NEC PD78058FY(A) - Manual (Page 194)

194
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)