MC141555 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MC141555

USB Hub Controller CMOS

Motorola => Freescale 

Freescale Semiconductor, Inc.

Figure 1. BLOCK DIAGRAM

PL 5

Hub

Controller

Serial Interface

Engine

(SIE)

OSC1 2

OSC2 3

Clock

Doubler

48MHz

Frame Counter

(1ms)

VDD 1

VSS 4

Power

Supply

&

3.3V

Regulator

VDD3CAP 8

3.3 Volts

Downstream

PORT 1

11 DP1

12 DM1

10 PWRSW1

9 OVR1

Downstream

PORT 2

15 DP2

16 DM2

14 PWRSW2

13 OVR2

Repeater

Downstream

PORT 3

19 DP3

20 DM3

18 PWRSW3

17

OVR3

Downstream

PORT 4

23 DP4

24 DM4

22 PWRSW4

21 OVR4

6

DP0

DM0 7

Root

Port

Downstream

PORT 5

27 DP5/SEL1

28 DM5/SEL0

26 PWRSW5

25 OVR5/GANG

MC141555

2

For More Information On This Product,

Go to: www.freescale.com

MOTOROLA

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