COP8SA-DM National Semiconductor, COP8SA-DM Datasheet - Page 204
COP8SA-DM
Manufacturer Part Number
COP8SA-DM
Description
MODULE DEBUGGING FOR COP8SA
Manufacturer
National Semiconductor
Datasheet
1.DM-COP820D.pdf
(254 pages)
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
- Current page: 204 of 254
- Download datasheet (2Mb)
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%
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