CHAPTER 6 16-BIT TIMER/EVENT COUNTERS 00 AND 01
User’s Manual U16899EJ2V0UD
169
Figure 6-32. Configuration Diagram of External Event Counter
f
X
Internal bus
16-bit timer capture/compare
register 00n (CR00n)
Match
Clear
OVF0n
Note
Noise eliminator
16-bit timer counter 0n (TM0n)
Valid edge of TI00n pin
INTTM00n
Note OVF0n is set to 1 only when CR00n is set to FFFFH.
Figure 6-33. External Event Counter Operation Timing (with Rising Edge Specified)
TI00n pin input
TM0n count value
CR00n
INTTM00n
0000H 0001H 0002H 0003H 0004H 0005H
N – 1
N
0000H 0001H 0002H 0003H
N
Caution When reading the external event counter count value, TM0n should be read.
Remark n = 0:
µ
PD78F0132H
n = 0, 1:
µ
PD78F0133H, 78F0134H, 78F0136H, 78F0138H, 78F0138HD