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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC24HJ128GP310 датащи(PDF) 25 Page - Microchip Technology |
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PIC24HJ128GP310 датащи(HTML) 25 Page - Microchip Technology |
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25 / 286 page  © 2007 Microchip Technology Inc. DS70175F-page 23 PIC24HJXXXGPX06/X08/X10 3.0 MEMORY ORGANIZATION The PIC24HJXXXGPX06/X08/X10 architecture fea- tures separate program and data memory spaces and buses. This architecture also allows the direct access of program memory from the data space during code execution. 3.1 Program Address Space The program address memory space of the PIC24HJXXXGPX06/X08/X10 devices is 4M instructions. The space is addressable by a 24-bit value derived from either the 23-bit Program Counter (PC) during program execution, or from table operation or data space remap- ping as described in Section 3.4 “Interfacing Program and Data Memory Spaces”. User access to the program memory space is restricted to the lower half of the address range (0x000000 to 0x7FFFFF). The exception is the use of TBLRD/TBLWT operations, which use TBLPAG<7> to permit access to the Configuration bits and Device ID sections of the configuration memory space. Memory maps for the PIC24HJXXXGPX06/X08/X10 family of devices are shown in Figure 3-1. Note: This data sheet summarizes the features of this group of PIC24HJXXXGPX06/X08/ X10 devices. It is not intended to be a comprehensive reference source. To com- plement the information in this data sheet, refer to the “PIC24H Family Reference Manual”. Refer to the Microchip web site (www.microchip.com) for the latest PIC24H Family Reference Manual sections. |
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