CHAPTER 7 8-BIT TIMERS 50, 60, AND 61
User’s Manual U15331EJ4V1UD
151
Figure 7-22. Timing of Carrier Generator Operation (When CR60 = N, CRH60 = M (M > N))
TM60
count clock
TM60
count value
CR60
TCE60
INTTM60
M
00HN00H 01H
N
CRH60 M
N00H
Carrier clock
N00H 00H N M
00H 01H L
L
00H 01H L00H 01H L00H L 00H 01H
TM50
count value
CR50
TCE50
INTTM50
TM50
count clock
01010
0101
0
NRZB60
NRZ60
TO60
Carrier clock
Clear Clear Clear Clear
Count start
Remark 00H ≤ N < M ≤ FFH, L = 00H to FFH