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PIC16F818-E/ML датащи(PDF) 12 Page - Microchip Technology |
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PIC16F818-E/ML датащи(HTML) 12 Page - Microchip Technology |
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12 / 176 page ![]() PIC16F818/819 DS39598E-page 10 2004 Microchip Technology Inc. 2.2 Data Memory Organization The data memory is partitioned into multiple banks that contain the General Purpose Registers and the Special Function Registers. Bits RP1 (Status<6>) and RP0 (Status<5>) are the bank select bits. Each bank extends up to 7Fh (128 bytes). The lower locations of each bank are reserved for the Special Function Registers. Above the Special Function Regis- ters are the General Purpose Registers, implemented as static RAM. All implemented banks contain SFRs. Some “high use” SFRs from one bank may be mirrored in another bank for code reduction and quicker access (e.g., the Status register is in Banks 0-3). 2.2.1 GENERAL PURPOSE REGISTER FILE The register file can be accessed either directly or indirectly through the File Select Register, FSR. RP1:RP0 Bank 00 0 01 1 10 2 11 3 Note: EEPROM data memory description can be found in Section 3.0 “Data EEPROM and Flash Program Memory” of this data sheet. |
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