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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS320VC5421 датащи(PDF) 35 Page - Texas Instruments |
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TMS320VC5421 датащи(HTML) 35 Page - Texas Instruments |
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35 / 104 page  Functional Overview 35 December 1999 − Revised October 2008 SPRS098D 3.6 16-Bit Bidirectional Host-Port Interface (HPI16) The HPI16 is an enhanced 16-bit version of the TMS320C54x DSP 8-bit host-port interface (HPI). The HPI16 is designed to allow a 16-bit host to access the DSP on-chip memory, with the host acting as the master of the interface. 3.6.1 HPI16 Memory Map Figure 3−6 illustrates the available memory accessible by the HPI. Neither the CPU nor DMA I/O spaces can be accessed using the host-port interface. Page 0 McBSP DXR/DRR MMRegs Only On-Chip DARAM A (32K Words) Prog/Data On-Chip SARAM A (32K Words) Data Only Hex 00 0000 00 001F 00 0020 00 005F 00 0060 00 7FFF 00 8000 00 FFFF Page 1 On-Chip Two-Way Shared DARAM 0 (32K Words) Program Only On-Chip Two-Way Shared DARAM 1 (32K Words) Program Only Hex 01 0000 01 7FFF 01 8000 01 FFFF Page 2 On-Chip DARAM B (32K Words) Prog/Data On-Chip SARAM B (32K Words) Data Only Hex 02 0000 02 7FFF 02 8000 02 FFFF Page 3 On-Chip Two-Way Shared DARAM 2 (32K Words) Program Only On-Chip Two-Way Shared DARAM 3 (32K Words) Program Only Hex 03 0000 03 7FFF 03 8000 03 FFFF 02 005F 02 0060 McBSP DXR/DRR MMRegs Only Subsystem A Shared 0 Subsystem B Subsystem B Subsystem A Shared 2 Shared 1 Shared 3 02 001F 02 0020 Reserved Reserved NOTES: A. All local memory is available to the HPI B. The encoder maps CPU A Data Page 0 into the HPI Page 0. CPU B Data Page 0 is mapped into the HPI Page 2. Pages 1 and 3 are the on-chip shared program memory. C. In pages 00 and 02, in the range of 0020−005F, only the following memory mapped registers are accessible: 20,21,30,31,40,41 (read only), 22,23,32,33,42,43 (write only). Figure 3−6. Memory Map Relative to Host-Port Interface HPI16 |
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