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PIC12F1822-I/MF датащи(PDF) 107 Page - Microchip Technology |
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PIC12F1822-I/MF датащи(HTML) 107 Page - Microchip Technology |
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107 / 398 page ![]() 2010 Microchip Technology Inc. Preliminary DS41413A-page 107 PIC12F/LF1822/16F/LF1823 EXAMPLE 11-3: FLASH PROGRAM MEMORY READ * This code block will read 1 word of program * memory at the memory address: PROG_ADDR_HI : PROG_ADDR_LO * data will be returned in the variables; * PROG_DATA_HI, PROG_DATA_LO BANKSEL EEADRL ; Select Bank for EEPROM registers MOVLW PROG_ADDR_LO ; MOVWF EEADRL ; Store LSB of address MOVLW PROG_ADDR_HI ; MOVWL EEADRH ; Store MSB of address BCF EECON1,CFGS ; Do not select Configuration Space BSF EECON1,EEPGD ; Select Program Memory BCF INTCON,GIE ; Disable interrupts BSF EECON1,RD ; Initiate read NOP ; Executed (Figure 11-1) NOP ; Ignored (Figure 11-1) BSF INTCON,GIE ; Restore interrupts MOVF EEDATL,W ; Get LSB of word MOVWF PROG_DATA_LO ; Store in user location MOVF EEDATH,W ; Get MSB of word MOVWF PROG_DATA_HI ; Store in user location |
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