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STM32F427AI датащи(PDF) 143 Page - STMicroelectronics

номер детали STM32F427AI
подробное описание детали  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  239 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM32F427AI датащи(HTML) 143 Page - STMicroelectronics

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STM32F427xx STM32F429xx
Electrical characteristics
197
tw(SCKH)
SCK high and low time
Master mode, SPI presc = 2,
2.7 V≤VDD≤3.6 V
TPCLK − 0.5
TPCLK
TPCLK+0.5
ns
tw(SCKL)
Master mode, SPI presc = 2,
1.7 V≤VDD≤3.6 V
TPCLK − 2
TPCLK
TPCLK+2
tsu(NSS)
NSS setup time
Slave mode, SPI presc = 2
4TPCLK
--
th(NSS)
NSS hold time
Slave mode, SPI presc = 2
2TPCLK
tsu(MI)
Data input setup time
Master mode
3
-
-
tsu(SI)
Slave mode
0
-
-
th(MI)
Data input hold time
Master mode
0.5
-
-
th(SI)
Slave mode
2
-
-
ta(SO)
Data output access time Slave mode, SPI presc = 2
0
-
4TPCLK
tdis(SO)
Data output disable time
Slave mode, SPI1/4/5/6,
2.7 V≤VDD≤3.6 V
0-
8.5
Slave mode, SPI1/2/3/4/5/6 and
1.7 V≤VDD≤3.6 V
0-
16.5
tv(SO)
th(SO)
Data output valid/hold
time
Slave mode (after enable edge),
SPI1/4/5/6 and 2.7V ≤ VDD ≤ 3.6V
-11
13
ns
Slave mode (after enable edge),
SPI2/3, 2.7 V≤VDD≤3.6 V
-14
15
Slave mode (after enable edge),
SPI1/4/5/6, 1.7 V≤VDD≤3.6 V
-15.5
19
Slave mode (after enable edge),
SPI2/3, 1.7 V≤VDD≤3.6 V
-
15.5
17.5
tv(MO)
Data output valid time
Master mode (after enable edge),
SPI1/4/5/6, 2.7 V≤VDD≤3.6 V
--
2.5
Master mode (after enable edge),
SPI1/2/3/4/5/6, 1.7 V≤VDD≤3.6 V
--
4.5
th(MO)
Data output hold time
Master mode (after enable edge)
0
-
-
1. Guaranteed by characterization results.
2. Maximum frequency in Slave transmitter mode is determined by the sum of tv(SO) and tsu(MI) which has to fit into SCK low or
high phase preceding the SCK sampling edge. This value can be achieved when the SPI communicates with a master
having tsu(MI) = 0 while Duty(SCK) = 50%
Table 62. SPI dynamic characteristics(1) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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