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STM32F427NET7 数据表(PDF) 163 Page - STMicroelectronics

部件名 STM32F427NET7
功能描述  ARM Cortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 comm. interfaces, camera & LCD-TFT
PDF  231 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F427NET7 数据表(HTML) 163 Page - STMicroelectronics

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STM32F427xx STM32F429xx
Electrical characteristics
192
6.3.26
FMC characteristics
Unless otherwise specified, the parameters given in Table 86 to Table 101 for the FMC
interface are derived from tests performed under the ambient temperature, fHCLK frequency
and VDD supply voltage conditions summarized in Table 17, with the following configuration:
•
Output speed is set to OSPEEDRy[1:0] = 10 except at VDD range 1.7 to 2.1V where
OSPEEDRy[1:0] = 11
•
Measurement points are done at CMOS levels: 0.5VDD
Refer to Section 6.3.17: I/O port characteristics for more details on the input/output
characteristics.
Asynchronous waveforms and timings
Figure 55 through Figure 58 represent asynchronous waveforms and Table 86 through
Table 93 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
•
For SDRAM memories, VDD ranges from 2.7 to 3.6 V and maximum frequency
FMC_SDCLK = 90 MHz
•
For Mobile LPSDR SDRAM memories, VDD ranges from 1.7 to 1.95 V and maximum
frequency FMC_SDCLK = 84 MHz



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