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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS320VC5471GHKA датащи(PDF) 73 Page - Texas Instruments |
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TMS320VC5471GHKA датащи(HTML) 73 Page - Texas Instruments |
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73 / 97 page  Electrical Specifications 64 June 2001 – Revised December 2002 SPRS180C 6.11 Multichannel Buffered Serial Port (McBSP) Timings 6.11.1 McBSP Receive and Transmit Timings Table 6–16 and Table 6–17 assume testing over recommended operating conditions and H = 0.5tc(CO) (see Figure 6–16 and Figure 6–17). NOTE: Polarity bits CLKRP = CLKXP = FSRP = FSXP = 0. If the polarity of any of the signals is inverted, then the timing references of that signal are also inverted. Table 6–16. McBSP Receive and Transmit Timing Requirements MIN MAX UNIT tc(BCKRX) Cycle time, BCLK_R/X BCLK_R/X ext 4H ns tw(BCKRX) Pulse duration, BCLK_R/X or BCLK_R/X high BCLK_R/X ext 2H–1 ns t Hold time external BFSR high after BCLKR low BCLKR int 0 ns th(BCKRL-BFRH) Hold time, external BFSR high after BCLKR low BCLKR ext 7 ns t Hold time BDR valid after BCLKR low BCLKR int 0 ns th(BCKRL-BDRV) Hold time, BDR valid after BCLKR low BCLKR ext 7 ns t Hold time external BFSX high after BCLKX low BCLKX int 0 ns th(BCKXL-BFXH) Hold time, external BFSX high after BCLKX low BCLKX ext 7 ns t Setup time external BFSR high before BCLKR low BCLKR int 9 ns tsu(BFRH-BCKRL) Setup time, external BFSR high before BCLKR low BCLKR ext 2 ns t Setup time BDR valid before BCLKR low BCLKR int 9 ns tsu(BDRV-BCKRL) Setup time, BDR valid before BCLKR low BCLKR ext 2 ns t Setup time external BFSX high before BCLKX low BCLKX int 9 ns tsu(BFXH-BCKXL) Setup time, external BFSX high before BCLKX low BCLKX ext 2 ns tr(BCKRX) Rise time, BCLKR_R/X BCLK_R/X ext 5 ns tf(BCKRX) Fall time, BCLKR_R/X BCLK_R/X ext 5 ns |
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