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Download DSP Microcomputer ADSP-2183
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ADSP-2183 Parameter Min Max Unit IDMA Write, Long Write Cycle Timing Requirements: IACK Low before Start of Write1 tIKW IAD15–0 Data Setup before IACK Low2, 3 tIKSU tIKH IAD15–0 Data Hold after IACK Low2, 3 0 0.5tCK + 10 2 Switching Characteristics: Start of Write to IACK Low4 tIKLW tIKHW Start of Write to IACK High ns ns ns 1.5tCK 15 ns ns NOTES 1 Start of Write = IS Low and IWR Low. 2 If Write Pulse ends before IACK Low, use specifications t IDSU, tIDH. 3 If Write Pulse ends after IACK Low, use specifications t IKSU, tIKH. 4 This is the earliest time for IACK Low from Start of Write. For IDMA Write Cycle relationships, please refer to the ADSP-21xx Family User’s Manual, Third Edition. tIKW IACK tIKHW tIKLW IS IWR tIKSU tIKH DATA IAD15–0 Figure 16. IDMA Write, Long Write Cycle REV. C –21–
