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 Topic  |
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sdow
4 Posts |
 Posted - 12/20/2006 : 21:55:35
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| I bought Top2048, can you explain me how to program my PIc16F877 |
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| Reply #1
sdow
4 Posts |
Posted - 12/22/2006 : 12:36:39
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Hi
Can you help me. I would like to flicker my led. But I am not able to use the software. can you help me.
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| Reply #2
sdow
4 Posts |
Posted - 12/23/2006 : 14:57:26
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hi
can you help me . I have one problem every time,I have a error :Typr error. What is that? |
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| Reply #3
ZLM
2947 Posts |
Posted - 12/24/2006 : 02:51:07
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quote:
Originally posted by sdow
hi
can you help me . I have one problem every time,I have a error :Typr error. What is that?
Possible reasons:
1. incorrect device type selected.
2. chip is placed in a wrong position in ZIF socket.
3. contact issue of your chip's pin. |
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| Reply #4
sdow
4 Posts |
Posted - 12/24/2006 : 16:13:55
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can you help me. I use pic16f628 i would blank my led. can you help what i need to do in confgiration to blink my led .
;************************************************************
; Processor: PIC16F628 at 4 MHz using internal RC oscillator
; Function: Flash a LED connected to RA2
; Hardware: Testboard K4
; Filename: 628LED.asm
; Author: Lars Petersen, oz1bxm@qsl.net
; Website: www.qsl.net/oz1bxm/PIC/pic.htm
; Credit: Tony Nixon's LED flasher
;************************************************************
LIST P=16F628, R=DEC ; Use the PIC16F628 and decimal system
#include "P16F628.INC" ; Include header file
__config _INTRC_OSC_NOCLKOUT & _LVP_OFF & _WDT_OFF & _PWRTE_ON & _BODEN_ON
CBLOCK 0x20 ; Declare variable addresses starting at 0x20
Loop1,Loop2
ENDC
;
; -----------
; INITIALIZE
; -----------
;
ORG 0x000 ; Program starts at 0x000
CLRF PORTA ; Initialize port A
CLRF PORTB ; Initialize port B
BSF STATUS,RP0 ; RAM bank 1
CLRF TRISA ; All pins port A output
CLRF TRISB ; All pins port B output
BCF STATUS,RP0 ; RAM bank 0
;
; ------------------------
; FUNCTION OF PORT A PINS
; ------------------------
;
MOVLW 7
MOVWF CMCON ; Comparators off, all pins digital I/O
;
; ----------
; MAIN LOOP
; ----------
;
Main BSF PORTA,2 ; Turn on LED connected to RA2
CALL delay
BCF PORTA,2 ; Turn off LED connected to RA2
CALL delay
GOTO Main
;
; ---------------
; DELAY 250 MSEC
; ---------------
;
delay MOVLW 250
MOVWF Loop1
Outer MOVLW 200
MOVWF Loop2
Inner NOP
NOP
DECFSZ Loop2,F
GOTO Inner ; Inner loop = 5 usec.
DECFSZ Loop1,F
GOTO Outer
RETURN
END |
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