PIC Micro Choice - Electronic Circuits Projects Diagrams Free

AtomSoft · 24th April 2009, 02:43 PM

Hey guys im looking for a solution here. I have a small project i want to do. It will require the control of 2 transistors and 1 button.

So i need a minimum of 3-4 i/o pins. i would like to use a 8pin package (DIP or SOIC).

I need it to run off of 2 AA batteries.

I need to have it with a internal OSC to insure part count is low.

And thoughts? Thanks for taking the time to at least read this

geko · 24th April 2009, 02:58 PM

12F629 would be my choice, or 12F683 if you need 8Mhz clock/ADC/CCP/comparator/Timer2/more memory

AtomSoft · 24th April 2009, 03:21 PM

would the internal osc work ok off of 2AA

blueroomelectronics · 24th April 2009, 03:23 PM

The 12F629 is 2V to 5V should be fine off two AA.

AtomSoft · 24th April 2009, 03:33 PM

ok cool i noticed it on page 114 oof datasheet

AtomSoft · 24th April 2009, 04:40 PM

Thanks i just ordered 3 of these. Thanks a bunch again.
I havent been on these for a while but what can i use to program these except asm?

Is there a Basic or C i can use for 12F pics?

eng1 · 24th April 2009, 04:50 PM

Quote:

Originally Posted by AtomSoft

Thanks i just ordered 3 of these. Thanks a bunch again.
I havent been on these for a while but what can i use to program these except asm?

Is there a Basic or C i can use for 12F pics?

BoostC, mikroC or Hi-Tech PIC C for example.

nickelflippr · 24th April 2009, 08:06 PM

Great Cow Basic (GCBasic), blinks an led (and?) for 10f's too.

Mike, K8LH · 24th April 2009, 11:06 PM

Man you're fast. I didn't have time to pass along my recommendations. Anyway, you've four four choices; 12F629, 12F635, 12F675, and 12F683. The 12F635 and 12F683 have an 8 MHz INTOSC. The 12F683 is my favorite because it's pretty much "full blown" as far as 2K memory space, full compliment of timers, CCP module, etc.

Almost forgot. You've got to look into BoostC for the 12F/16F parts.

Good luck. Mike

AtomSoft · 25th April 2009, 02:11 AM

ok trying some asm right now .. no errors. but hard to test since its so fast lol:

Code:

	list      p=16f627A           ; list directive to define processor
	#include <p16F627A.inc>       ; processor specific variable definitions

	errorlevel  -302              ; suppress message 302 from list file

	__CONFIG   _CP_OFF & _DATA_CP_OFF & _LVP_OFF & _BOREN_OFF & _MCLRE_OFF & _WDT_OFF & _PWRTE_ON & _INTOSC_OSC_NOCLKOUT 



;***** VARIABLE DEFINITIONS
d1        EQU     0x7E        ; variable used for context saving 
d2        EQU     0x7F        ; variable used for context saving

	ORG     0x000             ; processor reset vector
	BSF PCON, 3
	MOVLW 0x07 ;Turn comparators off and
	MOVWF CMCON ;enable pins for I/O
	BCF STATUS, RP0 ;
	BCF PORTB, 7 ;01pp pppp 11pp pppp
	BSF STATUS, RP0 ;
	BCF TRISB, 7 ;10pp pppp 11pp pppp
	BCF TRISB, 6 ;10pp pppp 10pp pppp
main
	BSF		PORTB,0
	call    Delay
	BCF 	PORTB,0
	call    Delay
	goto	main		  ;loop forever, remove this instruction, for test only


Delay
	movlw	0x5e         ;0x3E
	movwf	d1
	movlw	0xeb         ;0x9D
	movwf	d2
Delay_0
	decfsz	d1, f
	goto	$+2
	decfsz	d2, f
	goto	Delay_0
	goto	$+1
	nop
	return

	END

Got the above working now

AtomSoft · 25th April 2009, 01:14 PM

BoostC is awesome also!

Code:

#include <system.h>

#pragma DATA _CONFIG, _CP_OFF & _PWRTE_OFF & _WDT_OFF & _INTRC_OSC_NOCLKOUT & _LVP_OFF
#pragma CLOCK_FREQ 4000000
void main()
{
	char t = 150;

	cmcon = 0x07;
	pcon.OSCF = 1;
	trisb = 0x00;

	while(1){
		set_bit( portb, 0 );
		delay_ms(t);
		clear_bit( portb, 0 );
		delay_ms(t);
	}

}

AtomSoft · 25th April 2009, 02:42 PM

Cow Basic is wierd lol i changed or created a new compile bat to make it simpler:

Code:

@ECHO OFF
E:
cd \PROGRA~1\GCBASIC

GCBASIC /NC %1 /O:%1.asm 
PAUSE

This will compile your file and place it in same directory as original.

Then u would use mplab to load it i assume.

AtomSoft · 25th April 2009, 03:22 PM

ok issue here. Im trying ASM again but for a 10F206. I think i got the power and connection ok
since it programs correctly but this code doesnt blink a led for some reason:

Code:

	list      p=10F206            ; list directive to define processor
	#include <p10F206.inc>        ; processor specific variable definitions

	__CONFIG  _IntRC_OSC & _MCLRE_ON & _CP_OFF & _WDT_OFF

d1	equ	8
d2	equ	9

	ORG     0x000            
	movwf   OSCCAL            ; update register with factory cal value 

start	
	movlw   0x00	
	TRIS	GPIO
MAIN		
	bsf	    GPIO,2
	call	Delay300ms

	bcf	    GPIO,2
	call	Delay300ms

	goto	MAIN

Delay300ms
	movlw	0x5E
	movwf	d1
	movlw	0xEB
	movwf	d2
Delay_0
	decfsz	d1, f
	goto	$+2
	decfsz	d2, f
	goto	Delay_0
	goto	$+1
	nop
	retlw	0

 END

geko · 25th April 2009, 03:30 PM

The 10F206 has a comparator module that is enabled at reset.

