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USB82514

Automotive Grade USB 2.0 Hi-Speed 4-Port Hub

Highlights

• High performance, low-power, small footprint hub

controller IC with 4 downstream ports

• Fully compliant with the USB 2.0 specification

• Enhanced OEM configuration options available

through either a single serial I

C™ EEPROM or

SMBus Slave Port

• MultiTRAK™ Technology

- High-performance multiple Transaction

Translator which provides one Transaction

Translator per port

• PortMap

- Flexible port mapping and port disable

sequencing

• PortSwap

- Programmable USB differential-pair pin loca-

tions ease PCB design by aligning USB sig-

nal traces directly to connectors

• PHYBoost

- Programmable USB transceiver drive

strength for recovering signal integrity due to

compromised system environment

• AEC-Q100 compliant

- Microchip’s parts are tested to meet or

exceed the requirements of the AEC-Q100

automotive qualification standards

Key Benefits

• Over 30 port configuration options

• Full power management with individual or ganged

power control of each downstream port

• Integrated 1.8 V core regulator

• Fully integrated USB termination and pull-up/pull-

down resistors

• On-board 24 MHz crystal driver, resonator, or

external 24 MHz clock input

• Customizable vendor ID, product ID, and device

• Easily configurable as a 2, 3 or 4-Port Hub in

common PCB layout

• 36-pin (6x6 mm

) QFN, RoHS compliant package

- Also available as dimple package

• Temperature range: -40ºC to +85ºC

Target Applications

•

Automotive head unit

Automotive breakout box

Automotive media player dock

Portable device charging via USB

Rear seat infotainment access



2014 Microchip Technology Inc.

60001234B-page 1

USB82514

TO OUR VALUED CUSTOMERS

It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip

products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and

enhanced as new volumes and updates are introduced.

If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via

E-mail at

docerrors@microchip.com.

We welcome your feedback.

Most Current Data Sheet

To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at:

http://www.microchip.com

You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.

The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).

Errata

An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for cur-

rent devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the

revision of silicon and revision of document to which it applies.

To determine if an errata sheet exists for a particular device, please check with one of the following:

• Microchip’s Worldwide Web site;

http://www.microchip.com

• Your local Microchip sales office (see last page)

When contacting a sales office, please specify which device, revision of silicon and data sheet (include -literature number) you are

using.

Customer Notification System

www.microchip.com

to receive the most current information on all of our products.

60001234B-page 2



2014 Microchip Technology Inc.

USB82514

Table of Contents

1.0 Introduction ..................................................................................................................................................................................... 4

2.0 Acronyms ........................................................................................................................................................................................ 6

3.0 Pin Configuration ............................................................................................................................................................................ 7

4.0 Pin Table ......................................................................................................................................................................................... 8

5.0 Block Diagram ................................................................................................................................................................................. 9

6.0 Pin Descriptions ............................................................................................................................................................................ 10

7.0 Configuration Options ................................................................................................................................................................... 15

8.0 DC Parameters ............................................................................................................................................................................. 39

9.0 AC Specifications .......................................................................................................................................................................... 44

10.0 Package Outline .......................................................................................................................................................................... 45

Appendix A: Data Sheet Revision History ........................................................................................................................................... 47

The Microchip Web Site ...................................................................................................................................................................... 49

Customer Change Notification Service ............................................................................................................................................... 49

Customer Support ............................................................................................................................................................................... 49

Product Identification System ............................................................................................................................................................. 50



2014 Microchip Technology Inc.

60001234B-page 3

USB82514

1.0

INTRODUCTION

The Microchip Automotive Grade USB 2.0 4-Port Hub is a low-power, OEM configurable, MTT (Multi- Transaction Trans-

lator) hub controller IC with 4 downstream ports for embedded USB solutions. It is designed, fabricated, tested, charac-

terized and qualified for automotive applications. The 4-port hub is fully compliant with the USB 2.0 Specification. The

USB82514 will attach to an upstream port as a full-speed hub or as a full-/hi-speed hub. The 4-port hub supports low-

speed, full-speed, and hi-speed (if operating as a hi-speed hub) downstream devices on all of the enabled downstream

ports.

