English
Language : 

AMIC110 Datasheet, PDF (129/214 Pages) Texas Instruments – Sitara Processors
www.ti.com
AMIC110
SPRS971A – AUGUST 2016 – REVISED SEPTEMBER 2016
Table 7-15. GPMC and NAND Flash Switching Characteristics—Asynchronous Mode
NO.
PARAMETER
OPP100
MIN
MAX
OPP50
UNIT
MIN
MAX
tR(d)
tF(d)
GNF0 tw(wenV)
GNF1 td(csnV-wenV)
Rise time, output data gpmc_ad[15:0]
Fall time, output data gpmc_ad[15:0]
Pulse duration, output write enable gpmc_wen
valid
Delay time, output chip select gpmc_csn[x](13)
valid to output write enable gpmc_wen valid
2
2
A(1)
B(2) – 0.2 B(2) + 2.0
A(1)
B(2) – 5
2 ns
2 ns
ns
B(2) + 5 ns
GNF2 tw(cleH-wenV)
Delay time, output lower-byte enable and
command latch enable gpmc_be0n_cle high to
output write enable gpmc_wen valid
C(3) – 0.2 C(3) + 2.0
C(3) – 5
C(3) + 5 ns
GNF3 tw(wenV-dV)
Delay time, output data gpmc_ad[15:0] valid to
output write enable gpmc_wen valid
D(4) – 0.2 D(4) + 2.0
D(4) – 5
D(4) + 5 ns
GNF4 tw(wenIV-dIV)
Delay time, output write enable gpmc_wen
invalid to output data gpmc_ad[15:0] invalid
E(5) – 0.2
E(5) + 5
E(5) – 5
E(5) + 5 ns
GNF5 tw(wenIV-cleIV)
Delay time, output write enable gpmc_wen
invalid to output lower-byte enable and command
latch enable gpmc_be0n_cle invalid
F(6) – 0.2
F(6) + 2.0
F(6) – 5
F(6) + 5 ns
GNF6 tw(wenIV-csnIV)
Delay time, output write enable gpmc_wen
invalid to output chip select gpmc_csn[x](13)
invalid
G(7) – 0.2 G(7) + 2.0
G(7) – 5
G(7) + 5 ns
GNF7 tw(aleH-wenV)
Delay time, output address valid and address
latch enable gpmc_advn_ale high to output write
enable gpmc_wen valid
C(3) – 0.2 C(3) + 2.0
C(3) – 5
C(3) + 5 ns
GNF8 tw(wenIV-aleIV)
GNF9 tc(wen)
GNF10 td(csnV-oenV)
GNF13 tw(oenV)
GNF14 tc(oen)
GNF15 tw(oenIV-csnIV)
Delay time, output write enable gpmc_wen
invalid to output address valid and address latch
enable gpmc_advn_ale invalid
Cycle time, write
Delay time, output chip select gpmc_csn[x](13)
valid to output enable gpmc_oen valid
Pulse duration, output enable gpmc_oen valid
Cycle time, read
F(6) – 0.2 F(6) + 2.0
I(9) – 0.2
L(11)
H(8)
I(9) + 2.0
K(10)
F(6) – 5
I(9) – 5
L(11)
F(6) + 5 ns
H(8) ns
I(9) + 5 ns
K(10)
ns
ns
Delay time, output enable gpmc_oen invalid to
output chip select gpmc_csn[x](13) invalid
M(12) – 0.2 M(12) + 2.0 M(12) – 5 M(12) + 5
ns
(1) A = (WEOffTime – WEOnTime) × (TimeParaGranularity + 1) × GPMC_FCLK(14)
(2) B = ((WEOnTime – CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (WEExtraDelay – CSExtraDelay)) × GPMC_FCLK(14)
(3) C = ((WEOnTime – ADVOnTime) × (TimeParaGranularity + 1) + 0.5 × (WEExtraDelay – ADVExtraDelay)) × GPMC_FCLK(14)
(4) D = (WEOnTime × (TimeParaGranularity + 1) + 0.5 × WEExtraDelay) × GPMC_FCLK(14)
(5) E = ((WrCycleTime – WEOffTime) × (TimeParaGranularity + 1) – 0.5 × WEExtraDelay) × GPMC_FCLK(14)
(6) F = ((ADVWrOffTime – WEOffTime) × (TimeParaGranularity + 1) + 0.5 × (ADVExtraDelay – WEExtraDelay)) × GPMC_FCLK(14)
(7) G = ((CSWrOffTime – WEOffTime) × (TimeParaGranularity + 1) + 0.5 × (CSExtraDelay – WEExtraDelay)) × GPMC_FCLK(14)
(8) H = WrCycleTime × (1 + TimeParaGranularity) × GPMC_FCLK(14)
(9) I = ((OEOnTime – CSOnTime) × (TimeParaGranularity + 1) + 0.5 × (OEExtraDelay – CSExtraDelay)) × GPMC_FCLK(14)
(10) K = (OEOffTime – OEOnTime) × (1 + TimeParaGranularity) × GPMC_FCLK(14)
(11) L = RdCycleTime × (1 + TimeParaGranularity) × GPMC_FCLK(14)
(12) M = ((CSRdOffTime – OEOffTime) × (TimeParaGranularity + 1) + 0.5 × (CSExtraDelay – OEExtraDelay)) × GPMC_FCLK(14)
(13) In gpmc_csn[x], x is equal to 0, 1, 2, 3, 4, or 5.
(14) GPMC_FCLK is general-purpose memory controller internal functional clock period in ns.
Copyright © 2016, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: AMIC110
Peripheral Information and Timings 129