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STM32H757II bảng dữ liệu(PDF) 215 Page - STMicroelectronics

tên linh kiện STM32H757II
Giải thích chi tiết về linh kiện  Dual 32-bit Arm® Cortex®-M7 up to 480MHz and -M4 MCUs, 2MB Flash, 1MB RAM, 46 com. and analog interfaces, SMPS, DSI, crypto
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DS12931 Rev 1
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STM32H757xI
Electrical characteristics
230
SPI interface characteristics
Unless otherwise specified, the parameters given in Table 120 for SPI are derived from tests
performed under the ambient temperature, fPCLKx frequency and VDD supply voltage
conditions summarized in Table 23: General operating conditions, with the following
configuration:
•
Output speed is set to OSPEEDRy[1:0] = 11
•
Capacitive load CL = 30 pF
•
Measurement points are done at CMOS levels: 0.5VDD
•
IO Compensation cell activated.
•
HSLV activated when VDD ≤ 2.7 V
•
VOS level set to VOS1
Refer to Section 6.3.18: I/O port characteristics for more details on the input/output alternate
function characteristics (NSS, SCK, MOSI, MISO for SPI).
Table 120. SPI characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fSCK
SPI clock frequency
Master mode
1.62<VDD<3.6 V
SPI1, 2, 3
--
80
MHz
Master mode
2.7<VDD<3.6 V
SPI1, 2, 3
100
Master mode
1.62<VDD<3.6 V
SPI4, 5, 6
50
Slave receiver mode
1.62<VDD<3.6 V
100
Slave mode transmitter/full duplex
2.7<VDD<3.6 V
31
Slave mode transmitter/full duplex
1.62 <VDD<3.6 V
29
tsu(NSS)
NSS setup time
Slave mode
2
-
-
-
th(NSS)
NSS hold time
Slave mode
1
-
-
tw(SCKH),
tw(SCKL)
SCK high and low time
Master mode
TPCLK-2 TPCLK TPCLK+2



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