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STM32F479AI датащи(PDF) 138 Page - STMicroelectronics

номер детали STM32F479AI
подробное описание детали  8- to 14-bit parallel camera interface up to 54 Mbytes
PDF  208 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM32F479AI датащи(HTML) 138 Page - STMicroelectronics

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Electrical characteristics
STM32F479xx
138/208
DocID028010 Rev 2
SPI interface characteristics
Unless otherwise specified, the parameters given in Table 64 for the SPI interface are
derived from tests performed under the ambient temperature, fPCLKx frequency and VDD
supply voltage conditions summarized in Table 17, with the following configuration:
•
Output speed is set to OSPEEDRy[1:0] = 10
•
Capacitive load C = 30 pF
•
Measurement points are done at CMOS levels: 0.5 VDD
Refer to Section 5.3.20 for more details on the input/output alternate function characteristics
(NSS, SCK, MOSI, MISO for SPI).
1. Guaranteed based on test during characterization.
2. Spikes with widths below tAF(min) are filtered.
3. Spikes with widths above tAF(max) are not filtered
Table 64. SPI dynamic characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fSCK
1/tc(SCK)
SPI clock frequency
Master mode, 2.7 V≤VDD≤3.6 V,
SPI1,4,5,6,
--
45
MHz
Master mode, 1.71 V≤VDD≤3.6 V,
SPI1,4,5,6
-
-
22.5(2)
Master transmitter mode,
1.7 V≤VDD≤3.6 V, SPI1,4,5,6
--
45
Slave full duplex mode,
2.7 V≤VDD≤3.6 V, SPI1,4,5,6
-
-
22.5
Slave transmitter mode,
1.71 V≤VDD≤3.6 V, SPI1,4,5,6
--
33
Slave transmitter mode,
2.7 V≤VDD≤3.6 V, SPI1,4,5,6
--
45
Slave mode, 1.71 V≤VDD≤3.6 V,
SPI2,3
-
-
22.5
Duty(SCK)
Duty cycle of SPI clock
frequency
Slave mode
30
50
70
%



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