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STM8TL52X4 数据表(PDF) 64 Page - STMicroelectronics

部件名 STM8TL52X4
功能描述  Operating conditions
PDF  84 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM8TL52X4 数据表(HTML) 64 Page - STMicroelectronics

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Electrical parameters
STM8TL52x4 STM8TL53x4
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DocID022344 Rev 7
9.3.9
Communication interfaces
Serial peripheral interface (SPI)
The parameters given in Table 34 are derived from tests performed under ambient
temperature, fMASTER frequency and VDD supply voltage conditions summarized in
Section 9.3.1 on page 45
, unless otherwise specified. Refer to I/O port characteristics for
more details on the input/output alternate function characteristics (NSS, SCK, MOSI,
MISO).
Table 34. SPI characteristics
Symbol
Parameter
Conditions(1)
Min.
Max.
Unit
fSCK
1/tc(SCK)
SPI clock frequency
Master mode
0
8
MHz
Slave mode
0
8
tr(SCK)
tf(SCK)
SPI clock rise and fall time
Capacitive load: C = 30 pF
-
30
ns
tsu(NSS)(2)
NSS setup time
Slave mode
4 x tMASTER
-
th(NSS)(2)
NSS hold time
Slave mode
80
-
tw(SCKH)(2)
tw(SCKL)(2)
SCK high and low time
Master mode,
fMASTER = 8 MHz, fSCK= 4 MHz
105
145
tsu(MI) (2)
tsu(SI)(2)
Data input setup time
Master mode
30
-
Slave mode
3
-
th(MI) (2)
th(SI)(2)
Data input hold time
Master mode
15
-
Slave mode
0
-
ta(SO)(2)(3)
Data output access time
Slave mode
-
3x tMASTER
tdis(SO)(2)(4) Data output disable time
Slave mode
30
-
tv(SO) (2)
Data output valid time
Slave mode (after enable edge)
-
60
tv(MO)(2)
Data output valid time
Master mode
(after enable edge)
-20
th(SO)(2)
Data output hold time
Slave mode (after enable edge)
15
-
th(MO)(2)
Master mode
(after enable edge)
1-
1. Parameters are given by selecting 10
MHz I/O output frequency.
2. Values based on design simulation and/or characterization results, and not tested in production.
3. Min time is for the minimum time to drive the output and max time is for the maximum time to validate the data.
4. Min time is for the minimum time to invalidate the output and max time is for the maximum time to put the data in Hi
Z.



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