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Electrical characteristics STM32L475xx
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6.3.28 FSMC characteristics
Unless otherwise specified, the parameters given in Table 94 to Table 99 for the FMC 
interface are derived from tests performed under the ambient temperature, f
HCLK
 frequency 
and V
DD
 supply voltage conditions summarized in Table 23, with the following configuration:
• Output speed is set to OSPEEDRy[1:0] = 11
• Capacitive load C = 30 pF
• Measurement points are done at CMOS levels: 0.5V
DD
Refer to Section 6.3.14: I/O port characteristics for more details on the input/output 
characteristics.
Asynchronous waveforms and timings
Figure 36 and Figure 37 represent asynchronous waveforms and Table 94 through Table 97 
provide the corresponding timings. The results shown in these tables are obtained with the 
following FMC configuration:
• AddressSetupTime = 0x1
• AddressHoldTime = 0x1
• DataSetupTime = 0x1 (except for asynchronous NWAIT mode, DataSetupTime = 0x5)
• BusTurnAroundDuration = 0x0
In all timing tables, the THCLK is the HCLK clock period.
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