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STM32H7B0IB Datasheet(PDF) 164 Page - STMicroelectronics |
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STM32H7B0IB Datasheet(HTML) 164 Page - STMicroelectronics |
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164 / 205 page  • Measurement points are done at CMOS levels: 0.5VDD • IO Compensation cell activated. • VOS level set to VOS0 Refer to Section 6.3.16 I/O port characteristics for more details on the input/output characteristics. Table 122. Dynamics characteristics: USB OTG_FS Symbol Parameter Condition Min Typ Max Unit VDD33USB USB transceiver operating voltage - 3.0(1) - 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) Driver high and low 28 36 44 1. The USB functionality is ensured down to 2.7 V but not the full USB electrical characteristics that are degraded in the 2.7 to 3.0 V voltage range. 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. 6.3.36.9 USB OTG_HS characteristics Unless otherwise specified, the parameters given in Table 123 for ULPI are derived from tests performed under the ambient temperature, fPCLKx frequency and VDD supply voltage summarized in Table 20. General operating conditions and Section 6.3.1 , 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 VOS0 Note: At VOS1, the performance can be degraded by up to 5 % compared to VOS0. This is indicated by a footnote when applicable. Refer to Section 6.3.16 I/O port characteristics for more details on the input/output characteristics. Table 123. Dynamics characteristics: USB ULPI Symbol Parameter Condition Min(1) Typ(1) Max(1)(2)(3) Unit tSC Control in (ULPI_DIR , ULPI_NXT) setup time - 3.5 - - ns tHC Control in (ULPI_DIR, ULPI_NXT) hold time - 2 - - tSD Data in setup time - 3 - - tHD Data in hold time - 0 - - tDC/tDD Control/Datal output delay 2.7 < VDD < 3.6 V, CL=20 pF - 7 8.5 1.71 < VDD < 3.6 V, CL=15 pF - 9 13 1. Guaranteed by characterization results. 2. At VOS1, these values are degraded by up to 5 %. 3. For external ULPI transceivers operating at 1.8 V, check carefully the timing values for compatibility. STM32H7B0xB Operating conditions DS13196 - Rev 7 page 164/205 |
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