TDA4AL...ALZQ1 datasheet(176/251 Pages) TI

176 / 251 page

NO.

PARAMETER

DESCRIPTION

MODE(15)

MIN

MAX

UNIT

133 MHz(16)

FA25 td(csnV-wenV)

Delay time, output chip select GPMC_CSn[i](13)

valid to output write enable GPMC_WEn valid

div_by_1_mode;

GPMC_FCLK_MUX;

TIMEPARAGRANULARITY_

E(5)- 2.55 E(5)+ 2.65

FA27 td(csnV-wenIV)

Delay time, output chip select GPMC_CSn[i](13)

valid to output write enable GPMC_WEn invalid

div_by_1_mode;

GPMC_FCLK_MUX;

TIMEPARAGRANULARITY_

F(6)- 2.55 F(6)+ 2.65

FA28 td(wenV-dV)

Delay time, output write enable GPMC_WEn valid

to output data GPMC_AD[15:0] valid

div_by_1_mode;

GPMC_FCLK_MUX;

TIMEPARAGRANULARITY_

2.65

FA29 td(dV-csnV)

Delay time, output data GPMC_AD[15:0] valid to

output chip select GPMC_CSn[i](13) valid

div_by_1_mode;

GPMC_FCLK_MUX;

TIMEPARAGRANULARITY_

J(9)- 2.55 J(9)+ 2.65

FA37 td(oenV-aIV)

Delay time, output enable GPMC_OEn_REn valid

to output address GPMC_AD[15:0] phase end

div_by_1_mode;

GPMC_FCLK_MUX;

TIMEPARAGRANULARITY_

2.65

(1)

For single read: A = (CSRdOffTime - CSOnTime) × (TimeParaGranularity + 1) × GPMC_FCLK(14)

For single write: A = (CSWrOffTime - 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)

For reading: B = ((ADVRdOffTime - CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (ADVExtraDelay - CSExtraDelay)) ×

GPMC_FCLK(14)

For writing: B = ((ADVWrOffTime - CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (ADVExtraDelay - CSExtraDelay)) ×

GPMC_FCLK(14)

(3)

C = ((OEOffTime - CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (OEExtraDelay - CSExtraDelay)) × GPMC_FCLK(14)

(4)

D = PageBurstAccessTime × (TimeParaGranularity + 1) × GPMC_FCLK(14)

(5)

E = ((WEOnTime - CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (WEExtraDelay - CSExtraDelay)) × GPMC_FCLK(14)

(6)

F = ((WEOffTime - CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (WEExtraDelay - CSExtraDelay)) × GPMC_FCLK(14)

(7)

G = Cycle2CycleDelay × GPMC_FCLK(14)

(8)

I = ((OEOffTime + (n - 1) × PageBurstAccessTime - CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (OEExtraDelay - CSExtraDelay))

× GPMC_FCLK(14)

(9)

J = (CSOnTime × (TimeParaGranularity + 1) + 0.5 × CSExtraDelay) × GPMC_FCLK(14)

(10) K = ((ADVOnTime - CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (ADVExtraDelay - CSExtraDelay)) × GPMC_FCLK(14)

(11) L = ((OEOnTime - CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (OEExtraDelay - CSExtraDelay)) × GPMC_FCLK(14)

(12) For single read: N = RdCycleTime × (TimeParaGranularity + 1) × GPMC_FCLK(14)

For single write: N = WrCycleTime × (TimeParaGranularity + 1) × GPMC_FCLK(14)

For burst read: N = (RdCycleTime + (n - 1) × PageBurstAccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(14)

For burst write: N = (WrCycleTime + (n - 1) × PageBurstAccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK(14)

(13) In GPMC_CSn[i], i is equal to 0, 1, 2 or 3.

(14) GPMC_FCLK is general-purpose memory controller internal functional clock period in ns.

(15) For div_by_1_mode:

•

GPMC_CONFIG1_i Register: GPMCFCLKDIVIDER = 0h:

–

GPMC_CLK frequency = GPMC_FCLK frequency

•

CTRLMMR_GPMC_CLKSEL[1-0] CLK_SEL = 00 = CPSWHSDIV_CLKOUT3 = 2000/15 = 133.33 MHz

•

GPMC_CONFIG1_i Register: TIMEPARAGRANULARITY = 0h = x1 latencies (affecting RD/WRCYCLETIME, RD/

WRACCESSTIME, PAGEBURSTACCESSTIME, CSONTIME, CSRD/WROFFTIME, ADVONTIME, ADVRD/WROFFTIME,

OEONTIME, OEOFFTIME, WEONTIME, WEOFFTIME, CYCLE2CYCLEDELAY, BUSTURNAROUND, TIMEOUTSTARTVALUE,

WRDATAONADMUXBUS)

(16) For 133 MHz:

•

CTRLMMR_GPMC_CLKSEL[1-0] CLK_SEL = 00 = MAIN_PLL0_HSDIV3_CLKOUT

TDA4VE-Q1, TDA4AL-Q1, TDA4VL-Q1

SPRSP62 – DECEMBER 2022

www.ti.com

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