STM32L-DISCOVERY STMicroelectronics, STM32L-DISCOVERY Datasheet - Page 122

• Manufacturer Part Number: STM32L-DISCOVERY
• Description: BOARD, EVAL, STM32L-DISCOVERY
• Manufacturer: STMicroelectronics
• Series: STM32r
• Type: MCUr

Specifications of STM32L-DISCOVERY

• Kit Contents: Board, Debugger, Programmer And Compiler
• Features: 128KB Flash Plus Multiple Timers, Analogue Peripherals
• Silicon Manufacturer: ST Micro
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: STM32
• Silicon Family Name: STM32F1xx
• Rohs Compliant: Yes
• Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: STM32L
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical characteristics
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Figure 57. Asynchronous multiplexed PSRAM/NOR write waveforms
Table 70.
1. C
2. Preliminary values.
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)
v(BL_NE)
h(BL_NWE)
v(Data_NADV)
h(Data_NWE)
Symbol
L
= 15 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 time
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 (address) valid hold time after
FSMC_NADV high
Address hold time after FSMC_NWE high
FSMC_NEx low to FSMC_BL valid
FSMC_BL hold time after FSMC_NWE high
FSMC_NADV high to Data valid
Data hold time after FSMC_NWE high
Doc ID 15818 Rev 6
Parameter
t
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
5T
2T
2T
T
3
T
T
4T
T
T
STM32F205xx, STM32F207xx
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
Min
– 1
– 1
– 3
– 1.5
– 5
– 1
– 1
(1)(2)
t
5T
2T
2T
7
5
T
1.6
T
h(Data_NWE)
t
HCLK
HCLK
h(NE_NWE)
HCLK
HCLK
HCLK
Max
+ 1
+ 1.5
+ 2
+ 1
+ 2
ai14891B
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit