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226 Rabbit 3000 Microprocessor
Figure 16-7. Clock Doubler and Memory Timing
Oscillator
Oscillator delayed
and inverted
Doubled clock
Delay
time
48% 52%
P
0.48P 0.52P 0.48P 0.52P
Data out
Example
Write
Cycle
write pulse
early write pulse
option
Example
Read
Cycle
address, /CS
address, /CS
output enb
early output enb
option
Valid data out from mem