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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F303VB датащи(PDF) 96 Page - STMicroelectronics |
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STM32F303VB датащи(HTML) 96 Page - STMicroelectronics |
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96 / 148 page  Electrical characteristics STM32F303xB STM32F303xC 96/148 DocID023353 Rev 13 SPI/I2S characteristics Unless otherwise specified, the parameters given in Table 63 for SPI or in Table 64 for I2S are derived from tests performed under ambient temperature, fPCLKx frequency and VDD supply voltage conditions summarized in Table 24. 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 and WS, CK, SD for I2S). Table 63. SPI characteristics(1) Symbol Parameter Conditions Min Typ Max Unit fSCK 1/tc(SCK) SPI clock frequency Master mode, SPI1 2.7<VDD<3.6 -- 24 MHz Slave mode, SPI1 2.7<VDD<3.6 24 Master mode, SPI1/2/3 2<VDD<3.6 18 Slave mode, SPI1/2/3 2<VDD<3.6 18 DuCy(SCK) Duty cycle of SPI clock frequency Slave mode 30 50 70 % tsu(NSS) NSS setup time Slave mode, SPI presc = 2 4*Tpclk - - ns th(NSS) NSS hold time Slave mode, SPI presc = 2 2*Tpclk - - tw(SCKH) tw(SCKL) SCK high and low time Master mode Tpclk-2 Tpclk Tpclk+2 tsu(MI) Data input setup time Master mode 5.5 - - tsu(SI) Slave mode 6.5 - - th(MI) Data input hold time Master mode 5 - - th(SI) Slave mode 5 - - ta(SO) Data output access time Slave mode 0 - 4*Tpclk tdis(SO) Data output disable time Slave mode 0 - 24 tv(SO) Data output valid time Slave mode - 12 27 Slave mode, SPI1 2.7<VDD<3.6V -12 18 tv(MO) Master mode - 1.5 3 th(SO) Data output hold time Slave mode 11 - - th(MO) Master mode 0 - - 1. Guaranteed by characterization results. |
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