STM32F205REY6TR STMicroelectronics, STM32F205REY6TR Datasheet - Page 127

• Manufacturer Part Number: STM32F205REY6TR
• Description: ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity
• Manufacturer: STMicroelectronics

Specifications of STM32F205REY6TR

• Product Category: ARM Microcontrollers - MCU
• Rohs: yes
• Core: ARM Cortex M3
• Data Bus Width: 32 bit

STM32F20xxx
Figure 57. Asynchronous multiplexed PSRAM/NOR write waveforms
Table 73.
1. C
2. Based on characterization, not tested in production.
t
t
t
t
t
t
t
t
t
t
t
t
t
w(NE)
v(NWE_NE)
w(NWE)
h(NE_NWE)
v(A_NE)
v(NADV_NE)
w(NADV)
h(AD_NADV)
h(A_NWE)
h(BL_NWE)
v(BL_NE)
v(Data_NADV)
h(Data_NWE)
Symbol
L
= 30 pF.
FSMC_NBL[1:0]
FSMC_ AD[15:0]
FSMC_A[25:16]
FSMC_NADV
FSMC_NWE
FSMC_NOE
FSMC_NEx
Asynchronous multiplexed PSRAM/NOR write timings
FSMC_NE low time
FSMC_NEx low to FSMC_NWE low
FSMC_NWE low tim e
FSMC_NWE high to FSMC_NE high hold time
FSMC_NEx low to FSMC_A valid
FSMC_NEx low to FSMC_NADV low
FSMC_NADV low time
FSMC_AD(adress) valid hold time after
FSMC_NADV high)
Address hold time after FSMC_NWE high
FSMC_BL hold time after FSMC_NWE high
FSMC_NEx low to FSMC_BL valid
FSMC_NADV high to Data valid
Data hold time after FSMC_NWE high
Doc ID 15818 Rev 9
t
Parameter
v(NADV_NE)
t
t
t
v(A_NE)
v(A_NE)
t
t
v(NWE_NE)
v(BL_NE)
w(NADV)
Address
Address
t
t
t
v(Data_NADV)
w(NE)
h(AD_NADV)
NBL
t
w(NWE)
t
h(BL_NWE)
t
h(A_NWE)
Data
T
T
T
T
T
T
4T
HCLK
HCLK
2T
HCLK
HCLK
HCLK
T
HCLK
Min
HCLK
HCLK
Electrical characteristics
HCLK
1
-
-
-
– 0.5
– 0.5
– 2
- 1
- 1
- 1
-1
(1)(2)
t
h(Data_NWE)
t
2T
h(NE_NWE)
4T
T
T
HCLK
T
HCLK
HCLK
Max
HCLK
HCLK
0.5
0
2
-
-
-
-
-
+ 2
+2
+1
+1
ai14891B
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Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns