Datasheet

Electrical characteristics STM32F765xx STM32F767xx STM32F768Ax STM32F769xx
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SPI interface characteristics
Unless otherwise specified, the parameters given in Table 86 for the SPI interface are
derived from tests performed under the ambient temperature, f
PCLKx
frequency and V
DD
supply voltage conditions summarized in
Table 18, 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: 0.5V
DD
Refer to Section 5.3.20: I/O port characteristics for more details on the input/output alternate
function characteristics (NSS, SCK, MOSI, MISO for SPI).
Table 86. SPI dynamic characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
f
SCK
1/t
c(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
37
(3)
Master & Slave mode
SPI2,3
1.71VDD3.6
27
tsu(NSS) NSS setup time Slave mode, SPI presc = 2 4*T
PLCK
--
ns
th(NSS) NSS hold time Slave mode, SPI presc = 2 2*T
PLCK
--
tw(SCKH)
tw(SCKL)
SCK high and low time Master mode T
PLCK
- 2 T
PLCK
T
PLCK
+ 2
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