STPCI2GDY datasheet(88/111 Pages) STMICROELECTRONICS

Il numero della parte	STPCI2GDY

Spiegazioni elettronici	X86 Core PC Compatible System-on-Chip for Terminals

PDF	111 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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88 / 111 page

DESIGN GUIDELINES

88/111

Issue 1.0 - July 24, 2002

6.3.10. USB INTERFACE

The STPC integrates a USB host interface with a

2-port Hub. The only external device needed are

the ESD protection circuits USBDF01W5 and a

USB

power

supply

controller.

Figure

6-16

describes a typical implementation using these

devices.

Figure 6-16. Typical USB implementation

Note 1; The ESD protection will be adequate for most applications. In some instances, problems may occur if the devices on the

USB chain do not have enough power to drive the signals adequately. We therefore recommend that you replace the part with de-

screte components and reduce the value of the capacitor.

POWERON

STPC

TPS2014

USBDMNS[0]

USBDPLS[0]

USBDMNS[1]

USBDPLS[1]

Connector

GND

100nF 2x 47uF

6,7,8

2,3

USBVCC

100nF

TPS2014

Power Decoupling

R = 15 Ohm1

R = 15 Ohm

R = 15 Ohm1

USBDF02W5

(Note1)

USBDF02W5

(Note1)

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