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DSPIC33F Datasheet(PDF) 60 Page - Microchip Technology

Part # DSPIC33F
Description  Flash Programming Specification
PDF  80 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

DSPIC33F Datasheet(HTML) 60 Page - Microchip Technology

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dsPIC33F/PIC24H PROGRAMMING SPECIFICATION
DS70152D-page 60
Preliminary
© 2007 Microchip Technology Inc.
TABLE 5-5:
SERIAL INSTRUCTION EXECUTION FOR WRITING CODE MEMORY
Command
(Binary)
Data
(Hex)
Description
Step 1: Exit the Reset vector.
0000
0000
0000
0000
000000
000000
040200
000000
NOP
NOP
GOTO
0x200
NOP
Step 2: Set the NVMCON to program 64 instruction words.
0000
0000
24001A
883B0A
MOV
#0x4001, W10
MOV
W10, NVMCON
Step 3: Initialize the write pointer (W7) for TBLWT instruction.
0000
0000
0000
200xx0
880190
2xxxx7
MOV
#<DestinationAddress23:16>, W0
MOV
W0, TBLPAG
MOV
#<DestinationAddress15:0>, W7
Step 4: Initialize the read pointer (W6) and load W0:W5 with the next 4 instruction words to program.
0000
0000
0000
0000
0000
0000
2xxxx0
2xxxx1
2xxxx2
2xxxx3
2xxxx4
2xxxx5
MOV
#<LSW0>, W0
MOV
#<MSB1:MSB0>, W1
MOV
#<LSW1>, W2
MOV
#<LSW2>, W3
MOV
#<MSB3:MSB2>, W4
MOV
#<LSW3>, W5
Step 5: Set the read pointer (W6) and load the (next set of) write latches.
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
EB0300
000000
BB0BB6
000000
000000
BBDBB6
000000
000000
BBEBB6
000000
000000
BB1BB6
000000
000000
BB0BB6
000000
000000
BBDBB6
000000
000000
BBEBB6
000000
000000
BB1BB6
000000
000000
CLR
W6
NOP
TBLWTL
[W6++], [W7]
NOP
NOP
TBLWTH.B[W6++], [W7++]
NOP
NOP
TBLWTH.B[W6++], [++W7]
NOP
NOP
TBLWTL
[W6++], [W7++]
NOP
NOP
TBLWTL
[W6++], [W7]
NOP
NOP
TBLWTH.B[W6++], [W7++]
NOP
NOP
TBLWTH.B[W6++], [++W7]
NOP
NOP
TBLWTL
[W6++], [W7++]
NOP
NOP
Step 6: Repeat steps 4-5 sixteen times to load the write latches for 64 instructions.
Step 7: Initiate the write cycle.
0000
0000
0000
A8E761
000000
000000
BSET
NVMCON, #WR
NOP
NOP
Step 8: Wait for Row Program operation to complete and make sure WR bit is clear.



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