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TIMER 1 S3F80JB
11-4
MUX
16-Bit Up-Counter
(Read-Only)
16-Bit Compatator
Timer 1 High/Low
Buffer Register
MUX
IRQ1
Clear
IRQ1
Match
(note)
NOTE:
Match signal is occurrd only in interval mode.
T1CON. 7-.6
T1CON.2
T1CON.3
Match Signal
T1OVF
Data Bus
Timer 1 Data
High/Low Register
CAOF (T-F/F)
f
OSC
/16
f
OSC
/8
f
OSC
/4
R
OVF
T1CON.3
T1CON.5-.4
T1CON.1
T1CON.0
Figure 11-3. Timer 1 Block Diagram