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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F302X8 датащи(PDF) 95 Page - STMicroelectronics |
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STM32F302X8 датащи(HTML) 95 Page - STMicroelectronics |
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95 / 139 page  DS9896 Rev 8 95/139 STM32F302x6 STM32F302x8 Electrical characteristics 117 SPI/I2S characteristics Unless otherwise specified, the parameters given in Table 61 for SPI or in Table 62 for I2S are derived from tests performed under ambient temperature, fPCLKx frequency and VDD supply voltage conditions summarized in Table 23. 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 61. SPI characteristics(1) 1. Guaranteed by characterization results. Symbol Parameter Conditions Min Typ Max Unit fSCK 1/tc(SCK) SPI clock frequency Master mode - - 18 MHz Slave mode - - 18 tsu(NSS) NSS setup time Slave mode, SPI presc = 2 4*Tpcl k -- ns th(NSS) NSS hold time Slave mode, SPI presc = 2 2*Tpcl k -- tw(SCKH) tw(SCKL) SCK high and low time Master mode, fPCLK = 36 MHz, presc = 4 Tpclk- 2 Tpclk Tpclk+ 2 tsu(MI) tsu(SI) Data input setup time Master mode 0 - - Slave mode 1 - - th(MI) Data input hold time Master mode 6.5 - - th(SI) Slave mode 2.5 - - ta(SO) Data output access time Slave mode 8 - 40 tdis(SO) Data output disable time Slave mode 8 - 14 tv(SO) Data output valid time Slave mode - 12 27 tv(MO) Master mode - 1.5 4 th(SO) Data output hold time Slave mode 7.5 - - th(MO) Master mode 0 - - |
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