Universal Serial Bus 2.0 high-speed interface device

 

 

 

Features

Complies fully with Universal Serial Bus Speci?catioRev. 2.0

Complies with most Device Class speci?cations

High performance USB interface device with integrated Serial Interface Engine

(SIE), FIFO memory, data transceiver and 3.3 V voltage regulators

Supports automatic USB 2.0 mode detectioand USB 1.1 fall-back mode

High speed DMA interface

Fully autonomous and multi-con?guratioDMA operation

Up to 14 programmable USB endpoints with 2 ?xed control IN/OUT endpoints

Integrated physical 8 kbyte of multi-con?guratioFIFO memory

Endpoints with double buffering to increase throughput and ease real-time data

transfer

Bus independent interface with most microcontroller/microprocessors

(16 Mbytes/s or 16 Mwords/s)

Bus-powered capability with low power consumptioand low ‘suspend’ current

12 MHz crystal oscillator with integrated PLL for low EMI

Software controlled connectioto the USB bus (SoftConnect™)

Complies with the ACPI™, OnNow™ and USB power management requirements

Internal power-oand low-voltage reset circuit, also supporting a software reset

Operatioover the extended USB bus voltage range (4.0 to 5.5 V) with 5 V

tolerant I/O pads

Operating temperature range −40 to +85 °C

12 kV in-circuit ESD protectioohumaaccessible pins such as D+ and D−

Full-scadesigwith high fault coverage (>99%)

Available iLQFP64 package.

 

 

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