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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SCD1283 датащи(PDF) 46 Page - Intel Corporation |
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SCD1283 датащи(HTML) 46 Page - Intel Corporation |
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46 / 94 page  CD1283 — IEEE 1284-Compatible Parallel Interface 46 Datasheet 5.10.2 Interfacing to a Motorola Microprocessor-Based System Interfacing to a Motorola 68000 family device is relatively simple. Bus timing and interface signal definitions closely match those of the 68000 microprocessor, which allows a direct connection. With later versions (68020, 68030), some additional logic is required to generate the DSACK0* and DSACK1* functions that replace the DTACK* on earlier devices. Figure 14 shows a generalized interface to a 68020 device. Figure 14. Motorola 68020 Interface 68020 CD1283 SYSTEM CS* A[6:0] DB[15:0] ADDRESS DATA DS* R/W* DS* R/W* IPL[2:0] A[31:9] A[8:2] DSACK1* DTACK* FC[2:0] AS* DSACK0* SVCREQP* SVCACKP* ADDRESS DECODE LOGIC PRIORITY ENCODING TRANSFER CONTROL DMAREQ* DMAACK* DMA CONTROL |
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