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TMS320F28335 데이터시트(PDF) 66 Page - Texas Instruments |
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TMS320F28335 데이터시트(HTML) 66 Page - Texas Instruments |
66 / 208 page CLKSRG (1 ) CLKGDV) 66 TMS320F28335, TMS320F28334, TMS320F28333, TMS320F28332 TMS320F28235, TMS320F28234, TMS320F28232 SPRS439O – JUNE 2007 – REVISED APRIL 2019 www.ti.com Submit Documentation Feedback Product Folder Links: TMS320F28335 TMS320F28334 TMS320F28333 TMS320F28332 TMS320F28235 TMS320F28234 TMS320F28232 Specifications Copyright © 2007–2019, Texas Instruments Incorporated 5.9.4.6 Multichannel Buffered Serial Port (McBSP) Timing 5.9.4.6.1 McBSP Transmit and Receive Timing (1) 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. (2) 2P = 1/CLKG in ns. CLKG is the output of sample rate generator mux. CLKG = CLKSRG can be LSPCLK, CLKX, CLKR as source. CLKSRG ≤ (SYSCLKOUT/2). McBSP performance is limited by I/O buffer switching speed. (3) Internal clock prescalers must be adjusted such that the McBSP clock (CLKG, CLKX, CLKR) speeds are not greater than the I/O buffer speed limit (25 MHz). Table 5-35. McBSP Timing Requirements(1) (2) NO. MIN MAX UNIT McBSP module clock (CLKG, CLKX, CLKR) range 1 kHz 25 (3) MHz McBSP module cycle time (CLKG, CLKX, CLKR) range 40 ns 1 ms M11 tc(CKRX) Cycle time, CLKR/X CLKR/X ext 2P ns M12 tw(CKRX) Pulse duration, CLKR/X high or CLKR/X low CLKR/X ext P – 7 ns M13 tr(CKRX) Rise time, CLKR/X CLKR/X ext 7 ns M14 tf(CKRX) Fall time, CLKR/X CLKR/X ext 7 ns M15 tsu(FRH-CKRL) Setup time, external FSR high before CLKR low CLKR int 18 ns CLKR ext 2 M16 th(CKRL-FRH) Hold time, external FSR high after CLKR low CLKR int 0 ns CLKR ext 6 M17 tsu(DRV-CKRL) Setup time, DR valid before CLKR low CLKR int 18 ns CLKR ext 2 M18 th(CKRL-DRV) Hold time, DR valid after CLKR low CLKR int 0 ns CLKR ext 6 M19 tsu(FXH-CKXL) Setup time, external FSX high before CLKX low CLKX int 18 ns CLKX ext 2 M20 th(CKXL-FXH) Hold time, external FSX high after CLKX low CLKX int 0 ns CLKX ext 6 |
유사한 부품 번호 - TMS320F28335_V02 |
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유사한 설명 - TMS320F28335_V02 |
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