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DSPIC33F Datasheet(PDF) 69 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) 69 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
Preliminary
DS70152D-page 69
dsPIC33F/PIC24H PROGRAMMING SPECIFICATION
Step 7: Load W0:W5 with the next 4 words of packed programming executive code and initialize W6 for
programming. Programming starts from the base of executive memory (0x800000) using W6 as a read
pointer and W7 as a write pointer.
0000
0000
0000
0000
0000
0000
2<LSW0>0
2<MSB1:MSB0>1
2<LSW1>2
2<LSW2>3
2<MSB3:MSB2>4
2<LSW3>5
MOV
#<LSW0>, W0
MOV
#<MSB1:MSB0>, W1
MOV
#<LSW1>, W2
MOV
#<LSW2>, W3
MOV
#<MSB3:MSB2>, W4
MOV
#<LSW3>, W5
Step 8: Set the read pointer (W6) and load the (next four 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 9: Repeat Steps 7-8 sixteen times to load the write latches for the 64 instructions.
Step 10: Initiate the programming cycle.
0000
0000
0000
A8E761
000000
000000
BSET
NVMCON, #15
NOP
NOP
Step 11: Wait for the Row Program operation to complete.
-
0000
0000
0000
0001
-
807600
887840
000000
<VISI>
Externally time ‘P13’ msec (see Section TABLE 8-1: “AC/DC
Characteristics and Timing Requirements”
) to allow suffi-
cient time for the Page Erase operation to complete.
MOV
NVMCON, W0
MOV
W0, VISI
NOP
Clock out contents of VISI register. Repeat until the WR bit
is clear.
TABLE 6-1:
PROGRAMMING THE PROGRAMMING EXECUTIVE (CONTINUED)
Command
(Binary)
Data
(Hex)
Description



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