AM5728 datasheet(247/415 Pages) TI

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AM5728, AM5726

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SPRS915O – MARCH 2014 – REVISED OCTOBER 2015

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)

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)

(8) 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)

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)

(9) For WE falling edge (WE activated):

Case GpmcFCLKDivider = 0:

- I = 0.5 * WEExtraDelay * GPMC_FCLK Case GpmcFCLKDivider = 1:

- I = 0.5 * WEExtraDelay * GPMC_FCLK if (ClkActivationTime and WEOnTime are odd) or (ClkActivationTime and WEOnTime are

even)

- I = (1 + 0.5 * WEExtraDelay) * GPMC_FCLK otherwise

Case GpmcFCLKDivider = 2:

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

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

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

For WE rising edge (WE desactivated):

Case GpmcFCLKDivider = 0:

- I = 0.5 * WEExtraDelay * GPMC_FCLK Case GpmcFCLKDivider = 1:

- I = 0.5 * WEExtraDelay * GPMC_FCLK if (ClkActivationTime and WEOffTime are odd) or (ClkActivationTime and WEOffTime are

even)

- I = (1 + 0.5 * WEExtraDelay) * GPMC_FCLK otherwise Case GpmcFCLKDivider = 2:

- I = 0.5 * WEExtraDelay * GPMC_FCLK if ((WEOffTime – ClkActivationTime) is a multiple of 3)

- I = (1 + 0.5 * WEExtraDelay) * GPMC_FCLK if ((WEOffTime – ClkActivationTime – 1) is a multiple of 3)

- I = (2 + 0.5 * WEExtraDelay) * GPMC_FCLK if ((WEOffTime – ClkActivationTime – 2) is a multiple of 3)

(10) J = GPMC_FCLK period, where GPMC_FCLK is the General Purpose Memory Controller internal functional clock

(11) For read:

K = (ADVRdOffTime – ADVOnTime) * (TimeParaGranularity + 1) * GPMC_FCLK

For write: K = (ADVWrOffTime – ADVOnTime) * (TimeParaGranularity + 1) * GPMC_FCLK

(12) The gpmc_clk output clock maximum and minimum frequency is programmable in the I/F module by setting the GPMC_CONFIG1_CSx

configuration register bit fields GpmcFCLKDivider

(13) gpio6_16 programmed to MUXMODE=9 (clkout1), CM_CLKSEL_CLKOUTMUX1 programmed to 7 (CORE_DPLL_OUT_DCLK),

CM_CLKSEL_CORE_DPLL_OUT_CLK_CLKOUTMUX programmed to 1.

(14) CSEXTRADELAY = 0, ADVEXTRADELAY = 0, WEEXTRADELAY = 0, OEEXTRADELAY = 0. Extra half-GPMC_FCLK cycle delay

mode is not timed.

Timing Requirements and Switching Characteristics

247

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