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STM32F745VG Fiches technique(PDF) 156 Page - STMicroelectronics

No de pièce STM32F745VG
Description  ARM-based Cortex-M7 32b MCUFPU, 462DMIPS, up to 1MB Flash/32016 4KB RAM, USB OTG HS/FS, ethernet, 18 TIMs, 3 ADCs, 25 com itf, cam & LCD
PDF  227 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F745VG Fiches technique(HTML) 156 Page - STMicroelectronics

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Electrical characteristics
STM32F745xx STM32F746xx
156/227
DocID027590 Rev 4
SPI interface characteristics
Unless otherwise specified, the parameters given in Table 76 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] = 11
•
Capacitive load C = 30 pF
•
Measurement points are done at CMOS levels: 0.5VDD
Refer to Section 5.3.17: I/O port characteristics for more details on the input/output alternate
function characteristics (NSS, SCK, MOSI, MISO for SPI).
Table 76. SPI dynamic characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fSCK
1/tc(SCK)
SPI clock frequency
Master mode
SPI1,4,5,6
2.7≤VDD≤3.6
--
54(2)
MHz
Master mode
SPI1,4,5,6
1.71≤VDD≤3.6
27
Master transmitter mode
SPI1,4,5,6
1.71≤VDD≤3.6
54
Slave receiver mode
SPI1,4,5,6
1.71≤VDD≤3.6
54
Slave mode transmitter/full duplex
SPI1,4,5,6
2.7≤VDD≤3.6
50(3)
Slave mode transmitter/full duplex
SPI1,4,5,6
1.71≤VDD≤3.6
38(3)
Master & Slave mode
SPI2,3
1.71≤VDD≤3.6
27
tsu(NSS)
NSS setup time
Slave mode, SPI presc = 2
4*Tpclk
-
-
ns
th(NSS)
NSS hold time
Slave mode, SPI presc = 2
2*Tpclk
-
-
tw(SCKH)
tw(SCKL)
SCK high and low time
Master mode
Tpclk-2
Tpclk
Tpclk+2



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