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dsPIC33F/PIC24H PROGRAMMING SPECIFICATION

TABLE 6-1:

Command

(Binary)

PROGRAMMING THE PROGRAMMING EXECUTIVE (CONTINUED)

Data

(Hex)

Description

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

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

2<LSW0>0

2<MSB1:MSB0>1

2<LSW1>2

2<LSW2>3

2<MSB3:MSB2>4

2<LSW3>5

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

MOV

MOV

MOV

MOV

MOV

MOV

#<LSW0>, W0

#<MSB1:MSB0>, W1

#<LSW1>, W2

#<LSW2>, W3

#<MSB3:MSB2>, W4

#<LSW3>, W5

Step 8:

Set the read pointer (W6) and load the (next four write) latches.

CLR

W6

NOP

TBLWTL [W6++],

NOP

NOP

TBLWTH.B[W6++],

NOP

NOP

TBLWTH.B[W6++],

NOP

NOP

TBLWTL [W6++],

NOP

NOP

TBLWTL [W6++],

NOP

NOP

TBLWTH.B[W6++],

NOP

NOP

TBLWTH.B[W6++],

NOP

NOP

TBLWTL [W6++],

NOP

NOP

[W7]

[W7++]

[++W7]

[W7++]

[W7]

[W7++]

[++W7]

[W7++]

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

NOP

NOP

NVMCON, #15

Step 11:

Wait for the Row Program operation to complete.

Externally time 鈥楶13鈥?msec (see

Section TABLE 8-1: 鈥淎C/DC

Characteristics and Timing Requirements鈥?

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.

0000

0000

0000

0001

807600

887840

000000

<VISI>

漏

2007 Microchip Technology Inc.

Preliminary

DS70152D-page 69

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