217
CHAPTER 9 8-BIT TIMER/EVENT COUNTERS
Figure 9-1. 8-Bit Timer/Event Counter Block DiagramNote Refer to Figures 9-2 and 9-3 for details of 8-bit timer/event counters 1 and 2 output control circuits 1 and2, respectively.
8-Bit Compare
Register 10 (CR10)
Match
8-Bit Timer
Register 1 (TM1)
Selector
Clear
Selector
Selector
f
XX
/2-f
XX
/2
9
f
XX
/2
11
TI1/P33
f
XX
/2-f
XX
/2
9
f
XX
/2
11
TI2/P34
4
TCL
17 TCL
16 TCL
15 TCL
14 TCL
13 TCL
12 TCL
11 TCL
10
Timer Clock
Select Register 1 8-Bit Timer Mode
Control Register
TMC12 TCE2 TCE1
Internal Bus
LVS2LVR2 TOC
15 TOE2LVS1 LVR1 TOC
11 TOE1
4
8-Bit Timer
Register 2 (TM2)
8-Bit Timer/
Event Counter
Output Control
Circuit 1
8-Bit Timer Output
Control Register
8-Bit Timer/
Event Counter
Output Control
Circuit 2
Clear
Match
8-Bit Compare
Register 20 (CR20)
Selector
Note
Note
INTTM1
TO2/P32
INTTM2
TO1/P31
4
4
Selector
Internal Bus