL
OL
t
IL
CKOF
t
EXF
t
CKIL
t
CKOL
t
EXL
V
V
V
V
V
IL
OL
IH
OH
IL
1/2 V
1/2V
1/2 V
V
t
t
EXR
t
CKOR
CKIR
IH
CC
CC
CC