I tried differnent settings, but when i put a scope on it's allways 1ms freq.
snip:
@ DEVICE HS_OSC,MCLR_OFF,LVP_OFF,WDT_OFF,PROTECT_OFF
DEFINE OSC 20
CMCON = 7
VRCON = 0
TRISB = %00000000
PR2 = 130 ' 38KHz
CCPR1L = 63 ' 50%
CCP1CON = %00001100 ' Mode PWM
T2CON = %00000100 ' Timer2 ON + 1:1 prescale
Allsow tried:
@ DEVICE XT_OSC,MCLR_OFF,LVP_OFF,WDT_OFF,PROTECT_OFF
DEFINE OSC 4
CMCON = 7
VRCON = 0
TRISB = %00000000
PR2 = 25 ' 38KHz
CCPR1L = 13 ' 50%
CCP1CON = %00001100 ' Mode PWM
T2CON = %00000100 ' Timer2 ON + 1:1 prescale
Hardware: 22pF on crystal, 1uF between Vss&Vdd = Vdd 5V Ok
But the freq is not changing from 1ms wathever PR2,CCPR1L i tried
Has anyone experied this problem?
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