PIC24FJ32GA104-I/PT Microchip Technology, PIC24FJ32GA104-I/PT Datasheet - Page 56

• Manufacturer Part Number: PIC24FJ32GA104-I/PT
• Description: 16-bit, 16 MIPS, 32KB Flash, 8KB RAM, Nanowatt XLP 44 TQFP 10x10x1mm TRAY
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 24Fr

Specifications of PIC24FJ32GA104-I/PT

• Core Processor: PIC
• Core Size: 16-Bit
• Speed: 32MHz
• Connectivity: I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 32KB (11K x 24)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 876-1004 - PIC24 BREAKOUT BOARD
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC24FJ64GA104 FAMILY
EXAMPLE 5-4:
EXAMPLE 5-5:
EXAMPLE 5-6:
DS39951C-page 56
// 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
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