NEC uPD78052(A) User Manual
198
CHAPTER 8 16-BIT TIMER/EVENT COUNTER
Selector
f
XX
/2
2
f
XX
/2
f
XX
2f
XX
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)