AM2432...ALV datasheet(168/280 Pages) TI

168 / 280 page

–

G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK(15) otherwise

•

Case GPMCFCLKDIVIDER = 2:

–

G = 0.5 × ADVExtraDelay × GPMC_FCLK(15) if ((ADVRdOffTime - ClkActivationTime) is a multiple of 3)

–

G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK(15) if ((ADVRdOffTime - ClkActivationTime - 1) is a multiple of 3)

–

G = (2 + 0.5 × ADVExtraDelay) × GPMC_FCLK(15) 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(15)

•

Case GPMCFCLKDIVIDER = 1:

–

G = 0.5 × ADVExtraDelay × GPMC_FCLK(15) if (ClkActivationTime and ADVWrOffTime are odd) or (ClkActivationTime and

ADVWrOffTime are even)

–

G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK(15) otherwise

•

Case GPMCFCLKDIVIDER = 2:

–

G = 0.5 × ADVExtraDelay × GPMC_FCLK(15) if ((ADVWrOffTime - ClkActivationTime) is a multiple of 3)

–

G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK(15) if ((ADVWrOffTime - ClkActivationTime - 1) is a multiple of 3)

–

G = (2 + 0.5 × ADVExtraDelay) × GPMC_FCLK(15) if ((ADVWrOffTime - ClkActivationTime - 2) is a multiple of 3)

(8)

For OE falling edge (OE activated) and IO DIR rising edge (Data Bus input direction):

•

Case GPMCFCLKDIVIDER = 0:

–

H = 0.5 × OEExtraDelay × GPMC_FCLK(15)

•

Case GPMCFCLKDIVIDER = 1:

–

H = 0.5 × OEExtraDelay × GPMC_FCLK(15) if (ClkActivationTime and OEOnTime are odd) or (ClkActivationTime and

OEOnTime are even)

–

H = (1 + 0.5 × OEExtraDelay) × GPMC_FCLK(15) otherwise

•

Case GPMCFCLKDIVIDER = 2:

–

H = 0.5 × OEExtraDelay × GPMC_FCLK(15) if ((OEOnTime - ClkActivationTime) is a multiple of 3)

–

H = (1 + 0.5 × OEExtraDelay) × GPMC_FCLK(15) if ((OEOnTime - ClkActivationTime - 1) is a multiple of 3)

–

H = (2 + 0.5 × OEExtraDelay) × GPMC_FCLK(15) if ((OEOnTime - ClkActivationTime - 2) is a multiple of 3)

For OE rising edge (OE deactivated):

•

Case GPMCFCLKDIVIDER = 0:

–

H = 0.5 × OEExtraDelay × GPMC_FCLK(15)

•

Case GPMCFCLKDIVIDER = 1:

–

H = 0.5 × OEExtraDelay × GPMC_FCLK(15) if (ClkActivationTime and OEOffTime are odd) or (ClkActivationTime and

OEOffTime are even)

–

H = (1 + 0.5 × OEExtraDelay) × GPMC_FCLK(15) otherwise

•

Case GPMCFCLKDIVIDER = 2:

–

H = 0.5 × OEExtraDelay × GPMC_FCLK(15) if ((OEOffTime - ClkActivationTime) is a multiple of 3)

–

H = (1 + 0.5 × OEExtraDelay) × GPMC_FCLK(15) if ((OEOffTime - ClkActivationTime - 1) is a multiple of 3)

–

H = (2 + 0.5 × OEExtraDelay) × GPMC_FCLK(15) if ((OEOffTime - ClkActivationTime - 2) is a multiple of 3)

(9)

For WE falling edge (WE activated):

•

Case GPMCFCLKDIVIDER = 0:

–

I = 0.5 × WEExtraDelay × GPMC_FCLK(15)

•

Case GPMCFCLKDIVIDER = 1:

–

I = 0.5 × WEExtraDelay × GPMC_FCLK(15) if (ClkActivationTime and WEOnTime are odd) or (ClkActivationTime and

WEOnTime are even)

–

I = (1 + 0.5 × WEExtraDelay) × GPMC_FCLK(15) otherwise

•

Case GPMCFCLKDIVIDER = 2:

–

I = 0.5 × WEExtraDelay × GPMC_FCLK(15) if ((WEOnTime - ClkActivationTime) is a multiple of 3)

–

I = (1 + 0.5 × WEExtraDelay) × GPMC_FCLK(15) if ((WEOnTime - ClkActivationTime - 1) is a multiple of 3)

–

I = (2 + 0.5 × WEExtraDelay) × GPMC_FCLK(15) if ((WEOnTime - ClkActivationTime - 2) is a multiple of 3)

For WE rising edge (WE deactivated):

•

Case GPMCFCLKDIVIDER = 0:

–

I = 0.5 × WEExtraDelay × GPMC_FCLK (15)

AM2434, AM2432, AM2431

SPRSP65D – APRIL 2021 – REVISED AUGUST 2022

www.ti.com

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