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STM32H7 Datasheet(PDF) 198 Page - STMicroelectronics |
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STM32H7 Datasheet(HTML) 198 Page - STMicroelectronics |
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198 / 357 page  Electrical characteristics (rev Y) STM32H742xI/G STM32H743xI/G 198/357 DS12110 Rev 10 Figure 54. SAI master timing waveforms Figure 55. SAI slave timing waveforms MDIO characteristics The MDIO controller is mapped on APB2 domain. The frequency of the APB bus should at least 1.5 times the MDC frequency: FPCLK2 ≥ 1.5 * FMDC. Table 109. MDIO Slave timing parameters Symbol Parameter Min Typ Max Unit FsDC Management data clock - - 40 MHz td(MDIO) Management data input/output output valid time 78 20 ns tsu(MDIO) Management data input/output setup time 4- - th(MDIO) Management data input/output hold time 1- - MS32771V1 SAI_SCK_X SAI_FS_X (output) 1/fSCK SAI_SD_X (transmit) tv(FS) Slot n SAI_SD_X (receive) th(FS) Slot n+2 tv(SD_MT) th(SD_MT) Slot n tsu(SD_MR) th(SD_MR) 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 |
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