PDIUSBD datasheet(2/20 Pages) PHILIPS

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Philips Semiconductors

Product specification

PDIUSBD11

USB device with serial interface

1999 Jul 22

853-2050 22023

FEATURES

• Complies with the Universal Serial Bus specification Rev. 1.1

• Complies with the ACPI, OnNOW, and USB power management

requirements

• Compliant with USB Human Interface Devices and Monitor

Control Class

• Compliant with System Management Bus Specification Rev. 1.0

• Integrated SIE (Serial Interface Engine), FIFO memory and

transceivers

• Automatic USB protocol handling

• High speed I2C Interface (up to 1 Mbit/s)

• Compatible with the PDIUSBH11 software

• Software controllable connection to USB bus (SoftConnect™)

• Low frequency 12 MHz crystal oscillator eases EMI design issues

• Programmable output clock frequency

• Bus powered capability with very low suspend current

• Controllable LazyClock output during suspend

• Single 3.3 V supply with 5 V tolerant I/O

• Available in 16-pin DIP and SO packages

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

quality

• Higher than 8 kV in-circuit ESD protection lowers cost of extra

components

DESCRIPTION

The Universal Serial Bus hub PDIUSBD11 is a cost and

feature-optimized USB interface device. It is used in

microcontroller-based systems and communicates with the system

microcontroller over the high speed I2C serial bus. This modular

approach to implementing USB functions allows the designer to

choose the optimum system microcontroller from the available wide

variety. This flexibility cuts down the development time, risks, and

costs by allowing the use of the existing architecture and the

firmware investments. This results in the fastest way to develop the

most cost-effective USB peripheral solutions. The PDIUSBD11 is

ideally suited for computer monitors, docking stations, keyboards,

and many other applications that use the I2C or the SMBus-based

architecture.

The PDIUSBD11 conforms to the USB specification Rev. 1.1, I2C

serial interface and the SMBus specifications. It is fully compliant

with the Human Interface Device Class and Monitor Control Class

specifications. Its low suspend power consumption along with the

programmable LazyClock output allows for easy implementation of

equipment that is compliant to the ACPI, OnNOW, and USB power

management requirements. The low operating power allows the

implementation of bus-powered function.

The PDIUSBD11 is fully backward compatible to the

PDIUSBH11/PDIUSBH11A software. In addition, it also incorporates

the feature enhancements like SoftConnect

™, LazyClock,

programmable clock output, lower frequency crystal oscillator,

multiple function endpoints and integration of termination resistors.

All of these feature enhancements contribute to significant cost

savings in the system implementation and at the same time ease the

implementation of advanced USB functionality into the peripherals.

ORDERING INFORMATION

PACKAGES

TEMPERATURE RANGE

OUTSIDE NORTH AMERICA

NORTH AMERICA

PKG. DWG. #

16-pin plastic SO

–40

°C to +85°C

PDIUSBD11 D

SOT162-1

16-pin plastic DIP

–40

°C to +85°C

PDIUSBD11 N

SOT38-4

BLOCK DIAGRAM

ANALOG

TX/RX

PHILIPS

SIE

INTEGRATED

RAM

BIT CLOCK

RECOVERY

MEMORY

MANAGEMENT

UNIT

I2C

SLAVE

INTERFACE

12 MHz

INTERRUPT

SDA

SCL

D+

D–

UPSTREAM

PORT

FULL SPEED

PLL

SoftConnect

™

D+

3.3V

1.5k

SV00823

NOTE:

1. This is a conceptual block diagram and does not include each individual signal.

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