STPCI2GDYI 데이터 시트보기 (PDF) - STMicroelectronics

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STPCI2GDYI

X86 CORE PC COMPATIBLE SYSTEM-ON-CHIP FOR TERMINALS

STMicroelectronics 

STPC® ATLAS

6.3.10. USB INTERFACE

The STPC integrates a USB host interface with a

2-port Hub. The only external device needed are

Figure 6-16. Typical USB implementation

the ESD protection circuits USBDF01W5 and a

USB power supply controller. Figure 6-16

describes a typical implementation using these

devices.

Connector

USBDMNS[0]

USBDF01W5 (note 1)

R = 15 Ohm

3

4

1

29

USBDPLS[0]

1

5

R = 152Ohm

100pF

3 10

4

ct(s) USBDMNS[1]

te Produ USBDPLS[1]

USBDF01W5 (note 1)

RR==1155OOhhmm

3

4

1

5

RR==11552OOhhmm

100pF

5

6 11

7 12

8

GND

uct(s) - Obsole OC

Prod POWERON

Obsolete STPC

5V

5V

5V

2,3

5

6,7,8

TPS2014

4

1

USBVCC

100nF 2x 47uF

100nF

TPS2014

Power Decoupling

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 discrete components and reduce the value of the capacitor.

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