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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32MP151F датащи(PDF) 221 Page - STMicroelectronics |
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STM32MP151F датащи(HTML) 221 Page - STMicroelectronics |
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221 / 253 page  DS12501 Rev 3 221/253 STM32MP151C/F Electrical characteristics 232 MDIOS characteristics The MDIOS controller is mapped on APB1 domain. The frequency of the APB bus should at least 1.5 times the MDC frequency: Fpclk1 ≥ 1.5 * FMDC. Figure 53. MDIOS timing diagram SD/SDIO MMC card host interface (SDMMC) characteristics Unless otherwise specified, the parameters given in Table 102 for the SDIO/MMC interface are derived from tests performed under the ambient temperature, Fhclk6 frequency and VDD supply voltage conditions summarized in Table 13: General operating conditions, with the following configuration: • Output speed is set to OSPEEDRy[1:0] = 11 • Capacitive load C = 30 pF • Measurement points are done at CMOS levels: 0.5×VDD • I/O compensation cell enabled • HSLV activated when VDD ≤ 2.7 V • Delay block disabled Refer to Section 6.3.17: I/O port characteristics for more details on the input/output characteristics. Table 101. MDIOS timing parameters Symbol Parameter Min Typ Max Unit FMDC Management data clock - - 30 MHz td(MDIOS) Management data input/output output valid time 6.5 8 19 ns tsu(MDIOS) Management data input/output setup time 1- - th(MDIOS) Management data input/output hold time 0.5 - - MSv50900V1 tsu(MDIOS) TMDC th(MDIOS) td(MDIOS) MDIOS_MDC MDIOS_MDIO(I) MDIOS_MDIO(O) |
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