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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32L433CB датащи(PDF) 192 Page - STMicroelectronics |
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STM32L433CB датащи(HTML) 192 Page - STMicroelectronics |
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192 / 225 page  Electrical characteristics STM32L433xx 192/225 DS11449 Rev 5 Figure 42. SD default mode USB characteristics The STM32L433xx USB interface is fully compliant with the USB specification version 2.0 and is USB-IF certified (for Full-speed device operation). CAN (controller area network) interface Refer to Section 6.3.14: I/O port characteristics for more details on the input/output alternate function characteristics (CAN_TX and CAN_RX). SWPMI characteristics The Single Wire Protocol Master Interface (SWPMI) and the associated SWPMI_IO transceiver are compliant with the ETSI TS 102 613 technical specification. ai14888 CK D, CMD (output) tOVD tOHD Table 101. USB electrical characteristics(1) Symbol Parameter Conditions Min Typ Max Unit VDDUSB USB transceiver operating voltage 3.0(2) -3.6 V Tcrystal_less USB crystal less operation temperature -15 - 85 ° C 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(3) Output driver impedance(4) Driving high and low 28 36 44 Ω 1. TA = -40 to 125 °C unless otherwise specified. 2. The STM32L433xx 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. Guaranteed by design. 4. 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. Table 102. SWPMI electrical characteristics Symbol Parameter Conditions Min Typ Max Unit tSWPSTART SWPMI regulator startup time SWP Class B 2.7 V ≤ VDD ≤ 3,3V - - 300 μs |
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