1
4
2
3
CLKOUT
5
NOTE: Timing shown with respect to 20% and 70% V
.
DD
68300 CLKOUT TIM
NOTE: Timing shown with respect to 20% and 70% V
.
DD
Figure A-1 CLKOUT Output Timing Diagram
1B
A
4B
2B
3B
EXTAL
5B
68300 EXT CLK INPUT TIM
NOTE: Timing shown with respect to 20% and 70% V . Pulse width shown with respect to 50% V
.
DD
DD
Figure A-2 External Clock Input Timing Diagram
1A
4A
2A
3A
ECLK
5A
68300 ECLK OUTPUT TIM
NOTE: Timing shown with respect to 20% and 70% V
.
DD
Figure A-3 ECLK Output Timing Diagram
MOTOROLA
A-12
ELECTRICAL CHARACTERISTICS
MC68331
USER’S MANUAL
MOTOROLA [ MOTOROLA ]
