UPD78F0138 NEC, UPD78F0138 Datasheet - Page 162
UPD78F0138
Manufacturer Part Number
UPD78F0138
Description
(UPD78xxxx) 8-Bit Single-Chip Microcontrollers
Manufacturer
NEC
Datasheet
1.UPD78F0138.pdf
(558 pages)
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162
(TI001/P05)
Notes 1.
Remark Interval time = (N + 1) × t
f
f
X
X
TM0n count value
/2
/2
2
8
TI000/P00
(f
(f
f
X
X
X
Count clock
/2
/2
(f
INTTM00n
2.
X
4
6
)
)
)
Note 1
Note 1
Note 1
Note 1
N = 0001H to FFFFH
n = 0:
n = 0, 1:
CR00n
Frequencies and pin names without parentheses are for 16-bit timer/event counter 00, and those in
parentheses are for 16-bit timer/event counter 01.
OVF0n is set to 1 only when 16-bit timer capture/compare register 00n is set to FFFFH.
Timer operation enabled
Noise
eliminator
0000H
µ
µ
PD780131, 780132
PD780133, 780134, 78F0134, 780136, 780138, 78F0138
f
X
CHAPTER 6 16-BIT TIMER/EVENT COUNTERS 00 AND 01
N
0001H
Figure 6-16. Interval Timer Configuration Diagram
t
Figure 6-17. Timing of Interval Timer Operation
User’s Manual U16228EJ2V0UD
N
Clear
16-bit timer capture/compare
register 00n (CR00n)
0000H 0001H
Interrupt acknowledged
N
16-bit timer counter 0n
(TM0n)
N
Clear
N
0000H 0001H
Interrupt acknowledged
OVF0n
Note 2
Clear
circuit
INTTM00n
N
N
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