PIC24FJ32GB002-E/ML MICROCHIP [Microchip Technology], PIC24FJ32GB002-E/ML Datasheet - Page 60
PIC24FJ32GB002-E/ML
Manufacturer Part Number
PIC24FJ32GB002-E/ML
Description
28/44-Pin, 16-Bit, Flash Microcontrollers with USB On-The-Go (OTG) and nanoWatt XLP Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC24FJ32GB002-EML.pdf
(352 pages)
- Current page: 60 of 352
- Download datasheet (3Mb)
PIC24FJ64GB004 FAMILY
EXAMPLE 5-4:
EXAMPLE 5-5:
EXAMPLE 5-6:
DS39940D-page 60
// C example using MPLAB C30
//Set up NVMCON for row programming
//Set up pointer to the first memory location to be written
//Perform TBLWT instructions to write necessary number of latches
for(i=0; i < 2*NUM_INSTRUCTION_PER_ROW; i++)
// C example using MPLAB C30
asm("DISI #5");
__builtin_write_NVM();
#define NUM_INSTRUCTION_PER_ROW 64
unsigned int offset;
unsigned int i;
unsigned long progAddr = 0xXXXXXX;
unsigned int progData[2*NUM_INSTRUCTION_PER_ROW];
NVMCON = 0x4001;
TBLPAG = progAddr>>16;
offset = progAddr & 0xFFFF;
{
}
__builtin_tblwtl(offset, progData[i++]);
__builtin_tblwth(offset, progData[i]);
offset = offset + 2;
DISI
MOV
MOV
MOV
MOV
BSET
NOP
NOP
BTSC
BRA
#5
#0x55, W0
W0, NVMKEY
#0xAA, W1
W1, NVMKEY
NVMCON, #WR
NVMCON, #15
$-2
LOADING THE WRITE BUFFERS – ‘C’ LANGUAGE CODE
INITIATING A PROGRAMMING SEQUENCE – ASSEMBLY LANGUAGE CODE
INITIATING A PROGRAMMING SEQUENCE – ‘C’ LANGUAGE CODE
// Block all interrupts with priority < 7
// for next 5 instructions
// Perform unlock sequence and set WR
; Block all interrupts with priority <7
; for next 5 instructions
; Write the 55 key
;
; Write the AA key
; Start the erase sequence
;
;
; and wait for it to be
; completed
// Buffer of data to write
// Write to address low word
// Write to upper byte
// Address of row to write
// Initialize NVMCON
// Initialize PM Page Boundary SFR
// Initialize lower word of address
// Increment address
2010 Microchip Technology Inc.
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