DRA790 Datasheet, PDF (210/436 Pages) Texas Instruments – Infotainment Applications Processor

DRA790, DRA791
DRA793, DRA797
SPRS968A – AUGUST 2016 – REVISED FEBRUARY 2017
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(1) J = AccessTime × (TimeParaGranularity + 1)
Table 5-50. GPMC/NAND Flash Interface Switching Characteristics
NO.
PARAMETER
DESCRIPTION
MIN
MAX
UNIT
-
-
GNF0
GNF1
GNF2
GNF3
GNF4
GNF5
GNF6
GNF7
GNF8
GNF9
GNF10
GNF13
GNF14
GNF15
t_r(DO)
t_f(DO)
t_w(nWEV)
t_d(nCSV-nWEV)
t_d(CLEH-nWEV)
t_d(nWEV-DV)
t_d(nWEIV-DIV)
t_{d(nWEIV-CLEIV)}
t_{d(nWEIV-nCSIV)}
t_d(ALEH-nWEV)
t_{d(nWEIV-ALEIV)}
t_c(nWE)
t_d(nCSV-nOEV)
t_w(nOEV)
t_c(nOE)
t_{d(nOEIV-nCSIV)}
Rising time, gpmc_ad[15:0] output data
Fallling time, gpmc_ad[15:0] output data
Pulse duration, gpmc_wen valid time
Delay time, gpmc_cs[7:0] valid to gpmc_wen valid
Delay time, gpmc_ben[1:0] high to gpmc_wen valid
Delay time, gpmc_ad[15:0] valid to gpmc_wen valid
Delay time, gpmc_wen invalid to gpmc_ad[15:0] invalid
Delay time, gpmc_wen invalid to gpmc_ben[1:0] invalid
Delay time, gpmc_wen invalid to gpmc_cs[7:0] invalid
Delay time, gpmc_advn_ale high to gpmc_wen valid
Delay time, gpmc_wen invalid to gpmc_advn_ale invalid
Cycle time, write cycle time
Delay time, gpmc_cs[7:0] valid to gpmc_oen_ren valid
Pulse duration, gpmc_oen_ren valid time
Cycle time, read cycle time
Delay time, gpmc_oen_ren invalid to gpmc_cs[7:0] invalid
0.447
4.067
ns
0.43
4.463
ns
A ⁽¹⁾
ns
B - 2 ⁽²⁾ B + 4 ⁽²⁾
ns
C - 2 ⁽³⁾ C + 4 ⁽³⁾
ns
D - 2 ⁽⁴⁾ D + 4 ⁽⁴⁾
ns
E - 2 ⁽⁵⁾ E + 4 ⁽⁵⁾
ns
F - 2 ⁽⁶⁾ F + 4 ⁽⁶⁾
ns
G - 2 ⁽⁷⁾ G + 4 ⁽⁷⁾
ns
C - 2 ⁽³⁾ C + 4 ⁽³⁾
ns
F - 2 ⁽⁶⁾ F + 4 ⁽⁶⁾
ns
H ⁽⁸⁾
ns
I - 2 ⁽⁹⁾
I + 4 ⁽⁹⁾
ns
K ⁽¹⁰⁾
ns
L ⁽¹¹⁾
ns
M - 2 ⁽¹²⁾ M + 4 ⁽¹²⁾
ns
(1) A = (WEOffTime – WEOnTime) × (TimeParaGranularity + 1) × GPMC_FCLK
(2) B = ((WEOnTime – CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (WEExtraDelay – CSExtraDelay)) × GPMC_FCLK
(3) C = ((WEOnTime – ADVOnTime) × (TimeParaGranularity + 1) + 0.5 × (WEExtraDelay – ADVExtraDelay)) × GPMC_FCLK
(4) D = (WEOnTime × (TimeParaGranularity + 1) + 0.5 × WEExtraDelay ) × GPMC_FCLK
(5) E = (WrCycleTime – WEOffTime × (TimeParaGranularity + 1) – 0.5 × WEExtraDelay ) × GPMC_FCLK
(6) F = (ADVWrOffTime – WEOffTime × (TimeParaGranularity + 1) + 0.5 × (ADVExtraDelay – WEExtraDelay ) × GPMC_FCLK
(7) G = (CSWrOffTime – WEOffTime × (TimeParaGranularity + 1) + 0.5 × (CSExtraDelay – WEExtraDelay ) × GPMC_FCLK
(8) H = WrCycleTime × (1 + TimeParaGranularity) × GPMC_FCLK
(9) I = ((OEOffTime + (n – 1) × PageBurstAccessTime – CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (OEExtraDelay – CSExtraDelay))
× GPMC_FCLK
(10) K = (OEOffTime – OEOnTime) × (1 + TimeParaGranularity) × GPMC_FCLK
(11) L = RdCycleTime × (1 + TimeParaGranularity) × GPMC_FCLK
(12) M = (CSRdOffTime – OEOffTime × (TimeParaGranularity + 1) + 0.5 × (CSExtraDelay – OEExtraDelay ) × GPMC_FCLK
210 Specifications
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