DM385, DM388
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SPRS821D –MARCH 2013–REVISED DECEMBER 2013
Table 8-30. Switching Characteristics Over Recommended Operating Conditions for GPMC and NOR
Flash Interface - Asynchronous Mode (continued)
(see Figure 8-27, Figure 8-28, Figure 8-29, Figure 8-30 for Non-Multiplexed Modes)
(see Figure 8-31, Figure 8-32 for Multiplexed Modes)
OPP100/OPP120/Turb
o/Nitro
NO
.
PARAMETER
UNIT
MIN
MAX
28 td(nCSV-nWEIV)
29 td(nWEV-DV)
30 td(DV-nCSV)
37 td(ADVV-AIV)
Delay time, GPMC_CS[x] valid to GPMC_WE invalid
F - 0.2(12) F + 2.0(12)
ns
ns
ns
ns
Delay time, GPMC_WE valid to GPMC_D[15:0] data bus valid
Delay time, GPMC_D[15:0] data bus valid to GPMC_CS[x] valid
Delay time, GPMC_ADV_ALE valid to GPMC_D[15:0] address invalid
2.0
J - 0.2(5)
J + 2.0(5)
2.0
Delay time, GPMC_OE_RE valid to GPMC_D[15:0] address/data busses phase
end
38 td(nOEV-AIV)
39 td(AIV-ADVV)
2.0
2.0
ns
ns
Delay time, GPMC_D[15:0] address valid to GPMC_ADV_ALE invalid
(12) = F - nCS Max Delay + nWE Min Delay
F = ((WEOffTime - CSOnTime) * (TimeParaGranularity + 1) + 0.5 * (WEExtraDelay - CSExtraDelay)) * GPMC_FCLK
GPMC_FCLK
GPMC_CLK
6
2
GPMC_CS[x]
10
GPMC_A[10:1]
GPMC_BE1
Valid Address
1
11
11
1
GPMC_BE0_CLE
GPMC_ADV_ALE
4
13
5
14
GPMC_OE
GPMC_D[15:0]
Data In 0
Data In 0
GPMC_WAIT[x]
Figure 8-27. GPMC/Non-Multiplexed NOR Flash - Asynchronous Read - Single Word Timing
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Peripheral Information and Timings
191
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