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TMS320DM643 Datasheet(PDF) 107 Page - Texas Instruments |
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TMS320DM643 Datasheet(HTML) 107 Page - Texas Instruments |
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107 / 162 page ![]() www.ti.com TMS320DM643 Video/Imaging Fixed-Point Digital Signal Processor SPRS269C – FEBRUARY 2005 – REVISED JANUARY 2007 Table 5-33. Switching Characteristics Over Recommended Operating Conditions for McASP (see Figure 5-35 and Figure 5-36) –500 –600 NO. PARAMETER UNIT MIN MAX 9 tc(AHCKRX) Cycle time, AHCLKR/X 20 ns 10 tw(AHCKRX) Pulse duration, AHCLKR/X high or low 10 ns 11 tc(CKRX) Cycle time, ACLKR/X ACLKR/X int 33 ns 12 tw(CKRX) Pulse duration, ACLKR/X high or low ACLKR/X int 16.5 ns ACLKR/X int –1 5 ns 13 td(CKRX-FRX) Delay time, ACLKR/X transmit edge to AFSX/R output valid ACLKR/X ext 0 10 ns ACLKX int –1 5 ns 14 td(CKX-AXRV) Delay time, ACLKX transmit edge to AXR output valid ACLKX ext 0 10 ns ACLKR/X int 0 10 ns Disable time, AXR high impedance following last data bit from 15 tdis(CKRX-AXRHZ) ACLKR/X transmit edge ACLKR/X ext 0 10 ns Submit Documentation Feedback DM643 Peripheral Information and Electrical Specifications 107 |
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