I'm having a problem with the timers on the 18F4550. I wrote the below code to test the timer, but im getting unexpected results:
At 128uS per tick of the timer, i'd expect a result of about 8, however I get 95.Code:Define OSC 48 DEFINE LCD_DREG PORTD DEFINE LCD_DBIT 4 DEFINE LCD_RSREG PORTC DEFINE LCD_RSBIT 1 DEFINE LCD_EREG PORTC DEFINE LCD_EBIT 2 DEFINE LCD_BITS 4 DEFINE LCD_LINES 2 DEFINE LCD_COMMANDUS 2000 DEFINE LCD_DATAUS 50 temp var byte ' Timer 0: 8-Bit, 1:256 prescaler, 128uS/tick T0CON=%11010111 TMR0L=0 pauseus 2048 temp=TMR0L lcdout $FE,1,$FE,2,#temp loop: goto loop
I have a 4Mhz crystal, and heres my config:
Code:__CONFIG _CONFIG1L, _PLLDIV_1_1L & _CPUDIV_OSC1_PLL2_1L & _USBDIV_2_1L __CONFIG _CONFIG1H, _FOSC_HSPLL_HS_1H __CONFIG _CONFIG2H, _WDT_ON_2H & _WDTPS_512_2H __CONFIG _CONFIG3H, _PBADEN_OFF_3H __CONFIG _CONFIG4L, _LVP_OFF_4L & _ICPRT_OFF_4L & _XINST_OFF_4L





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