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PIC24F04KA201 Datasheet(PDF) 15 Page - Microchip Technology

Part # PIC24F04KA201
Description  Flash Programming Specifications
PDF  48 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC24F04KA201 Datasheet(HTML) 15 Page - Microchip Technology

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PIC24FXXKAXXX
© 2008 Microchip Technology Inc.
Advance Information
DS39919A-page 15
TABLE 3-6:
INSTRUCTION EXECUTION FOR WRITING DATA EEPROM
Command
(Binary)
Data
(Hex)
Description
Step 1: Exit the Reset vector.
0000
0000
0000
000000
040200
000000
NOP
GOTO
0x200
NOP
Step 2: Set the NVMCON to program 1 data word.
0000
0000
24004A
883B0A
MOV
#0x4004, W10
MOV
W10, NVMCON
Step 3: Initialize the Write Pointer (W7) for TBLWT instruction.
0000
0000
0000
2007F0
880190
2FExx7
MOV
#0x7F, W0
MOV
W0, TBLPAG
MOV
#<DestinationAddress15:0>, W7
Step 4: Load W0 with the data word to program and load the write latch.
0000
0000
0000
0000
2xxxx0
BB1B80
000000
000000
MOV
#<Data_Word_Value>, W0
TBLWTL
W0, [W7++]
NOP
NOP
Step 5: Initiate the write cycle.
0000
0000
0000
A8E761
000000
000000
BSET
NVMCON, #WR
NOP
NOP
Step 6: Repeat this step to poll the WR bit (bit 15 of NVMCON) until it is cleared by the hardware.
0000
0000
0000
0000
0000
00001
0000
040200
000000
803B02
883C22
000000
<VISI>
000000
GOTO
0x200
NOP
MOV
NVMCON, W2
MOV
W2, VISI
NOP
Clock out contents of the VISI register.
NOP
Step 7: Reset device internal PC.
0000
0000
040200
000000
GOTO
0x200
NOP
Step 8: Repeat Steps 4 through 7 until the entire data EEPROM memory is programmed.



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