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STM32F479AI 데이터시트(PDF) 164 Page - STMicroelectronics

부품명 STM32F479AI
상세설명  ARMCortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/3844KB RAM, USB OTG HS/FS, Ethernet, FMC, dual Quad-SPI, Crypto, Graphical accelerator, Camera IF, LCD-TFT & MIPI DSI
PDF  217 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM32F479AI 데이터시트(HTML) 164 Page - STMicroelectronics

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Electrical characteristics
STM32F479xx
164/217
DocID028010 Rev 3
Figure 58. 12-bit buffered/non-buffered DAC
1. The DAC integrates an output buffer that can be used to reduce the output impedance and to drive external
loads directly without the use of an external operational amplifier. The buffer can be bypassed by
configuring the BOFFx bit in the DAC_CR register.
5.3.29
FMC characteristics
Unless otherwise specified, the parameters given in Tables 88 through 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] = 11
•
Measurement points are done at CMOS levels: 0.5 VDD
Refer to Section 5.3.20 for more details on the input/output characteristics.
Asynchronous waveforms and timings
Figures 59 through 62 represent asynchronous waveforms, and Tables 88 through 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
•
Capacitive load CL = 30 pF



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