NEC PD78F9488 - Manual (Page 153)

CHAPTER 7 8-BIT TIMERS 50, 60, AND 61
User’s Manual U15331EJ4V1UD
153
Figure 7-24. Timing of Carrier Generator Operation (When CR60 = CRH60 = N)
TM60
count clock
TM60
count value
CR60
TCE60
INTTM60
N 00H 00H 00H
N
CRH60 N
N
Carrier clock
00H 00H N N
00H 01H L 00H 01H L 00H 01H L 00H L 00H 01H
TM50
count value
CR50
TCE50
INTTM50
TM50
count clock
0 1 0 1 0
0 1 0 1 0
NRZB60
NRZ60
TO60
Carrier clock
N N 00H
Clear Clear Clear Clear Clear
Count start
L
Remark N = 00H to FFH, L = 00H to FFH