USB83340中文资料Automotive USB Transceiver with Variable Voltage ULPI and Selectable Reference Frequency数据手册Microchip规格书

描述 Description

The USB83340 is optimized for use in applications where a low operating current and standby currents are essential. The device integrates 3.3 V and 1.8 V regulators, making it possible to operative the device from a single power supply.The USB83340 uses Microchip's wrapper-less technology to implement the ULPI interface; allowing the PHY to achieve low-latency receiving and transmitting.Applications In-vehicle USB Host implementations Infotainment test interface Automotive head unit Portable device charging via USB Rear seat infotainment access Internal connectivity bus Isolate high-value SoCs from outside

特性 Features

• Specifically designed, fabricated, tested, characterized and qualified for automotive applications
• Service and support
• USB-IF Battery Charging 1.1 Specification-compliant
• Link Power Management (LPM)-compliant
• Integrated ESD protection circuitry
• Integrated USB switch
• Nearly complete elimination of Hi-Speed electrical degradation
• Allows single USB port of connection by providing switching for:
• Battery charging
• Stereo and mono/mic audio
• USB Full-Speed/Low-Speed data

• flexPWR® technology
• Sleep mode tri-states all ULPI pins and places the part in a low current state
• 1.8 V to 3.3 V I/O voltage
• PHYBoost
• Programmable USB transceiver drive strength for recovering signal integrity
• VariSense™ technology
• Programmable USB receiver sensitivity
• External reference clock operation available
• ULPI clock IN mode (60 MHz sourced by link)
• 0 to 3.6 V input drive tolerant
• Able to accept noisy clock sources as reference to internal, low-jitter PLL
• Supports multiple frequencies
• Crystal/resonator support
• Smart detection circuits allow identification of USB charger, headset or data cable insertion
• UART mode for non-USB serial data transfers
• Internal 5.0 V cable short-circuit protection of ID, DP and DM lines to VBus® or ground
• 32-pin (5 x 5 mm) QFN lead-free, RoHS-compliant package
• Automotive operating temperature range: -40 °C to +105 °C