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CHAPTER 8 8/16-BIT CAPTURE TIMER/COUNTER
Figure 8.6-3 Interval Timer Function Operation in 8-bit Mode (Timer 0)
*2:
Counter value Comparison
value
(E0H)Comparison value (FFH)
FFH
E0H
80H
00H
TDR0 value
TDR0
value
(E0H)
(E0HFFH(*1)
Time
Clear by program
TIF0 bit
Counter clear(*2)
Start Match Match Match
TSTR0 bit
TO pin
*1: If the data register is rewritten when the counter is in operation, the interval timer
function becomes valid from the next cycle.
When timer 0 is started or when a match is detected, the counter is cleared and the
values in the data register are loaded to the comparator data latch.
)