DSC POWER 864 - REV2 Especificaciones descargar pdf (Pagina 49)

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PIC24F16KA102 FAMILY

EXAMPLE 5-2: ERASING A PROGRAM MEMORY ROW – ‘C’ LANGUAGE CODE

// C example using MPLAB C30

int __attribute__ ((space(auto_psv))) progAddr = &progAddr; // Variable located in Pgm Memory

unsigned int offset;

//Set up pointer to the first memory location to be written

TBLPAG = __builtin_tblpage(&progAddr); // Initialize PM Page Boundary SFR

offset = &progAddr & 0xFFFF; // Initialize lower word of address

__builtin_tblwtl(offset, 0x0000); // Set base address of erase block

// with dummy latch write

NVMCON = 0x4058; // Initialize NVMCON

asm("DISI #5"); // Block all interrupts for next 5 instructions

__builtin_write_NVM(); // C30 function to perform unlock

// sequence and set WR

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 253 254

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DSC POWER 864 - REV2 Especificaciones Pagina 49

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