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Q: pulse width modulation ( No Answer,   0 Comments )
Question  
Subject: pulse width modulation
Category: Computers > Programming
Asked by: strolin-ga
List Price: $10.00
Posted: 19 Mar 2004 17:22 PST
Expires: 31 Mar 2004 06:38 PST
Question ID: 318496
microprocessor(motorola hc12)
I am having problems with coding a servo to move in a continuous
sweep(back and forth . I am using hitec(servo) hs-322hd. The specs.
are ,pulse duration is from 0.9ms to 2.1ms with 1.5ms as the center.
The pulse refreshes at 50 hz(20ms)it turns in the clockwise direction.
I can only use the pwm modules to accomplish this
i.e
any of the four channels(0,1,2,3)
pwclk equ $0040
pwpol equ $0041
pwen  equ $0042
pwcnt2 equ $004A
pwper2 equ $004E
pwdty2 equ $0052
org $0800
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