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STM32MP151A bảng dữ liệu(PDF) 212 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  Arm® Cortex®-A7 650 MHz Cortex®-M4 MPU, TFT, 35 comm. interfaces, 25 timers, adv. analog
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STM32MP151A bảng dữ liệu(HTML) 212 Page - STMicroelectronics

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Electrical characteristics
STM32MP151A
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DS12500 Rev 1
SPI interface characteristics
Unless otherwise specified, the parameters given in Table 94 for the SPI interface are
derived from tests performed under the ambient temperature, fpclkx frequency and VDD
supply voltage conditions summarized in Table 13: General operating conditions, 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: 0.5×VDD
•
I/O compensation cell enabled
•
HSLV activated when VDD ≤ 2.7 V
Refer to Section 0.3.16: I/O port characteristics for more details on the input/output alternate
function characteristics (NSS, SCK, MOSI, MISO for SPI).
Table 93. I2C FM+ pin characteristics
Symbol
Parameter
Conditions
Min
Max
Unit
Fmax(1)
1. The maximum frequency is defined with the following conditions:
- (Tr + Tf) ≤ ⅔T
- 45% < duty cycle < 55%.
Maximum frequency
C = 50 pF
1.71 ≤ VDD ≤ 3.6 V
-1
MHz
Tf(2)
2. The fall time is defined between 70% and 30% of the output waveform accordingl to I2C specification NXP
UM10204 rev- Oct 2012.
Output high to low level fall time
-
5
ns



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