PIC12CE518-04I/SN Microchip Technology, PIC12CE518-04I/SN Datasheet - Page 118

• Manufacturer Part Number: PIC12CE518-04I/SN
• Description: IC MCU OTP 512X12 W/EE 8SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 12Cr

Specifications of PIC12CE518-04I/SN

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 5
• Program Memory Size: 768B (512 x 12)
• Program Memory Type: OTP
• Eeprom Size: 16 x 8
• Ram Size: 25 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• For Use With: 309-1046 - ADAPTER 8-SOIC TO 8-DIP309-1045 - ADAPTER 8-SOIC TO 8-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Connectivity: -

PICmicro MID-RANGE MCU FAMILY
7.7
DS31007A-page 7-6
Write Verify
Depending on the application, good programming practice may dictate that the value written to
the Data EEPROM be verified
should be used in applications where an EEPROM bit will be stressed near the specification limit.
The Total Endurance disk will help determine your comfort level.
Example 7-3: Write Verify
READ
;
; Is the value written (in W reg) and read (in EEDATA) the same?
;
BCF
:
:
MOVF
BSF
BSF
BCF
SUBWF EEDATA, W
BTFSS STATUS, Z
GOTO
:
:
STATUS, RP0 ; Bank0
EEDATA, W
STATUS, RP0 ; Bank1
EECON1, RD
STATUS, RP0 ; Bank0
WRITE_ERR
(Example
; Any code can go here
;
; Must be in Bank0
; YES, Read the value written
;
; Is difference 0?
; NO, Write error
; YES, Good write
; Continue program
7-3) as the value that was intended to be written. This
1997 Microchip Technology Inc.