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STM32H7 Datasheet(PDF) 315 Page - STMicroelectronics |
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STM32H7 Datasheet(HTML) 315 Page - STMicroelectronics |
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315 / 357 page  DS12110 Rev 10 315/357 STM32H742xI/G STM32H743xI/G Electrical characteristics (rev V) 320 USB OTG_FS characteristics The USB interface is fully compliant with the USB specification version 2.0 and is USB-IF certified (for Full-speed device operation). USB OTG_HS characteristics Unless otherwise specified, the parameters given in Table 212 for ULPI are derived from tests performed under the ambient temperature, fPCLKx frequency and VDD supply voltage summarized in Table 122: General operating conditions, with the following configuration: • Output speed is set to OSPEEDRy[1:0] = 11 • Capacitive load CL=20 pF • Measurement points are done at CMOS levels: 0.5VDD • IO Compensation cell activated. • VOS level set to VOS1 Refer to Section 7.3.15: I/O port characteristics for more details on the input/output characteristics. Table 211. USB OTG_FS electrical characteristics Symbol Parameter Condition Min Typ Max Unit VDD33USB USB transceiver operating voltage -3.0(1) 1. The USB functionality is ensured down to 2.7 V but not the full USB electrical characteristics which are degraded in the 2.7 to 3.0 V voltage range. -3.6 V RPUI Embedded USB_DP pull-up value during idle - 900 1250 1600 Ω RPUR Embedded USB_DP pull-up value during reception - 1400 2300 3200 ZDRV Output driver impedance(2) 2. No external termination series resistors are required on USB_DP (D+) and USB_DM (D-); the matching impedance is already included in the embedded driver. Driver high and low 28 36 44 Table 212. Dynamics characteristics: USB ULPI(1) Symbol Parameter Condition Min Typ Max Unit tSC Control in (ULPI_DIR, ULPI_NXT) setup time -2.5 - - ns -4.5(2) -- tHC Control in (ULPI_DIR, ULPI_NXT) hold time -2 - - tSD Data in setup time - 2.5 - - tHD Data in hold time - 0 - - tDC/tDD Control/Datal output delay 2.7<VDD<3.6 V CL=20 pF -9 9.5 1.71<VDD<3.6 V CL=15 pF -9 14 |
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