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PIC24F04KA201 Datasheet(PDF) 43 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) 43 Page - Microchip Technology

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PIC24FXXKAXXX
© 2008 Microchip Technology Inc.
Advance Information
DS39919A-page 43
TABLE 5-6:
READING EXECUTIVE MEMORY
Command
(Binary)
Data
(Hex)
Description
Step 1: Exit the Reset vector.
0000
0000
0000
000000
040200
000000
NOP
GOTO
0x200
NOP
Step 2: Initialize TBLPAG and the Read Pointer (W6) for TBLRD instruction.
0000
0000
0000
200800
880190
EB0300
MOV
#0x80, W0
MOV
W0, TBLPAG
CLR
W6
Step 3: Initialize the Write Pointer (W7) to point to the VISI register.
0000
0000
207847
000000
MOV
#VISI, W7
NOP
Step 4: Read and clock out the contents of the next two locations of the executive memory through the VISI register
using the REGOUT command.
0000
0000
0000
0001
0000
0000
0000
0000
0000
0000
0000
0001
0000
0000
0000
0000
0001
0000
BA1B96
000000
000000
<VISI>
000000
BADBB6
000000
000000
BAD3D6
000000
000000
<VISI>
000000
BA0BB6
000000
000000
<VISI>
000000
TBLRDL
[W6], [W7]
NOP
NOP
Clock out contents of VISI register.
NOP
TBLRDH
[W6++], [W7]
NOP
NOP
TBLRDH.B
[++W6], [W7--]
NOP
NOP
Clock out contents of VISI register.
NOP
TBLRDL
[W6++], [W7]
NOP
NOP
Clock out contents of VISI register.
NOP
Step 5: Reset the device internal PC.
0000
0000
040200
000000
GOTO
0x200
NOP
Step 6: Repeat Steps 4 and 5 until the entire executive memory is read.



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