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STM32F303VC 数据表(PDF) 104 Page - STMicroelectronics |
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STM32F303VC 数据表(HTML) 104 Page - STMicroelectronics |
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104 / 133 page  Electrical characteristics STM32F302xx/STM32F303xx 104/133 Doc ID 023353 Rev 5 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). Table 65. USB: Full-speed electrical characteristics(1) Symbol Parameter Conditions Min Typ Max Unit Driver characteristics tr Rise time(2) CL = 50 pF 4 - 20 ns tf Fall time(2) CL = 50 pF 4 - 20 ns trfm Rise/ fall time matching tr/tf 90 - 110 % VCRS Output signal crossover voltage 1.3 - 2.0 V Output driver Impedance(3) ZDRV driving high and low 28 40 44 Ω 1. Guaranteed by design, not tested in production. 2. Measured from 10% to 90% of the data signal. For more detailed informations, please refer to USB Specification - Chapter 7 (version 2.0). 3. 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. |
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