AM3359 datasheet(128/256 Pages) TI1

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AM3359, AM3358, AM3357, AM3356, AM3354, AM3352, AM3351

SPRS717L – OCTOBER 2011 – REVISED MARCH 2020

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Peripheral Information and Timings

Table 7-24. GPMC and NOR Flash Switching Characteristics—Synchronous Mode(2) (continued)

NO.

PARAMETER

OPP100

OPP50

UNIT

MIN

MAX

MIN

MAX

F20

tw(advnV)

Pulse duration, output address valid and

address latch enable gpmc_advn_ale low

Read

K(16)

Write

K(16)

(1) For single read: A = (CSRdOffTime – CSOnTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

For burst read: A = (CSRdOffTime – CSOnTime + (n – 1) × PageBurstAccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

For burst write: A = (CSWrOffTime – CSOnTime + (n – 1) × PageBurstAccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

With n being the page burst access number.

(2) B = ClkActivationTime × GPMC_FCLK(17)

(3) For single read: C = RdCycleTime × (TimeParaGranularity + 1) × GPMC_FCLK (17)

For burst read: C = (RdCycleTime + (n – 1) × PageBurstAccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

For burst write: C = (WrCycleTime + (n – 1) × PageBurstAccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

With n being the page burst access number.

(4) For single read: D = (RdCycleTime – AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

For burst read: D = (RdCycleTime – AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

For burst write: D = (WrCycleTime – AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

(5) For single read: E = (CSRdOffTime – AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

For burst read: E = (CSRdOffTime – AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

For burst write: E = (CSWrOffTime – AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(17)

(6) For csn falling edge (CS activated):

–

Case GpmcFCLKDivider = 0:

–

F = 0.5 × CSExtraDelay × GPMC_FCLK(17)

–

Case GpmcFCLKDivider = 1:

–

F = 0.5 × CSExtraDelay × GPMC_FCLK(17) if (ClkActivationTime and CSOnTime are odd) or (ClkActivationTime and

CSOnTime are even)

–

F = (1 + 0.5 × CSExtraDelay) × GPMC_FCLK(17) otherwise

–

Case GpmcFCLKDivider = 2:

–

F = 0.5 × CSExtraDelay × GPMC_FCLK(17) if ((CSOnTime – ClkActivationTime) is a multiple of 3)

–

F = (1 + 0.5 × CSExtraDelay) × GPMC_FCLK(17) if ((CSOnTime – ClkActivationTime – 1) is a multiple of 3)

–

F = (2 + 0.5 × CSExtraDelay) × GPMC_FCLK(17) 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(17)

–

Case GpmcFCLKDivider = 1:

–

G = 0.5 × ADVExtraDelay × GPMC_FCLK(17) if (ClkActivationTime and ADVOnTime are odd) or (ClkActivationTime and

ADVOnTime are even)

–

G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK(17) otherwise

–

Case GpmcFCLKDivider = 2:

–

G = 0.5 × ADVExtraDelay × GPMC_FCLK(17) if ((ADVOnTime – ClkActivationTime) is a multiple of 3)

–

G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK(17) if ((ADVOnTime – ClkActivationTime – 1) is a multiple of 3)

–

G = (2 + 0.5 × ADVExtraDelay) × GPMC_FCLK(17) 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(17)

–

Case GpmcFCLKDivider = 1:

–

G = 0.5 × ADVExtraDelay × GPMC_FCLK(17) if (ClkActivationTime and ADVRdOffTime are odd) or (ClkActivationTime and

ADVRdOffTime are even)

–

G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK(17) otherwise

–

Case GpmcFCLKDivider = 2:

–

G = 0.5 × ADVExtraDelay × GPMC_FCLK(17) if ((ADVRdOffTime – ClkActivationTime) is a multiple of 3)

–

G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK(17) if ((ADVRdOffTime – ClkActivationTime – 1) is a multiple of 3)

–

G = (2 + 0.5 × ADVExtraDelay) × GPMC_FCLK(17) 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(17)

–

Case GpmcFCLKDivider = 1:

–

G = 0.5 × ADVExtraDelay × GPMC_FCLK(17) if (ClkActivationTime and ADVWrOffTime are odd) or (ClkActivationTime and

ADVWrOffTime are even)

–

G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK(17) otherwise

–

Case GpmcFCLKDivider = 2:

–

G = 0.5 × ADVExtraDelay × GPMC_FCLK(17) if ((ADVWrOffTime – ClkActivationTime) is a multiple of 3)

–

G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK(17) if ((ADVWrOffTime – ClkActivationTime – 1) is a multiple of 3)

–

G = (2 + 0.5 × ADVExtraDelay) × GPMC_FCLK(17) if ((ADVWrOffTime – ClkActivationTime – 2) is a multiple of 3)

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