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PIC24F04KA201T-I/SS 데이터시트(PDF) 49 Page - Microchip Technology |
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PIC24F04KA201T-I/SS 데이터시트(HTML) 49 Page - Microchip Technology |
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49 / 224 page ![]() © 2009 Microchip Technology Inc. Preliminary DS39937B-page 47 PIC24F04KA201 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 |
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