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STM32F745xx STM32F746xx Electrical characteristics
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5.3.27 FMC characteristics
Unless otherwise specified, the parameters given in Table  88 to Table 101 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 17, with the following configuration: 
• Output speed is set to OSPEEDRy[1:0] = 11 
• Measurement points are done at CMOS levels: 0.5V
DD
Refer to Section 5.3.17: I/O port characteristics for more details on the input/output 
characteristics.
Asynchronous waveforms and timings
Figure 58 through Figure 61 represent asynchronous waveforms and Table 88 through 
Table 95 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
• Capcitive load CL = 30 pF
In all timing tables, the T
HCLK
 is the HCLK clock period
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