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STM32L4P5CEU3P bảng dữ liệu(PDF) 240 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 150 DMIPS, up to 1-MB Flash memory, 320-KB SRAM, LCD-TFT, ext. SMPS
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STM32L4P5CEU3P bảng dữ liệu(HTML) 240 Page - STMicroelectronics

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Electrical characteristics
STM32L4P5xx
240/311
DS12903 Rev 2
SPI characteristics
Unless otherwise specified, the parameters given in Table 96 for SPI are derived from tests
performed under the ambient temperature, fPCLKx frequency and supply voltage conditions
summarized in Table 21: General operating conditions.
•
Output speed is set to OSPEEDRy[1:0] = 11
•
Capacitive load C = 30 pF
•
Measurement points are done at CMOS levels: 0.5 x VDD
Refer to Section 6.3.14: I/O port characteristics for more details on the input/output alternate
function characteristics (NSS, SCK, MOSI, MISO for SPI).
Table 96. SPI characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max(2)
Unit
fSCK
1/tc(SCK)
SPI clock frequency
Master mode
2.7 V < VDD < 3.6 V
Voltage Range V1
--
60
MHz
Master mode
1.71 V < VDD < 3.6 V
Voltage Range V1
45
Master transmitter mode
1.71 V < VDD < 3.6 V
Voltage Range V1
60
Slave receiver mode
1.71 V < VDD < 3.6 V
Voltage Range V1
60
Slave mode transmitter/full duplex
2.7 V < VDD < 3.6 V
Voltage Range V1
32
Slave mode transmitter/full duplex
1.71 V < VDD < 3.6 V
Voltage Range V1
22
1.71 V < VDD < 3.6 V
Voltage Range V2
13
1.08 V < VDD < 1.32 V(3)
12
tsu(NSS) NSS setup time
Slave mode, SPI prescaler = 2
4ₓTPCLK
--
ns
th(NSS) NSS hold time
Slave mode, SPI prescaler = 2
2ₓTPCLK
--
tw(SCKH)
tw(SCKL)
SCK high and low time
Master mode
TPCLK-1
TPCLK
TPCLK+1
tsu(MI)
Data input setup time
Master mode
1.5
-
-
tsu(SI)
Slave mode
2
-
-
th(MI)
Data input hold time
Master mode
5.5
-
-
th(SI)
Slave mode
5
-
-
ta(SO)
Data output access time Slave mode
9
-
34



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