COP8SA-DM National Semiconductor, COP8SA-DM Datasheet - Page 204

• Manufacturer Part Number: COP8SA-DM
• Description: MODULE DEBUGGING FOR COP8SA
• Manufacturer: National Semiconductor

Specifications of COP8SA-DM

• Module/board Type: Debugger Module
• For Use With/related Products: Cop 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *COP8SA-DM

4.4.3
The third example is a dimmer application or AC motor control application.
4-12
UPDATE:
UPDLUP:
COP8SAx7 APPLICATION IDEAS
UPDATE SUBROUTINE:
AC Motor TRIAC Control
Period
PWM Out
Timer
Duty
Cycle
LD
LD
LD
X
IFBNE
JP
LD
RET
TOTAL INTERRUPT TIME
TOTAL BYTES = 16 +3 +
PWM
Out
B,#T1RALO
X,#UPTMLO
A,[X+]
A,[B+]
#6
UPDLUP
[B],#0B0
INTIT/CHANGE/INTR
70%
Figure 4-6 PWM Motor Control
P
E
60%
Bytes/Cycles
= 15/63
+15 = 34 +
P
1/3-1
11/46
11/46
_____
4/17
2/2
2/3
1/3
1/2
1/1
2/2
1/5
50%
P
12V
40%
P
E
30%
P
20%