PIC24HJ32GP202 MICROCHIP [Microchip Technology], PIC24HJ32GP202 Datasheet - Page 48
![no-image](/images/no-image-200.jpg)
PIC24HJ32GP202
Manufacturer Part Number
PIC24HJ32GP202
Description
High-Performance, 16-bit Microcontrollers
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC24HJ32GP202.pdf
(244 pages)
- Current page: 48 of 244
- Download datasheet (4Mb)
PIC24HJ32GP202/204 and PIC24HJ16GP304
EXAMPLE 4-2:
EXAMPLE 4-3:
DS70289A-page 46
; Set up NVMCON for row programming operations
; Set up a pointer to the first program memory location to be written
; program memory selected, and writes enabled
; Perform the TBLWT instructions to write the latches
; 0th_program_word
; 1st_program_word
;
; 63rd_program_word
2nd_program_word
MOV
MOV
MOV
MOV
MOV
MOV
MOV
TBLWTL W2, [W0]
TBLWTH W3, [W0++]
MOV
MOV
TBLWTL W2, [W0]
TBLWTH W3, [W0++]
MOV
MOV
TBLWTL W2, [W0]
TBLWTH W3, [W0++]
•
•
•
MOV
MOV
TBLWTL W2, [W0]
TBLWTH W3, [W0++]
DISI
MOV
MOV
MOV
MOV
BSET
NOP
NOP
#0x4001, W0
W0, NVMCON
#0x0000, W0
W0, TBLPAG
#0x6000, W0
#LOW_WORD_0, W2
#HIGH_BYTE_0, W3
#LOW_WORD_1, W2
#HIGH_BYTE_1, W3
#LOW_WORD_2, W2
#HIGH_BYTE_2, W3
#LOW_WORD_31, W2
#HIGH_BYTE_31, W3
#5
#0x55, W0
W0, NVMKEY
#0xAA, W1
W1, NVMKEY
NVMCON, #WR
LOADING THE WRITE BUFFERS
INITIATING A PROGRAMMING SEQUENCE
Preliminary
;
; Initialize NVMCON
;
; Initialize PM Page Boundary SFR
; An example program memory address
;
;
; Write PM low word into program latch
; Write PM high byte into program latch
;
;
; Write PM low word into program latch
; Write PM high byte into program latch
;
;
; Write PM low word into program latch
; Write PM high byte into program latch
;
;
; Write PM low word into program latch
; Write PM high byte into program latch
; Block all interrupts with priority <7
; for next 5 instructions
; Write the 55 key
;
; Write the AA key
; Start the erase sequence
; Insert two NOPs after the
; erase command is asserted
© 2007 Microchip Technology Inc.
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