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General description

The ISP1183 is a Universal Serial Bus (USB) interface device that complies with Universal Serial Bus Specification Rev. 2.0, supporting data transfer at full-speed (12 Mbit/s). It provides full-speed USB communication capacity to microcontroller or microprocessor-based systems. The ISP1183 communicates with the system’s microcontroller or microprocessor through a fast general-purpose parallel interface.

Features

■ Complies with Universal Serial Bus Specification Rev. 2.0 and most Device Class specifications

■ Complies with ACPI?, OnNow? and USB power management requirements

■ Supports data transfer at full-speed (12 Mbit/s)

■ High performance USB interface device with integrated Serial Interface Engine (SIE), FIFO memory, transceiver, and 3.3 V voltage regulator

■ High speed (11.1 Mbyte/s or 90 ns read/write cycle) parallel interface

■ Fully autonomous and multiconfiguration DMA operation

■ Up to 14 programmable USB endpoints with 2 fixed control IN/OUT endpoints

■ Integrated physical 2462 bytes of multiconfiguration FIFO memory

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

■ Seamless interface with most microcontrollers and microprocessors

■ Bus-powered capability with low power consumption and low suspend current

■ Software controlled connection to the USB bus (SoftConnect?)

■ Supports internal power-on and low-voltage reset circuit

■ Supports software reset

■ Hybrid-powered capability with low-power consumption required from the system

■ VBUS indication

■ 6 MHz crystal oscillator input with integrated PLL for low EMI

■ Good USB connection indicator that blinks with traffic (GoodLink?)

■ Supports I/O voltage range of 1.65 V to 3.6 V

■ Operation over the extended USB bus voltage range (4.0 V to 5.5 V) with 3.3 V tolerant I/O pads

■ Operating temperature range ?40 °C to +85 °C

■ Full-scan design with high fault coverage

■ Available in HVQFN32 lead-free and halogen-free package.

Applications

■ Battery-operated device, for example:

◆ Mobile phone

◆ MP3 player

◆ Personal Digital Assistant (PDA)

■ Communication device, for example:

◆ Router

◆ Modem

■ Digital camera

■ Mass storage device, for example:

◆ Zip? drive

■ Printer

■ Scanner.