OMAP3530_15 Datasheet, PDF (174/265 Pages) Texas Instruments – OMAP3530 and OMAP3525 Applications Processors

OMAP3530, OMAP3525
SPRS507H – FEBRUARY 2008 – REVISED OCTOBER 2013
www.ti.com
Table 6-12. GPMC/NAND Flash Interface Switching Characteristics (continued)
NO.
PARAMETER
1.15 V
1.0 V
0.9 V
MIN
MAX
MIN
MAX
MIN
MAX
GNF6
t_{w(nWEIV-nCSIV)}
Delay time,
gpmc_nwe invalid
to gpmc_ncsx(13)
invalid
G(7) – 0.2
G(7) + 2.0
G(7) – 0.2
G(7) + 2.6 G(7) – 0.2 G(7) + 3.7
GNF7
t_w(ALEH-nWEV)
Delay time,
gpmc_nadv_ale
High to
gpmc_nwe valid
C(3) – 0.2 C(3) + 2.0 C(3) – 0.2 C(3) + 2.6 C(3) – 0.2 C(3) + 3.7
GNF8
t_{w(nWEIV-ALEIV)}
Delay time,
gpmc_nwe invalid
to
gpmc_nadv_ale
invalid
F(6) – 0.2
F(6) + 2.0
F(6) – 0.2
F(6) + 2.6 F(6) – 0.2 F(6) + 3.7
GNF9
t_c(nWE)
Cycle time, Write
cycle time
H(8)
H(8)
H(8)
GNF10 t_d(nCSV-nOEV)
Delay time,
gpmc_ncsx(13)
valid to gpmc_noe
valid
I(9) – 0.2
I(9) + 2.0
I(9) – 0.2
I(9) + 2.6 I(9) – 0.2 I(9) + 3.7
GNF13 t_w(nOEV)
Pulse duration,
gpmc_noe valid
time
K(10)
K(10)
K(10)
GNF14 t_c(nOE)
Cycle time, Read
cycle time
L(11)
L(11)
L(11)
GNF15
t_{w(nOEIV-nCSIV)}
Delay time,
gpmc_noe invalid
to gpmc_ncsx(13)
invalid
M(12) –
0.2
M(12) + M(12) – 0.2 M(12) +
2.0
2.6
M(12) –
0.2
M(12) +
3.7
(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 = ((OEOnTime – 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
(13) In gpmc_ncsx, x is equal to 0, 1, 2, 3, 4, 5, 6, or 7.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
174 TIMING REQUIREMENTS AND SWITCHING CHARACTERISTICS
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