18F25K20 osc setting problem

[mackrackit]

Your OSCCON setting is for 16 MHz

Change INTIO67
to
INTOSCIO

[Gevo]

Hi Dave,

You right about the OSCCON. I set this to %01100000 for 8MHz. speed.

I try to change INTOSCIO but no LED flashing...

[mackrackit]

Post your code and configs.

[Gevo]

Hi Dave,

This my program.

asm
@_CONFIG_CONFIG1H_FOSC_INTIO67
endasm

OSCCON = %01100000 ' OSC Control register to 8MHz
OSCTUNE = %00000000 ' 16 MHz PLL Off bit 6=0, 64MHz PLL On bit 6=1

DEFINE OSC 8 ' Inform PBP for 8 MHz

' Hardware initialization
ANSEL = 0 ' all I/O to digital
ANSELH = 0 '

Led var PORTA.0


' ----- [ Program Code ] ------------------------------------------------------

Main:

High LED ' LED On
pause 200
low LED ' And off....
pause 300

goto Main

[mackrackit]

I read something wrong the first time.

Try

    @ __CONFIG    _CONFIG1H, _FOSC_INTIO67_1H & _FCMEN_OFF_1H & _IESO_OFF_1H
    @ __CONFIG    _CONFIG2H, _WDTEN_ON_2H & _WDTPS_512_2H
    @ __CONFIG    _CONFIG3H, _CCP2MX_PORTC_3H & _PBADEN_OFF_3H & _LPT1OSC_OFF_3H & _HFOFST_ON_3H & _MCLRE_ON_3H
    @ __CONFIG    _CONFIG4L, _STVREN_ON_4L & _LVP_OFF_4L & _XINST_OFF_4L

CM1CON0 = 0
CM2CON0 = 0

Along with your other settings. But I do not have this chip to test...

[Gevo]

Thanks Dave,

A lott of errors. like:

(,) illegal character

(_CONFIG1H) illegal opcode
(_CONFIG2H) illegal opcode
(_CONFIG3H) illegal opcode
(_CONFIG4L) illegal opcode

The 18F25K20 is the same as on the Amicus18 boards. I read about some problem with MPASM for this PIC.

[towlerg]

@Gevo What version of the compiler are you using?

George

[Gevo]

Hi George,

PBP 2.60C
MicroCode Studio 3.0.0.5
MPASM ? I have MPLAB IDE v8.84

[Gevo]

I have update MPLAB IDE to v8.92

So, MPASM is now v5.51

I think this is the last version of MPLAB IDE

[towlerg]

@Gevo What version of the compiler are you using?

George