PIC12F1822 MICROCHIP [Microchip Technology], PIC12F1822 Datasheet - Page 113

• Manufacturer Part Number: PIC12F1822
• Description: 8/14-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

11.6
Depending on the application, good programming
practice may dictate that the value written to the data
EEPROM or program memory should be verified (see
Example 11-6) to the desired value to be written.
Example 11-6 shows how to verify a write to EEPROM.
EXAMPLE 11-6:
 2010 Microchip Technology Inc.
BANKSEL EEDATL
MOVF
BSF
XORWF
BTFSS
GOTO
:
Write Verify
EEDATL, W
EECON1, RD ;YES, Read the
EEDATL, W
STATUS, Z
WRITE_ERR
EEPROM WRITE VERIFY
;
;EEDATL not changed
;from previous write
;value written
;
;Is data the same
;No, handle error
;Yes, continue
PIC12F/LF1822/16F/LF1823
Preliminary
DS41413A-page 113