
CHAPTER 7 8-BIT TIMER
162
User’s Manual U15075EJ1V0UM00
Figure 7-20. Timing of Carrier Generator Operation
(When CR60 = N, CRH60 = M (M
<
N), Phases of Carrier Clock and NRZ60 Are Asynchronous)
Count clock
TM60
count value
CR60
TCE60
INTTM60
N
00H
N
CRH60
M
Carrier clock
N
00H
00H
01H
L
00H
01H
L
00H
01H
L
00H
L
00H
01H
TM50
CR50
TCE50
INTTM50
Count pulse
0
1
0
1
0
0
1
0
1
0
NRZB60
NRZ60
TO60 or TO61
Carrier clock
M
00H
M
M
00H
M
00H
Clear
Clear
Clear
Clear
Count start