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OMAP3530ECBC 数据表(PDF) 165 Page - Texas Instruments |
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OMAP3530ECBC 数据表(HTML) 165 Page - Texas Instruments |
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165 / 264 page ![]() OMAP3530/25 Applications Processor www.ti.com SPRS507F – FEBRUARY 2008 – REVISED OCTOBER 2009 Table 6-8. GPMC/NOR Flash Interface Switching Characteristics – Asynchronous Mode (continued) NO. PARAMETER 1.15 V 1.0 V 0.9 V UNIT MIN MAX MIN MAX MIN MAX FA9 td(AV-nCSV) Delay time, address J(9) – 0.2 J(9) + 2.0 J(9) – 0.2 J(9) + 2.6 J(9) – 0.2 J(9) + 3.7 ns bus valid to gpmc_ncsx(13) valid FA10 td(nBEV-nCSV) Delay time, J(9) – 0.2 J(9) + 2.0 J(9) – 0.2 J(9) + 2.6 J(9) – 0.2 J(9) + 3.7 ns gpmc_nbe0_cle, gpmc_nbe1 valid to gpmc_ncsx(13) valid FA12 td(nCSV-nADVV) Delay time, K(10) – 0.2 K(10) + 2.0 K(10) – 0.2 K(10) + 2.6 K(10) – 0.2 K(10) + 3.7 ns gpmc_ncsx(13) valid to gpmc_nadv_ale valid FA13 td(nCSV-nOEV) Delay time, L(11) – 0.2 L(11) + 2.0 L(11) – 0.2 L(11) + 2.6 L(11) – 0.2 L(11) + 3.7 ns gpmc_ncsx(13) valid to gpmc_noe valid FA14 td(nCSV-IODIR) Delay time, L(11) – 0.2 L(11) + 2.0 L(11) – 0.2 L(11) + 2.6 L(11) – 0.2 L(11) + 3.7 ns gpmc_ncsx(13) valid to gpmc_io_dir high FA15 td(nCSV-IODIR) Delay time, M(14) – 0.2 M(14) + 2.0 M(14) – 0.2 M(14) + 2.6 M(14) – 0.2 M(14) + 3.7 ns gpmc_ncsx(13) valid to gpmc_io_dir low FA16 tw(AIV) Address invalid G(7) G(7) G(7) ns duration between 2 successive R/W accesses FA18 td(nCSV-nOEIV) Delay time, I(8) – 0.2 I(8) + 2.0 I(8) – 0.2 I(8) + 2.6 I(8) – 0.2 I(8) + 3.7 ns gpmc_ncsx(13) valid to gpmc_noe invalid (Burst read) FA20 tw(AV) Pulse duration, address D(4) D(4) D(4) ns valid – 2nd, 3rd, and 4th accesses FA25 td(nCSV-nWEV) Delay time, E(5) – 0.2 E(5) + 2.0 E(5) – 0.2 E(5) + 2.6 E(5) – 0.2 E(5) + 3.7 ns gpmc_ncsx(13) valid to gpmc_nwe valid FA27 td(nCSV-nWEIV) Delay time, F(6) – 0.2 F(6) + 2.0 F(6) – 0.2 F(6) + 2.6 F(6) – 0.2 F(6) + 3.7 ns gpmc_ncsx(13) valid to gpmc_nwe invalid FA28 td(nWEV-DV) Delay time, gpmc_ new 2.0 2.6 3.7 ns valid to data bus valid FA29 td(DV-nCSV) Delay time, data bus J(9) – 0.2 J(9) + 2.0 J(9) – 0.2 J(9) + 2.6 J(9) – 0.2 J(9) + 3.7 ns valid to gpmc_ncsx(13) valid FA37 td(nOEV-AIV) Delay time, gpmc_noe 2.0 2.6 3.7 ns valid to gpmc_a[16:1]_d[15:0] address phase end (1) For single read: A = (CSRdOffTime – CSOnTime) * (TimeParaGranularity + 1) * GPMC_FCLK For single write: A = (CSWrOffTime – CSOnTime) * (TimeParaGranularity + 1) * GPMC_FCLK For burst read: A = (CSRdOffTime – CSOnTime + (n – 1) * PageBurstAccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK For burst write: A = (CSWrOffTime – CSOnTime + (n – 1) * PageBurstAccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK with n being the page burst access number (2) For reading: B = ((ADVRdOffTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (ADVExtraDelay – CSExtraDelay)) * GPMC_FCLK For writing: B = ((ADVWrOffTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (ADVExtraDelay – CSExtraDelay)) * GPMC_FCLK (3) C = ((OEOffTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (OEExtraDelay – CSExtraDelay)) * GPMC_FCLK (4) D = PageBurstAccessTime * (TimeParaGranularity + 1) * GPMC_FCLK (5) E = ((WEOnTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (WEExtraDelay – CSExtraDelay)) * GPMC_FCLK (6) F = ((WEOffTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (WEExtraDelay – CSExtraDelay)) * GPMC_FCLK (7) G = Cycle2CycleDelay * GPMC_FCLK (8) I = ((OEOffTime + (n – 1) * PageBurstAccessTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (OEExtraDelay – CSExtraDelay)) * GPMC_FCLK Submit Documentation Feedback TIMING REQUIREMENTS AND SWITCHING CHARACTERISTICS 165 |
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