NEC 78K0S/KA1+ Preliminary User's Manual page 95

CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
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Figure 6-15. External Event Counter Configuration Diagram
Internal bus
16-bit timer capture/compare
register 000 (CR000)
Match
INTTM000
Clear
Note
f
Noise eliminator 16-bit timer counter 00 (TM00)
OVF00
XP
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Note OVF00 is 1 only when 16-bit timer capture/compare register 000 is set to FFFFH.
Figure 6-16. External Event Counter Operation Timing (with Rising Edge Specified)
TI000 pin input
TM00 count value 0000H 0001H 0002H 0003H 0004H 0005H N–1 N 0000H 0001H 0002H 0003H
CR000 N
INTTM000
Caution When reading the external event counter count value, TM00 should be read.
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Preliminary User's Manual U16898EJ1V0UD