STM32F205REY6TR STMicroelectronics, STM32F205REY6TR Datasheet - Page 125
STM32F205REY6TR
Manufacturer Part Number
STM32F205REY6TR
Description
ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity
Manufacturer
STMicroelectronics
Datasheet
1.STM32F207VFT6TR.pdf
(177 pages)
Specifications of STM32F205REY6TR
Product Category
ARM Microcontrollers - MCU
Rohs
yes
Core
ARM Cortex M3
Data Bus Width
32 bit
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STM32F20xxx
Figure 55. Asynchronous non-multiplexed SRAM/PSRAM/NOR write waveforms
1. Mode 2/B, C and D only. In Mode 1, FSMC_NADV is not used.
Table 71.
1. C
2. Based on characterization, not tested in production.
t
t
t
t
h(Data_NWE)
t
t
v(NADV_NE)
v(NWE_NE
h(NE_NWE)
t
h(BL_NWE)
v(Data_NE)
t
Symbol
h(A_NWE)
t
t
t
v(BL_NE)
w(NADV)
w(NWE)
v(A_NE)
t
L
w(NE)
= 30 pF.
FSMC_NBL[1:0]
FSMC_NADV
FSMC_A[25:0]
FSMC_D[15:0]
FSMC_NWE
FSMC_NOE
FSMC_NEx
)
Asynchronous non-multiplexed SRAM/PSRAM/NOR write timings
FSMC_NE low time
FSMC_NEx low to FSMC_NWE low
FSMC_NWE low time
FSMC_NWE high to FSMC_NE high hold
time
FSMC_NEx low to FSMC_A valid
Address hold time after FSMC_NWE high
FSMC_NEx low to FSMC_BL valid
FSMC_BL hold time after FSMC_NWE
high
Data to FSMC_NEx low to Data valid
Data hold time after FSMC_NWE high
FSMC_NEx low to FSMC_NADV low
FSMC_NADV low time
(1)
Parameter
t
Doc ID 15818 Rev 9
t
v(NADV_NE)
v(NWE_NE)
t
v(A_NE)
t
t
t
v(BL_NE)
w(NADV)
v(Data_NE)
Address
t
w(NE)
NBL
t
w(NWE)
t
h(Data_NWE)
t
h(BL_NWE)
t
T
T
h(A_NWE)
T
T
T
HCLK
HCLK
HCLK
3T
Data
HCLK
T
HCLK
Min
HCLK
HCLK
-
-
-
-
-
– 0.5
– 0.5
+0.5
– 1
- 3
Electrical characteristics
T
T
3T
T
T
HCLK
HCLK
HCLK
HCLK
HCLK
t
Max
h(NE_NWE)
0.5
0
2
-
-
-
-
+ 0.5
+ 1.5
+ 3
+ 5
+ 4
ai14990
(1)(2)
Unit
125/177
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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