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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS320VC5470ZHKA датащи(PDF) 73 Page - Texas Instruments |
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TMS320VC5470ZHKA датащи(HTML) 73 Page - Texas Instruments |
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73 / 94 page  Electrical Specifications 64 December 2001 − Revised December 2002 SPRS017B 6.11.2 McBSP General-Purpose Timings Table 6−18 and Table 6−19 assume testing over recommended operating conditions (see Figure 6−18). Table 6−18. McBSP General-Purpose Timing Requirements MIN MAX UNIT tsu(BGPIO-COH) Setup time, BGPIOx input mode before DSP_CLKOUT high† 9 ns th(COH-BGPIO) Hold time, BGPIOx input mode after DSP_CLKOUT high† 0 ns † BGPIOx refers to BCLKRx, BFSRx, BDRx, BCLKXx, or BFSXx when configured as a general-purpose input. Table 6−19. McBSP General-Purpose Switching Characteristics PARAMETER MIN MAX UNIT td(COH-BGPIO) Delay time, DSP_CLKOUT high to BGPIOx output mode‡ −10 10 ns ‡ BGPIOx refers to BCLKRx, BFSRx, BCLKXx, BFSXx, or BDXx when configured as a general-purpose output. NOTE: Only the DSP subsystem can access the McBSPs as GPIOs; they are not available to the ARM subsystem. tsu(BGPIO-COH) th(COH-BGPIO) td(COH-BGPIO) DSP_CLKOUT BGPIOx Input Mode† BGPIOx Output Mode‡ † BGPIOx refers to BCLKRx, BFSRx, BDRx, BCLKXx, or BFSXx when configured as a general-purpose input. ‡ BGPIOx refers to BCLKRx, BFSRx, BCLKXx, BFSXx, or BDXx when configured as a general-purpose output. Figure 6−18. McBSP General-Purpose I/O Timings |
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