OMAP4470_15 Datasheet, PDF (223/450 Pages) Texas Instruments – Multimedia Device Engineering Sample ES1.0

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OMAP4470
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SWPS048A – AUGUST 2012 – REVISED JANUARY 2013
Table 5-14. GPMC/NOR Flash Switching Characteristics—Asynchronous Mode (continued)
NO.
PARAMETER
OPP100, OPP119
OPP50
UNIT
FA3
FA4
FA9
FA10
FA12
FA13
FA14
FA15
FA16
FA18
FA20
FA25
FA27
MIN
MAX
MIN
MAX
t_{d(nCSV-nADVIV)} Delay time, gpmc_ncsx⁽¹⁴⁾
Read
B⁽²⁾ – 0.2 B⁽²⁾ + 2.0 B⁽²⁾ – 0.2 B⁽²⁾ + 2.6
ns
valid to gpmc_nadv_ale invalid _Write
B⁽²⁾ – 0.2 B⁽²⁾ + 2.0 B⁽²⁾ – 0.2 B⁽²⁾ + 2.6
ns
t_{d(nCSV-nOEIV)}
Delay time, gpmc_ncsx⁽¹⁴⁾ valid to
gpmc_noe invalid (Single read)
C⁽³⁾ – 0.2 C⁽³⁾ + 2.0 C⁽³⁾ – 0.2 C⁽³⁾ + 2.6
ns
t_d(AV-nCSV)
Delay time, address bus valid to
gpmc_ncsx⁽¹⁴⁾ valid
J⁽¹⁰⁾ – 0.2 J⁽¹⁰⁾ + 2.0 J⁽¹⁰⁾ – 0.2 J⁽¹⁰⁾ + 2.6
ns
t_d(nBEV-nCSV) Delay time, gpmc_nbe0_cle,
J⁽¹⁰⁾ – 0.2 J⁽¹⁰⁾ + 2.0 J⁽¹⁰⁾ – 0.2 J⁽¹⁰⁾ + 2.6
ns
gpmc_nbe1 valid to gpmc_ncsx⁽¹⁴⁾ valid
t_{d(nCSV-nADVV)} Delay time, gpmc_ncsx⁽¹⁴⁾ valid to
gpmc_nadv_ale valid
K⁽¹¹⁾ – 0.2 K⁽¹¹⁾ + 2.0 K⁽¹¹⁾ – 0.2 K⁽¹¹⁾ + 2.6
ns
t_d(nCSV-nOEV)
Delay time, gpmc_ncsx⁽¹⁴⁾ valid to
gpmc_noe valid
L⁽¹²⁾ – 0.2 L⁽¹²⁾ + 2.0 L⁽¹²⁾ – 0.2 L⁽¹²⁾ + 2.6
ns
t_{d(nCSV-IODIR)}
Delay time, gpmc_ncsx⁽¹⁴⁾ valid to
gpmc_io_dir high
L⁽¹²⁾ – 0.2 L⁽¹²⁾ + 2.0 L⁽¹²⁾ – 0.2 L⁽¹²⁾ + 2.6
ns
t_{d(nCSV-IODIR)}
Delay time, gpmc_ncsx⁽¹⁴⁾ valid to
gpmc_io_dir low
M⁽¹⁶⁾ – 0.2 M⁽¹⁶⁾ + 2.0 M⁽¹⁶⁾ – 0.2 M⁽¹⁶⁾ + 2.6
ns
t_w(AIV)
Address invalid duration between 2
G⁽⁷⁾
successive R/W accesses
G⁽⁷⁾
ns
t_{d(nCSV-nOEIV)}
Delay time, gpmc_ncsx⁽¹⁴⁾ valid to
gpmc_noe invalid (Burst read)
I⁽⁹⁾ – 0.2
I⁽⁹⁾ + 2.0
I⁽⁹⁾ – 0.2
I⁽⁹⁾ + 2.6
ns
t_w(AV)
Pulse duration, address valid – 2nd, 3rd,
D⁽⁴⁾
and 4th accesses
D⁽⁴⁾
ns
t_d(nCSV-nWEV)
Delay time, gpmc_ncsx⁽¹⁴⁾ valid to
gpmc_nwe valid
E⁽⁵⁾ – 0.2 E⁽⁵⁾ + 2.0 E⁽⁵⁾ – 0.2 E⁽⁵⁾ + 2.6
ns
t_{d(nCSV-nWEIV)}
Delay time, gpmc_ncsx⁽¹⁴⁾ valid to
gpmc_nwe invalid
F⁽⁶⁾ – 0.2
F⁽⁶⁾ + 2.0
F⁽⁶⁾ – 0.2
F⁽⁶⁾ + 2.6
ns
FA28
t_d(nWEV-DV)
Delay time, gpmc_ nwe valid to data bus
2
valid
2.6
ns
FA29
t_d(DV-nCSV)
Delay time, data bus valid to
gpmc_ncsx⁽¹⁴⁾ valid
J⁽¹⁰⁾ – 0.2 J⁽¹⁰⁾ + 2.0 J⁽¹⁰⁾ – 0.2 J⁽¹⁰⁾ + 2.6
ns
FA37
t_d(nOEV-AIV)
Delay time, gpmc_noe valid to
gpmc_a[16:1] address phase end
2
2.6
ns
(1) For single read: A = (CSRdOffTime – CSOnTime) * (TimeParaGranularity + 1) * GPMC_FCLK
For single write: A = (CSWrOffTime – CSOnTime) * (TimeParaGranularity + 1) * GPMC_FCLK
For burst read: A = (CSRdOffTime – CSOnTime + (n – 1) * PageBurstAccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK with n
the page burst access number
For burst write: A = (CSWrOffTime – CSOnTime + (n – 1) * PageBurstAccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK with n
the page burst access number
(2) For reading: B = ((ADVRdOffTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (ADVExtraDelay – CSExtraDelay)) * GPMC_FCLK
For writing: B = ((ADVWrOffTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (ADVExtraDelay – CSExtraDelay)) * GPMC_FCLK
(3) C = ((OEOffTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (OEExtraDelay – CSExtraDelay)) * GPMC_FCLK
(4) D = PageBurstAccessTime * (TimeParaGranularity + 1) * GPMC_FCLK
(5) E = ((WEOnTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (WEExtraDelay – CSExtraDelay)) * GPMC_FCLK
(6) F = ((WEOffTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (WEExtraDelay – CSExtraDelay)) * GPMC_FCLK
(7) G = Cycle2CycleDelay * GPMC_FCLK
(8) H = AccessTime * (TimeParaGranularity + 1)
(9) I = ((OEOffTime + (n – 1) * PageBurstAccessTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (OEExtraDelay – CSExtraDelay)) *
GPMC_FCLK
(10) J = (CSOnTime * (TimeParaGranularity + 1) + 0.5 * CSExtraDelay) * GPMC_FCLK
(11) K = ((ADVOnTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (ADVExtraDelay – CSExtraDelay)) * GPMC_FCLK
(12) L = ((OEOnTime – CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (OEExtraDelay – CSExtraDelay)) * GPMC_FCLK
(13) For single read: N = RdCycleTime * (TimeParaGranularity + 1) * GPMC_FCLK
For single write: N = WrCycleTime * (TimeParaGranularity + 1) * GPMC_FCLK
For burst read: N = (RdCycleTime + (n – 1) * PageBurstAccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK
For burst write: N = (WrCycleTime + (n – 1) * PageBurstAccessTime) * (TimeParaGranularity + 1) * GPMC_FCLK
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Timing Requirements and Switching Characteristics 223
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