MC141556 Datasheet, PDF (1/18 Pages) Freescale Semiconductor, Inc – USB Hub Controller CMOS

MOTOROLA
Freescale Semiconductor, Inc.
SEMICONDUCTOR TECHICAL DATA
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USB Hub Controller
CMOS
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by MC141556
MC141556
This device is a self-contained USB Hub which complies with USB Hub spec
Rev 1.0. This device is used to expand the USB ports of your PC system while
needed. Because of its self-contained and bus-powered/self-powered capabil-
ity, it can hide the complexity from the user and be flexibly placed anywhere,
such as monitor, keyboard, motherboard, hub-box, etc. The MC141556 con-
sists of Serial Interface Engine(SIE), Hub Repeater, and Hub Controller, sup-
porting one upstream port and up to five downstream ports. It also provides
optional IIC(M_BUS) programmable Vendor ID and Product ID.
Both Low speed mode (1.5 Mbps) and Full speed mode (12 Mbps) are sup-
ported by automatically detecting which data line (D+ or D-) is pulled high
whenever downstream devices are connected to the bus or at power-up.
28 ₁
P SUFFIX
PLASTIC PACKAGE
CASE 655
ORDERING INFORMATION
MC141556P Plastic Dip
MC141556 can be self-powered or bus-powered. When self-powered,
MC141556 is powered by external 5 volt supply and capable of delivering
500mA current to each downstream port. Power management for all down-
stream ports supports power-switching and overcurrent detection with Individ-
ual or Ganged control; a self-powered MC141556 supports Individual control
only, but bus-powered MC141556 supports either Individual or Ganged control.
When Ganged control, PWRSW1 and OVR1 are dedicated for power manage-
ment.
IIC(M_BUS) interface is provided to set up customized Vendor ID, Product
ID, Power Mode, Power Management Mode, Number of Downstream Ports
and Overcurrent Debounce Setting.
PIN ASSIGNMENT
VDD 1
OSC1 2
OSC2 3
VSS 4
IICEN 5
DP0 6
28 DM5/SEL0
27 DP5/SEL1
26 PWRSW5/SDA
25 ^{OVR5/GANG/SCL}
24 DM4
23 DP4
DM0 7
22 PWRSW4
Features Highlight
Hub
• Self-contained Hub Includes Serial Interface Engine (SIE), Hub Repeater
and Hub Controller
VDD3CAP 8
OVR1 ⁹
PWRSW1 ¹⁰
DP1 ¹¹
21 OVR4
20 DM3
19 DP3
18 PWRSW3
• Universal Serial Bus (USB) Hub Version 1.0 Compliant
• One Upstream Port and Up To Five Downstream Ports
• Self-powered or Bus-powered
DM1 12
OVR2 ¹³
PWRSW2 14
17 OVR3
16 DM2
15 _DP2
• Individual/Ganged Downstream Port Power Switching
• Individual/Ganged Downstream Port Overcurrent Detection
• All Downstream Ports Support Full Speed and Low Speed Operation
• Suspend and Resume Operations
• Host Reset Operation
• IIC (M_BUS) interface
General Characteristics
• 28 DIP Package
RoHS-compliant and/or Pb- free versions of Freescale products have the functionality
and electrical characteristics of their non-RoHS-compliant and/or non-Pb- free
counterparts. For further information, see http://www.freescale.com or contact your
Freescale sales representative.
For information on Freescale.s Environmental Products program, go to
http://www.freescale.com/epp.
• Crystal Input 24MHz
• Internal 3.3Volt Regulator
• Single 5Volt Power Supply
• Low-power CMOS Technology
This document contains information on a new product. Specifications and information herein are subject to change without notice.
© Motorola, Inc. 1998
For More Information On This Pr^Ro^Ed_0V3u_/39c^.80t,
Go to: www.freescale.com