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18F26K22 and SETUP_ADC_PORTS

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hmmpic

Joined: 09 Mar 2010
Posts: 314
Location: Denmark

18F26K22 and SETUP_ADC_PORTS

Posted: Wed Feb 02, 2011 5:48 am

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Hi

Just switch from a smaller PIC to this one, and now the function SETUP_ADC_PORTS make this code?

Can any explain what the x38,x39... is?

Code:

SETUP_ADC_PORTS(P_ADTemp|VSS_FVR);
084A: MOVF ADCON1,W
084C: ANDLW F0
084E: IORLW 08
0850: MOVWF ADCON1
0852: MOVLW 01
0854: MOVLB F
0856: MOVWF x38
0858: MOVLW 00
085A: MOVWF x3C
085C: MOVWF x39
085E: MOVWF x3A
0860: MOVWF x3B

Ttelmah

Joined: 11 Mar 2010
Posts: 19499


Posted: Wed Feb 02, 2011 9:26 am

Selected bank number. So at B54, bank is set to 'F', giving B5A to B60, clearing locations F3C, F39, F3A and F3B, and B56 putting 1 into F38. These are the ANSEL registers. Best Wishes

hmmpic

Joined: 09 Mar 2010
Posts: 314
Location: Denmark


Posted: Wed Feb 02, 2011 10:55 am

Thanks:-)

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