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CHAPTER 8 16-BIT TIMER/EVENT COUNTER
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/2
2
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2f
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INTTM3
16-Bit Timer Register (TM0)
16-Bit Capture/Compare
Register 01 (CR01)
OVF0
INTP0
Internal Bus
TI00/P00/INTP00
Count Clock
TM0 Count Value
TI00 Pin Input
CR01 Captured Value
INTP0
OVF0
0000 0001 D0 D1 FFFF 0000 D2 D3
D0 D1 D2 D3
(D1 – D0) × t (10000H – D1 + D2) × t (D3 – D2) × t
t
Figure 8-18. Configuration Diagram for Pulse Width Measurement by Free-Running Counter
Figure 8-19. Timing of Pulse Width Measurement Operation by Free-Running Counter
and One Capture Register (with Both Edges Specified)