Mikroelektronika MikroE Development Kits MIKROE-1104 Scheda Tecnica
Codici prodotto
MIKROE-1104
Electrical characteristics
STM32F20xxx
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DocID15818 Rev 11
Figure 56. Asynchronous non-multiplexed SRAM/PSRAM/NOR read waveforms
1. Mode 2/B, C and D only. In Mode 1, FSMC_NADV is not used.
Table 72. Asynchronous non-multiplexed SRAM/PSRAM/NOR read timings
(1)(2)
Symbol
Parameter
Min
Max
Unit
t
w(NE)
FSMC_NE low time
2T
HCLK
– 0.5
2T
HCLK
+0.5
ns
t
v(NOE_NE)
FSMC_NEx low to FSMC_NOE low
0.5
2.5
ns
t
w(NOE)
FSMC_NOE low time
2T
HCLK
- 1
2T
HCLK
+ 0.5
ns
t
h(NE_NOE)
FSMC_NOE high to FSMC_NE high hold time
0
-
ns
t
v(A_NE)
FSMC_NEx low to FSMC_A valid
-
4
ns
t
h(A_NOE)
Address hold time after FSMC_NOE high
0
-
ns
t
v(BL_NE)
FSMC_NEx low to FSMC_BL valid
-
0.5
ns
t
h(BL_NOE)
FSMC_BL hold time after FSMC_NOE high
0
-
ns
t
su(Data_NE)
Data to FSMC_NEx high setup time
T
HCLK
+ 0.5
-
ns
t
su(Data_NOE)
Data to FSMC_NOEx high setup time
T
HCLK
+ 2.5
-
ns
t
h(Data_NOE)
Data hold time after FSMC_NOE high
0
-
ns
t
h(Data_NE)
Data hold time after FSMC_NEx high
0
-
ns
t
v(NADV_NE)
FSMC_NEx low to FSMC_NADV low
-
2.5
ns
t
w(NADV
)
FSMC_NADV low time
-
T
HCLK
– 0.5
ns
Data
FSMC_NE
FSMC_NBL[1:0]
FSMC_D[15:0]
t
v(BL_NE)
t
h(Data_NE)
FSMC_NOE
Address
FSMC_A[25:0]
t
v(A_NE)
FSMC_NWE
t
su(Data_NE)
t
w(NE)
ai14991c
w(NOE)
t
t
v(NOE_NE)
t
h(NE_NOE)
t
h(Data_NOE)
t
h(A_NOE)
t
h(BL_NOE)
t
su(Data_NOE)
FSMC_NADV
(1)
t
v(NADV_NE)
t
w(NADV)