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Philips Semiconductors

ISP1581

USB 2.0 HS interface device

Objective speciﬁcation Rev. 02 — 23 October 2000 2 of 73

9397 750 07648

2. Features

■ Complies fully with Universal Serial Bus Speciﬁcation Rev. 2.0

■ Complies with most Device Class speciﬁcations

■ 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 detection and USB 1.1 fall-back mode

■ High speed DMA interface

■ Fully autonomous and multi-conﬁguration DMA operation

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

■ Integrated physical 8 kbyte of multi-conﬁguration FIFO 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 consumption and low ‘suspend’ current

■ 12 MHz crystal oscillator with integrated PLL for low EMI

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

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

■ Internal power-on and low-voltage reset circuit, also supporting a software reset

■ Operation over 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 protection on human accessible pins such as D+ and D−

■ Full-scan design with high fault coverage (>99%)

■ Available in LQFP64 package.

3. Applications

■ Personal digital assistant (PDA)

■ Mass storage device, e.g., Zip

, Jaz

, MO, CD, DVD drive

■ Digital camera

■ Communication device, e.g. router, modem

■ Printer

■ Scanner.

4. Ordering information

Table 1: Ordering information

Type number Package

Name Description Version

ISP1581BD LQFP64 Plastic low proﬁle quad ﬂat package; 64 leads; body 10 x 10 x 1.4 mm SOT314-2

1 2 3 4 5 6 7 ... 72 73

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