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PIC24F16KA102 데이터시트(PDF) 36 Page - Microchip Technology |
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PIC24F16KA102 데이터시트(HTML) 36 Page - Microchip Technology |
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36 / 48 page ![]() PIC24FXXKAXXX DS39919A-page 36 Advance Information © 2008 Microchip Technology Inc. 5.2.8 READP COMMAND The READP command instructs the programming executive to read N 24-bit words of code memory, including Configuration registers, starting from the 24-bit address specified by Addr_MSB and Addr_LS. The entire data returned in response to this command uses the packed data format described in Section 5.2.2 “Packed Data Format”. Expected Response (2 + 3 * N/2 words for N even): 1200h 2 + 3 * N/2 LSB program memory word 1 ... LSB data word N Expected Response (4 + 3 * (N – 1)/2 words for N odd): 1200h 4 + 3 * (N – 1)/2 LSB program memory word 1 ... MSB of program memory word N (zero-padded) 5.2.9 PROGC COMMAND The PROGC command instructs the programming executive to program a single User ID register located at the specified memory address. After the specified data word has been programmed to code memory, the programming executive verifies the programmed data against the data in the command. Expected Response (2 words): 1400h 0002h 5.2.10 PROGD COMMAND The PROGD command instructs the programming executive to program one word (16-bit) of data EEPROM memory, starting from the 24-bit address specified by Addr_MSB and Addr_LS. Once one word of data EEPROM has been programmed, the programming executive verifies the programmed data against the data in the command. 15 12 11 8 7 0 Opcode Length N Reserved Addr_MSB Addr_LS Field Description Opcode 2h Length 4h N Number of 24-bit instructions to read (max. of 32768). Reserved 0h Addr_MSB MSb of 24-bit source address. Addr_LS Least Significant 16 bits of 24-bit source address. Note: This command can only be used to read 24-bit data. Note: Reading unimplemented memory will cause the programming executive to reset. Ensure that only memory locations present on a particular device are accessed. 15 12 11 8 7 0 Opcode Length Reserved Addr_MSB Addr_LS Data Field Description Opcode 4h Length 4h Reserved 0h Addr_MSB MSb of 24-bit destination address. Addr_LS Least Significant 16 bits of 24-bit destination address. Data 8-bit data word. 15 12 11 8 7 0 Opcode Length Reserved Addr_MSB Addr_LS D_1 Field Description Opcode Fh Length 4h Reserved 0h Addr_MSB MSB of 24-bit source address. Addr_LS Least Significant 16 bits of 24-bit source address. D_1 16-bit data word. |
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