PIC24F32KA301-E/SS Microchip Technology, PIC24F32KA301-E/SS Datasheet - Page 64

• Manufacturer Part Number: PIC24F32KA301-E/SS
• Description: 32KB Flash, 2KB RAM, 512B EEPROM, 16 MIPS, 12-bit ADC, CTMU, XLP 20 SSOP .209in
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 24Fr

Specifications of PIC24F32KA301-E/SS

• Core Processor: PIC
• Core Size: 16-Bit
• Speed: 32MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 32KB (11K x 24)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 12x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SSOP (0.209", 5.30mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC24FV32KA304 FAMILY
EXAMPLE 5-4:
EXAMPLE 5-5:
EXAMPLE 5-6:
DS39995B-page 64
// C example using MPLAB C30
// C example using MPLAB C30
asm("DISI #5");
__builtin_write_NVM();
#define NUM_INSTRUCTION_PER_ROW 64
unsigned int offset;
unsigned int i;
unsigned int progData[2*NUM_INSTRUCTION_PER_ROW];
//Set up NVMCON for row programming
NVMCON = 0x4001;
//Set up pointer to the first memory location to be written
TBLPAG = __builtin_tblpage(&progAddr);
offset = &progAddr & 0xFFFF;
//Perform TBLWT instructions to write necessary number of latches
for(i=0; i < 2*NUM_INSTRUCTION_PER_ROW; i++)
{
int __attribute__ ((space(auto_psv))) progAddr = &progAddr;// Global variable located in Pgm Memory
}
__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 for next 5 instructions
// Perform unlock sequence and set WR
; Block all interrupts
; Write the 55 key
;
; Write the AA key
; Start the erase sequence
; 2 NOPs required after setting WR
;
; Wait for the sequence to be completed
;
for next 5 instructions
// Buffer of data to write
// Initialize NVMCON
// Initialize PM Page Boundary SFR
// Initialize lower word of address
// Write to address low word
// Write to upper byte
// Increment address
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