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STM32L552VCU3PXXX Folha de dados(PDF) 277 Page - STMicroelectronics

Nome de Peças STM32L552VCU3PXXX
Descrição Electrónicos  Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 165 DMIPS, up to 512 KB Flash memory, 256 KB SRAM, SMPS
PDF  340 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
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STM32L552VCU3PXXX Folha de dados(HTML) 277 Page - STMicroelectronics

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STM32L552xx
Electrical characteristics
307
Figure 52. SAI slave timing waveforms
CAN (controller area network) interface
Refer to Section 5.3.15: I/O port characteristics for more details on the input/output alternate
function characteristics (FDCAN_TX and FDCAN_RX).
USART characteristics
Unless otherwise specified, the parameters given in Table 131 for USART are derived from
tests performed under the ambient temperature, fPCLKx frequency and VDD supply voltage
conditions summarized in Table 27: General operating conditions, with the following
configuration:
•
Output speed is set to OSPEEDRy[1:0] = 11
•
Capacitive load C=30pF
•
Measurement points are done at CMOS levels: 0.5VDD
Refer to Section 5.3.15: I/O port characteristics for more details on the input/output alternate
function characteristics (NSS, CK, TX, RX for USART).
MS32772V1
SAI_SCK_X
SAI_FS_X
(input)
SAI_SD_X
(transmit)
tsu(FS)
Slot n
SAI_SD_X
(receive)
tw(CKH_X)
th(FS)
Slot n+2
tv(SD_ST)
th(SD_ST)
Slot n
tsu(SD_SR)
tw(CKL_X)
th(SD_SR)
1/fSCK
Table 131. USART characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fSCK
SPI clock frequency
Master mode
1.71<VDD<3.6
--
13
MHz
Slave receiver mode
1.71<VDD<3.6
--
36
Slave mode transmitter
2.7<VDD<3.6
--
19
Slave mode transmitter
1.71<VDD<3.6
--
26



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