CHAPTER 6 16-BIT TIMER/EVENT COUNTERS 00 AND 01
User’s Manual U16899EJ2V0UD
155
Figure 6-16. Interval Timer Configuration Diagram
16-bit timer capture/compare
register 00n (CR00n)
16-bit timer counter 0n
(TM0n)
OVF0n
Clear
circuit
INTTM00n
f
X
(f
X
)
Note 1
f
X
/2
2
(f
X
/2
4
)
Note 1
f
X
/2
8
(f
X
/2
6
)
Note 1
TI000/P00
(TI001/P05)
Note 1
Selector
Noise
eliminator
f
X
Note 2
Notes 1. 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.
2. OVF0n is set to 1 only when 16-bit timer capture/compare register 00n is set to FFFFH.
Figure 6-17. Timing of Interval Timer Operation
Count clock
t
TM0n count value
CR00n
INTTM00n
0000H
0001H
N
0000H 0001H
N
0000H 0001H
N
N
N
N
N
Timer operation enabled
Clear
Clear
Interrupt acknowledged
Interrupt acknowledged
Remark Interval time = (N + 1)
×
t
N = 0001H to FFFFH (settable range)
n = 0:
µ
PD78F0132H
n = 0, 1:
µ
PD78F0133H, 78F0134H, 78F0136H, 78F0138H, 78F0138HD