PIC16LF1827T-E/SS View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LF1827T-E/SS

18/20/28-Pin Flash Microcontrollers with nanoWatt XLP Technology

Microchip Technology 

PIC16F/LF1826/27

EXAMPLE 11-2: DATA EEPROM WRITE

BANKSEL

MOVLW

MOVWF

MOVLW

MOVWF

BCF

BCF

BSF

EEADRL

DATA_EE_ADDR

EEADRL

DATA_EE_DATA

EEDATL

EECON1, CFGS

EECON1, EEPGD

EECON1, WREN

;

;

;Data Memory Address to write

;

;Data Memory Value to write

;Deselect Configuration space

;Point to DATA memory

;Enable writes

BCF

MOVLW

MOVWF

MOVLW

MOVWF

BSF

BSF

BCF

BTFSC

GOTO

INTCON, GIE

55h

EECON2

0AAh

EECON2

EECON1, WR

INTCON, GIE

EECON1, WREN

EECON1, WR

$-2

;Disable INTs.

;

;Write 55h

;

;Write AAh

;Set WR bit to begin write

;Enable Interrupts

;Disable writes

;Wait for write to complete

;Done

FIGURE 11-1:

FLASH PROGRAM MEMORY READ CYCLE EXECUTION

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4

Flash ADDR

Flash Data

PC

PC + 1

EEADRH,EEADRL

PPCC++33

PC + 4

PC + 5

INSTR (PC)

INSTR (PC + 1) EEDATH,EEDATL INSTR (PC + 3) INSTR (PC + 4)

INSTR(PC - 1)

executed here

BSF EECON1,RD

executed here

INSTR(PC + 1)

executed here

Forced NOP

executed here

INSTR(PC + 3)

executed here

INSTR(PC + 4)

executed here

RD bit

EEDATH

EEDATL

Register

EERHLT

 2010 Microchip Technology Inc.

Preliminary

DS41391C-page 109

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