You need to turn it off to use GP2 as digital I/O

Edit: although according to the datasheet the output isn't enabled on GP2 at reset

Just tested the code you posted using the Oshonsoft PIC10F simulator and it toggles GP2 correctly

AtomSoft · 25th April 2009, 03:34 PM

not working still

Code:

	list      p=10F206            ; list directive to define processor
	#include <p10F206.inc>        ; processor specific variable definitions

	__CONFIG  _IntRC_OSC & _MCLRE_ON & _CP_OFF & _WDT_OFF

d1	equ	8
d2	equ	9

	ORG     0x000            
	movwf   OSCCAL            ; update register with factory cal value 

start	
	movlw	7
	movwf	CMCON0
	movlw   0x00	
	TRIS	GPIO
MAIN		
	bsf	    GPIO,2
	call	Delay300ms

	bcf	    GPIO,2
	call	Delay300ms

	goto	MAIN

Delay300ms
	movlw	0x5E
	movwf	d1
	movlw	0xEB
	movwf	d2
Delay_0
	decfsz	d1, f
	goto	$+2
	decfsz	d2, f
	goto	Delay_0
	goto	$+1
	nop
	retlw	0

 END

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24th April 2009, 02:43 PM	#1
AtomSoft	PIC Micro Choice Hey guys im looking for a solution here. I have a small project i want to do. It will require the control of 2 transistors and 1 button. So i need a minimum of 3-4 i/o pins. i would like to use a 8pin package (DIP or SOIC). I need it to run off of 2 AA batteries. I need to have it with a internal OSC to insure part count is low. And thoughts? Thanks for taking the time to at least read this __________________ AtomSofts eBay Store AtomSoftTech: C18 TIPS & TRICKS v9 PDF Nokia 6100 Driver/Software My Name: Jason Lopez http://atomsofttech.info/ \| My YouTube Videos! My Favorite Store: dipmicro Electronics

24th April 2009, 02:58 PM	#2
geko	12F629 would be my choice, or 12F683 if you need 8Mhz clock/ADC/CCP/comparator/Timer2/more memory __________________ Pete picprojects.org.uk

24th April 2009, 03:21 PM	#3
AtomSoft	would the internal osc work ok off of 2AA __________________ AtomSofts eBay Store AtomSoftTech: C18 TIPS & TRICKS v9 PDF Nokia 6100 Driver/Software My Name: Jason Lopez http://atomsofttech.info/ \| My YouTube Videos! My Favorite Store: dipmicro Electronics

24th April 2009, 03:23 PM	#4
blueroomelectronics	The 12F629 is 2V to 5V should be fine off two AA. __________________ Bill Smart Kits build Smart People http://www.blueroomelectronics.com/

24th April 2009, 03:33 PM	#5
AtomSoft	ok cool i noticed it on page 114 oof datasheet __________________ AtomSofts eBay Store AtomSoftTech: C18 TIPS & TRICKS v9 PDF Nokia 6100 Driver/Software My Name: Jason Lopez http://atomsofttech.info/ \| My YouTube Videos! My Favorite Store: dipmicro Electronics

24th April 2009, 04:40 PM	#6
AtomSoft	Thanks i just ordered 3 of these. Thanks a bunch again. I havent been on these for a while but what can i use to program these except asm? Is there a Basic or C i can use for 12F pics? __________________ AtomSofts eBay Store AtomSoftTech: C18 TIPS & TRICKS v9 PDF Nokia 6100 Driver/Software My Name: Jason Lopez http://atomsofttech.info/ \| My YouTube Videos! My Favorite Store: dipmicro Electronics

24th April 2009, 08:06 PM	#8
nickelflippr	Great Cow Basic (GCBasic), blinks an led (and?) for 10f's too.

24th April 2009, 11:06 PM	#9
Mike, K8LH	Man you're fast. I didn't have time to pass along my recommendations. Anyway, you've four four choices; 12F629, 12F635, 12F675, and 12F683. The 12F635 and 12F683 have an 8 MHz INTOSC. The 12F683 is my favorite because it's pretty much "full blown" as far as 2K memory space, full compliment of timers, CCP module, etc. Almost forgot. You've got to look into BoostC for the 12F/16F parts. Good luck. Mike Last edited by Mike, K8LH; 24th April 2009 at 11:07 PM.

25th April 2009, 02:42 PM	#12
AtomSoft	Cow Basic is wierd lol i changed or created a new compile bat to make it simpler: Code: @ECHO OFF E: cd \PROGRA~1\GCBASIC GCBASIC /NC %1 /O:%1.asm PAUSE This will compile your file and place it in same directory as original. Then u would use mplab to load it i assume. __________________ AtomSofts eBay Store AtomSoftTech: C18 TIPS & TRICKS v9 PDF Nokia 6100 Driver/Software My Name: Jason Lopez http://atomsofttech.info/ \| My YouTube Videos! My Favorite Store: dipmicro Electronics

25th April 2009, 03:30 PM	#14
geko	The 10F206 has a comparator module that is enabled at reset. You need to turn it off to use GP2 as digital I/O Edit: although according to the datasheet the output isn't enabled on GP2 at reset Just tested the code you posted using the Oshonsoft PIC10F simulator and it toggles GP2 correctly __________________ Pete picprojects.org.uk Last edited by geko; 25th April 2009 at 03:37 PM.