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STM32WLE4JC Folha de dados(PDF) 130 Page - STMicroelectronics |
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STM32WLE4JC Folha de dados(HTML) 130 Page - STMicroelectronics |
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130 / 145 page  Electrical characteristics STM32WLE5/E4xx 130/145 DS13105 Rev 8 SPI characteristics Unless otherwise specified, the parameters given in the table below are derived from tests performed under the ambient temperature, fPCLKx frequency and supply voltage conditions summarized in Table 25: General operating conditions, with the following configuration: • output speed set to OSPEEDRy[1:0] = 11 • capacitive load C = 30 pF • measurements done at CMOS levels: 0.5 x VDD Refer to Section 5.3.16: I/O port characteristics for more details on the input/output alternate function characteristics (NSS, SCK, MOSI, MISO for SPI). Table 92. SPI characteristics(1) Symbol Parameter Conditions Min Typ Max Unit fSCK 1/tc(SCK) SPI clock frequency Master mode 1.8 < VDD < 3.6 V, Range 1 -- 24 MHz Master transmitter mode 1.8 < VDD < 3.6 V, Range 1 24 Slave receiver mode 1.8 < VDD < 3.6 V, Range 1 24 Slave mode transmitter/full duplex 2.7 < VDD < 3.6 V, Range 1 24(2) Slave mode transmitter/full duplex 1.8 < VDD < 3.6 V, Range 1 24(2) tsu(NSS) NSS setup time Slave mode, SPI prescaler = 2 3 x TPCLK -- - th(NSS) NSS hold time Slave mode, SPI prescaler = 2 2 x TPCLK -- 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 - - ns tsu(SI) Slave mode 1 - - th(MI) Data input hold time Master mode 6 - - th(SI) Slave mode 2 - - ta(SO) Data output access time Slave mode 912 34 tdis(SO) Data output disable time 9 10 16 |
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