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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM3703CUS датащи(PDF) 162 Page - Texas Instruments |
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AM3703CUS датащи(HTML) 162 Page - Texas Instruments |
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162 / 280 page  AM3715, AM3703 SPRS616F – JUNE 2010 – REVISED AUGUST 2011 www.ti.com (1) For single read: A = (CSRdOffTime – CSOnTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) For burst read: A = (CSRdOffTime – CSOnTime + (n – 1) * PageBurstAccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) For burst write: A = (CSWrOffTime – CSOnTime + (n – 1) * PageBurstAccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) With n being the page burst access number. (2) B = ClkActivationTime * GPMC_FCLK(14) (3) For single read: C = RdCycleTime * (TimeParaGranularity + 1) * GPMC_FCLK (14) For burst read: C = (RdCycleTime + (n – 1) * PageBurstAccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) For burst write: C = (WrCycleTime + (n – 1) * PageBurstAccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) With n being the page burst access number. (4) For single read: D = (RdCycleTime – AccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) For burst read: D = (RdCycleTime – AccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) For burst write: D = (WrCycleTime – AccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) (5) For single read: E = (CSRdOffTime – AccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) For burst read: E = (CSRdOffTime – AccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) For burst write: E = (CSWrOffTime – AccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK(14) (6) For nCS falling edge (CS activated): – Case GpmcFCLKDivider = 0: – F = 0.5 * CSExtraDelay * GPMC_FCLK(14) – Case GpmcFCLKDivider = 1: – F = 0.5 * CSExtraDelay * GPMC_FCLK(14) if (ClkActivationTime and CSOnTime are odd) or (ClkActivationTime and CSOnTime are even) – F = (1 + 0.5 * CSExtraDelay) * GPMC_FCLK(14) otherwise – Case GpmcFCLKDivider = 2: – F = 0.5 * CSExtraDelay * GPMC_FCLK(14) if ((CSOnTime – ClkActivationTime) is a multiple of 3) – F = (1 + 0.5 * CSExtraDelay) * GPMC_FCLK(14) if ((CSOnTime – ClkActivationTime – 1) is a multiple of 3) – F = (2 + 0.5 * CSExtraDelay) * GPMC_FCLK(14) if ((CSOnTime – ClkActivationTime – 2) is a multiple of 3) (7) For ADV falling edge (ADV activated): – Case GpmcFCLKDivider = 0: – G = 0.5 * ADVExtraDelay * GPMC_FCLK(14) – Case GpmcFCLKDivider = 1: – G = 0.5 * ADVExtraDelay * GPMC_FCLK(14) if (ClkActivationTime and ADVOnTime are odd) or (ClkActivationTime and ADVOnTime are even) – G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK(14) otherwise – Case GpmcFCLKDivider = 2: – G = 0.5 * ADVExtraDelay * GPMC_FCLK(14) if ((ADVOnTime – ClkActivationTime) is a multiple of 3) – G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK(14) if ((ADVOnTime – ClkActivationTime – 1) is a multiple of 3) – G = (2 + 0.5 * ADVExtraDelay) * GPMC_FCLK(14) if ((ADVOnTime – ClkActivationTime – 2) is a multiple of 3) For ADV rising edge (ADV deactivated) in Reading mode: – Case GpmcFCLKDivider = 0: – G = 0.5 * ADVExtraDelay * GPMC_FCLK(14) – Case GpmcFCLKDivider = 1: – G = 0.5 * ADVExtraDelay * GPMC_FCLK(14) if (ClkActivationTime and ADVRdOffTime are odd) or (ClkActivationTime and ADVRdOffTime are even) – G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK(14) otherwise – Case GpmcFCLKDivider = 2: – G = 0.5 * ADVExtraDelay * GPMC_FCLK(14) if ((ADVRdOffTime – ClkActivationTime) is a multiple of 3) – G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK(14) if ((ADVRdOffTime – ClkActivationTime – 1) is a multiple of 3) – G = (2 + 0.5 * ADVExtraDelay) * GPMC_FCLK(14) if ((ADVRdOffTime – ClkActivationTime – 2) is a multiple of 3) For ADV rising edge (ADV deactivated) in Writing mode: – Case GpmcFCLKDivider = 0: – G = 0.5 * ADVExtraDelay * GPMC_FCLK(14) – Case GpmcFCLKDivider = 1: – G = 0.5 * ADVExtraDelay * GPMC_FCLK(14) if (ClkActivationTime and ADVWrOffTime are odd) or (ClkActivationTime and ADVWrOffTime are even) – G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK(14) otherwise – Case GpmcFCLKDivider = 2: – G = 0.5 * ADVExtraDelay * GPMC_FCLK(14) if ((ADVWrOffTime – ClkActivationTime) is a multiple of 3) – G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK(14) if ((ADVWrOffTime – ClkActivationTime – 1) is a multiple of 3) – G = (2 + 0.5 * ADVExtraDelay) * GPMC_FCLK(14) if ((ADVWrOffTime – ClkActivationTime – 2) is a multiple of 3) (8) For OE falling edge (OE activated) / IO DIR rising edge (Data Bus input direction): – Case GpmcFCLKDivider = 0: o H = 0.5 * OEExtraDelay * GPMC_FCLK(14) – Case GpmcFCLKDivider = 1: – H = 0.5 * OEExtraDelay * GPMC_FCLK(14) if (ClkActivationTime and OEOnTime are odd) or (ClkActivationTime and OEOnTime are even) – H = (1 + 0.5 * OEExtraDelay) * GPMC_FCLK(14) otherwise – Case GpmcFCLKDivider = 2: – H = 0.5 * OEExtraDelay * GPMC_FCLK(14) if ((OEOnTime – ClkActivationTime) is a multiple of 3) 162 Timing Requirements and Switching Characteristics Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): AM3715 AM3703 |
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