AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H – OCTOBER 2011 – REVISED MAY 2015
Table 7-30. GPMC and NAND Flash Switching Characteristics—Asynchronous Mode
OPP100
OPP50
NO.
PARAMETER
UNIT
MIN
MAX
MIN
MAX
t
R(d)
Rise time, output data gpmc_ad[15:0]
2
2
ns
t
F(d)
Fall time, output data gpmc_ad[15:0]
2
2
ns
GNF0
t
w(wenV)
Pulse duration, output write enable gpmc_wen
ns
valid
GNF1
t
d(csnV-wenV)
Delay time, output chip select gpmc_csn[x]
B
– 0.2
B
+ 2.0
B
– 5
+ 5
ns
valid to output write enable gpmc_wen valid
GNF2
t
w(cleH-wenV)
Delay time, output lower-byte enable and
C
– 0.2
+ 2.0
C
– 5
C
+ 5
ns
command latch enable gpmc_be0n_cle high to
output write enable gpmc_wen valid
GNF3
t
w(wenV-dV)
Delay time, output data gpmc_ad[15:0] valid to
D
– 0.2
+ 2.0
D
– 5
D
+ 5
ns
output write enable gpmc_wen valid
GNF4
t
w(wenIV-dIV)
Delay time, output write enable gpmc_wen
E
– 0.2
+ 5
E
– 5
+ 5
ns
invalid to output data gpmc_ad[15:0] invalid
GNF5
t
w(wenIV-cleIV)
Delay time, output write enable gpmc_wen
F
– 0.2
+ 2.0
F
– 5
F
+ 5
ns
invalid to output lower-byte enable and command
latch enable gpmc_be0n_cle invalid
GNF6
t
w(wenIV-csnIV)
Delay time, output write enable gpmc_wen
G
– 0.2
G
+ 2.0
G
– 5
+ 5
ns
invalid to output chip select gpmc_csn[x]
invalid
GNF7
t
w(aleH-wenV)
Delay time, output address valid and address
C
– 0.2
+ 2.0
C
– 5
C
+ 5
ns
latch enable gpmc_advn_ale high to output write
enable gpmc_wen valid
GNF8
t
w(wenIV-aleIV)
Delay time, output write enable gpmc_wen
F
– 0.2
+ 2.0
F
– 5
F
+ 5
ns
invalid to output address valid and address latch
enable gpmc_advn_ale invalid
GNF9
t
c(wen)
Cycle time, write
ns
GNF10
t
d(csnV-oenV)
Delay time, output chip select gpmc_csn[x]
I
– 0.2
I
+ 2.0
I
– 5
+ 5
ns
valid to output enable gpmc_oen valid
GNF13
t
w(oenV)
Pulse duration, output enable gpmc_oen valid
ns
GNF14
t
c(oen)
Cycle time, read
ns
GNF15
t
w(oenIV-csnIV)
Delay time, output enable gpmc_oen invalid to
M
– 0.2
+ 2.0
M
– 5
M
+ 5
ns
output chip select gpmc_csn[x]
invalid
(1) A = (WEOffTime – WEOnTime) × (TimeParaGranu 1) × GPMC_FCLK
(2) B = ((WEOnTime – CSOnTime) × (TimeParaGranu 1) + 0.5 × (WEExtraDelay – CSExtraDelay)) × GPMC_FCLK
(3) C = ((WEOnTime – ADVOnTime) × (TimeParaGranu 1) + 0.5 × (WEExtraDelay – ADVExtraDelay)) × GPMC_FCLK
(4) D = (WEOnTime × (TimeParaGranu 1) + 0.5 × WEExtraDelay) × GPMC_FCLK
(5) E = ((WrCycleTime – WEOffTime) × (TimeParaGranu 1) – 0.5 × WEExtraDelay) × GPMC_FCLK
(6) F = ((ADVWrOffTime – WEOffTime) × (TimeParaGranu 1) + 0.5 × (ADVExtraDelay – WEExtraDelay)) × GPMC_FCLK
(7) G = ((CSWrOffTime – WEOffTime) × (TimeParaGranu 1) + 0.5 × (CSExtraDelay – WEExtraDelay)) × GPMC_FCLK
(8) H = WrCycleTime × (1 + TimeParaGranularity) × GPMC_FCLK
(9) I = ((OEOnTime – CSOnTime) × (TimeParaGranu 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) × (TimeParaGranu 1) + 0.5 × (CSExtraDelay – OEExtraDelay)) × GPMC_FCLK
(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.
146
Peripheral Information and Timings
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