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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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PIC16LC554 Fiches technique(PDF) 14 Page - Microchip Technology |
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PIC16LC554 Fiches technique(HTML) 14 Page - Microchip Technology |
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14 / 96 page  PIC16C55X(A) DS40143B-page 14 Preliminary © 1997 Microchip Technology Inc. 4.2 Data Memory Organization The data memory (Figure 4-4 and Figure 4-5) is partitioned into two Banks which contain the general purpose registers and the special function registers. Bank 0 is selected when the RP0 bit is cleared. Bank 1 is selected when the RP0 bit (STATUS <5>) is set. The Special Function Registers are located in the first 32 locations of each Bank. Register locations 20-6Fh (Bank0) on the PIC16C554(A)/556A and 20-7Fh (Bank0) and A0-BFh (Bank1) on the PIC16C558(A) are general purpose registers implemented as static RAM. Some special purpose registers are mapped in Bank 1. 4.2.1 GENERAL PURPOSE REGISTER FILE The register file is organized as 80 x 8 in the PIC16C554(A)/556A and 128 x 8 in the PIC16C558(A). Each is accessed either directly or indirectly through the File Select Register, FSR (Section 4.4). |
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