UPD78F0138 NEC, UPD78F0138 Datasheet - Page 170

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

170
CR01n capture value
CR00n capture value
TM0n count value
Note Clear OVF0n by software.
Remark n = 0:
TI00n pin input
TI01n pin input
Count clock
INTTM01n
INTTM00n
Figure 6-26. Timing of Pulse Width Measurement Operation with Free-Running Counter
OVF0n
n = 0, 1:
µ
µ
0000H
PD780131, 780132
PD780133, 780134, 78F0134, 780136, 780138, 78F0138
t
(with Both Edges Specified)
0001H
CHAPTER 6 16-BIT TIMER/EVENT COUNTERS 00 AND 01
D0
(D1
D0
User’s Manual U16228EJ2V0UD
D0 + 1
D0)
t
D1
D1
D1
(10000H
D1 + 1
(10000H
D1 + (D2 + 1))
FFFFH
D1 + D2)
0000H
t
t
D2
D2
D2 + 1 D2 + 2
(D3
D2 + 1
D2)
Note
t
D3