DRA722_17 Datasheet, PDF (225/408 Pages) Texas Instruments – Infotainment Applications Processor

www.ti.com
DRA722, DRA724, DRA725, DRA726
SPRS956B – MARCH 2016 – REVISED JANUARY 2017
(8) For ADV falling edge (ADV activated):
Case GpmcFCLKDivider = 0 :
G = 0.5 * ADVExtraDelay * GPMC_FCLK
Case GpmcFCLKDivider = 1:
G = 0.5 * ADVExtraDelay * GPMC_FCLK if (ClkActivationTime and ADVOnTime are odd) or (ClkActivationTime and ADVOnTime are
even)
G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK otherwise
Case GpmcFCLKDivider = 2:
G = 0.5 * ADVExtraDelay * GPMC_FCLK if ((ADVOnTime - ClkActivationTime) is a multiple of 3)
G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVOnTime - ClkActivationTime - 1) is a multiple of 3)
G = (2 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVOnTime - ClkActivationTime - 2) is a multiple of 3)
For ADV rising edge (ADV desactivated) in Reading mode:
Case GpmcFCLKDivider = 0:
G = 0.5 * ADVExtraDelay * GPMC_FCLK
Case GpmcFCLKDivider = 1:
G = 0.5 * ADVExtraDelay * GPMC_FCLK if (ClkActivationTime and ADVRdOffTime are odd) or (ClkActivationTime and ADVRdOffTime
are even)
G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK otherwise
Case GpmcFCLKDivider = 2:
G = 0.5 * ADVExtraDelay * GPMC_FCLK if ((ADVRdOffTime - ClkActivationTime) is a multiple of 3)
G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVRdOffTime - ClkActivationTime - 1) is a multiple of 3)
G = (2 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVRdOffTime - ClkActivationTime - 2) is a multiple of 3)
Case GpmcFCLKDivider = 3:
G = 0.5 * ADVExtraDelay * GPMC_FCLK if ((ADVRdOffTime - ClkActivationTime) is a multiple of 4)
G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVRdOffTime - ClkActivationTime - 1) is a multiple of 4)
G = (2 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVRdOffTime - ClkActivationTime - 2) is a multiple of 4)
G = (3 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVRdOffTime - ClkActivationTime - 3) is a multiple of 4)
For ADV rising edge (ADV desactivated) in Writing mode:
Case GpmcFCLKDivider = 0:
G = 0.5 * ADVExtraDelay * GPMC_FCLK
Case GpmcFCLKDivider = 1:
G = 0.5 * ADVExtraDelay * GPMC_FCLK if (ClkActivationTime and ADVWrOffTime are odd) or (ClkActivationTime and ADVWrOffTime
are even)
G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK otherwise
Case GpmcFCLKDivider = 2:
G = 0.5 * ADVExtraDelay * GPMC_FCLK if ((ADVWrOffTime - ClkActivationTime) is a multiple of 3)
G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVWrOffTime - ClkActivationTime - 1) is a multiple of 3)
G = (2 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVWrOffTime - ClkActivationTime - 2) is a multiple of 3)
Case GpmcFCLKDivider = 3:
G = 0.5 * ADVExtraDelay * GPMC_FCLK if ((ADVWrOffTime - ClkActivationTime) is a multiple of 4)
G = (1 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVWrOffTime - ClkActivationTime - 1) is a multiple of 4)
G = (2 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVWrOffTime - ClkActivationTime - 2) is a multiple of 4)
G = (3 + 0.5 * ADVExtraDelay) * GPMC_FCLK if ((ADVWrOffTime - ClkActivationTime - 3) is a multiple of 4)
(9) For OE falling edge (OE activated):
Case GpmcFCLKDivider = 0:
- H = 0.5 * OEExtraDelay * GPMC_FCLK
Case GpmcFCLKDivider = 1:
- H = 0.5 * OEExtraDelay * GPMC_FCLK if (ClkActivationTime and OEOnTime are odd) or (ClkActivationTime and OEOnTime are even)
- H = (1 + 0.5 * OEExtraDelay) * GPMC_FCLK otherwise
Case GpmcFCLKDivider = 2:
- H = 0.5 * OEExtraDelay * GPMC_FCLK if ((OEOnTime - ClkActivationTime) is a multiple of 3)
- H = (1 + 0.5 * OEExtraDelay) * GPMC_FCLK if ((OEOnTime - ClkActivationTime - 1) is a multiple of 3)
- H = (2 + 0.5 * OEExtraDelay) * GPMC_FCLK if ((OEOnTime - ClkActivationTime - 2) is a multiple of 3)
Case GpmcFCLKDivider = 3:
- H = 0.5 * OEExtraDelay * GPMC_FCLK if ((OEOnTime - ClkActivationTime) is a multiple of 4)
- H = (1 + 0.5 * OEExtraDelay) * GPMC_FCLK if ((OEOnTime - ClkActivationTime - 1) is a multiple of 4)
- H = (2 + 0.5 * OEExtraDelay) * GPMC_FCLK if ((OEOnTime - ClkActivationTime - 2) is a multiple of 4)
- H = (3 + 0.5 * OEExtraDelay)) * GPMC_FCLK if ((OEOnTime - ClkActivationTime - 3) is a multiple of 4)
For OE rising edge (OE desactivated):
Case GpmcFCLKDivider = 0:
- H = 0.5 * OEExtraDelay * GPMC_FCLK
Case GpmcFCLKDivider = 1:
- H = 0.5 * OEExtraDelay * GPMC_FCLK if (ClkActivationTime and OEOffTime are odd) or (ClkActivationTime and OEOffTime are even)
- H = (1 + 0.5 * OEExtraDelay) * GPMC_FCLK otherwise
Case GpmcFCLKDivider = 2:
- H = 0.5 * OEExtraDelay * GPMC_FCLK if ((OEOffTime - ClkActivationTime) is a multiple of 3)
- H = (1 + 0.5 * OEExtraDelay) * GPMC_FCLK if ((OEOffTime - ClkActivationTime - 1) is a multiple of 3)
- H = (2 + 0.5 * OEExtraDelay) * GPMC_FCLK if ((OEOffTime - ClkActivationTime - 2) is a multiple of 3)
Case GpmcFCLKDivider = 3:
- H = 0.5 * OEExtraDelay * GPMC_FCLK if ((OEOffTime - ClkActivationTime) is a multiple of 4)
- H = (1 + 0.5 * OEExtraDelay) * GPMC_FCLK if ((OEOffTime - ClkActivationTime - 1) is a multiple of 4)
- H = (2 + 0.5 * OEExtraDelay) * GPMC_FCLK if ((OEOffTime - ClkActivationTime - 2) is a multiple of 4)
Copyright © 2016–2017, Texas Instruments Incorporated
Timing Requirements and Switching Characteristics 225
Submit Documentation Feedback
Product Folder Links: DRA722 DRA724 DRA725 DRA726