All required resistors on the USB ports are integrated into the hub. This includes all series termination resistors on D+

and D- pins and all required pull-down and pull-up resistors on D+ and D- pins. The over-current sense inputs for the

downstream facing ports have internal pull-up resistors.

The USB82514 includes over 30 programmable features including:

MultiTRAK™ Technology

which utilizes a dedicated TT per port to maintain consistent full-speed data throughput

regardless of the number of active downstream connections. MultiTRAK outperforms conventional USB 2.0 hubs with

a single TT in USB full-speed data transfers.

PortMap

which provides flexible port mapping and disable sequences. The down-

stream ports of a USB82514 hub can be reordered or disabled in any sequence to

support multiple platform designs with minimum effort. For any port that is disabled,

the USB82514 automatically reorders the remaining ports to match the USB host

controller’s port numbering scheme.

PortSwap

which adds per-port programmability to USB differential-pair pin loca-

tions. PortSwap allows direct alignment of USB signals (D+/D-) to connectors avoid-

ing uneven trace length or crossing of the USB differential signals on the PCB.

PHYBoost

which enables four programmable levels of USB signal drive strength in

downstream port transceivers. PHYBoost attempts to restore USB signal integrity

that has been compromised by system level variables such as poor PCB layout, long

cables, etc. The boost graphic shows an example of hi-speed USB eye diagrams

before (PHYBoost at 0%) and after (PHYBoost at 12%) signal integrity restoration in

a compromised system environment.

The USB82514 is specifically tailored for use in automotive applications requiring

automotive grade robustness starting with the comprehension of proprietary design for reliability techniques within the

silicon IC itself as well as for the package design. Automotive qualified technologies and processes are used to fabricate

the products with enhanced monitors to continuously drive improvements in accordance with our zero-dpm methodol-

ogy. Product qualification is focused on customer expectations and exceeds many of the automotive reliability standards

including AEC-Q100.

Microchip automotive services are provided during the life of the product from a dedicated organization composed of

operations, quality, and product support personnel specialized in meeting the requirements of the automotive customer.

Card Reader

60001234B-page 4



2014 Microchip Technology Inc.

USB82514

1.1

OEM Selectable Features

A default configuration is available in the USB82514 following a reset. This configuration may be sufficient for some

applications. Strapping option pins make it possible to modify a limited sub-set of the configuration options.

The USB82514 may also be configured by an external EEPROM or a microcontroller. When using the microcontroller

interface, the hub appears as an SMBus slave device. If the hub is pin-strapped for external EEPROM configuration but

no external EEPROM is present, then a value of ‘0’ will be written to all configuration data bit fields (the hub will attach

to the host with all ‘0’ values).

The USB82514 supports several OEM selectable features:

• Optional OEM configuration via I

C EEPROM or via the industry standard SMBus interface from an external

SMBus host or microcontroller, see

Table 7-1, "Hub Configuration Options"

to configure the serial port interface

behavior via the CFG_SEL1 and CFG_SEL0 pins.

• Compound device support (port is permanently hardwired to a downstream USB peripheral device), on a port-by-

port basis, see

"Register 07h: Configuration Data Byte 2",

bit COMPOUND.

• Select Single-Transaction Translator (STT) or Multi-Transaction Translator (MTT), see

"Register 06h: Configura-

tion Data Byte 1",

bit MTT_ENABLE.

• Select over-current sensing and port power control on an individual (port-by-port) or ganged (all ports together)

basis to match the OEM’s choice of circuit board component selection, see

"Register 06h: Configuration Data Byte

1",

bits CURRENT_SNS and PORT_PWR.

• Customize vendor ID, product ID, and device ID, see

"Register 00h: Vendor ID (LSB)", "Register 01h: Vendor ID

(MSB)", "Register 02h: Product ID (LSB)", "Register 03h: Product ID (MSB)", "Register 04h: Device ID (LSB)"

and

"Register 05h: Device ID (MSB)".

• Easily configure as a 2, 3 or 4-Port Hub in common PCB layout, see

"Register 0Ah: Port Disable for Self-Powered

Operation"

and

"Register 0Bh: Port Disable for Bus-Powered Operation".

• PortMap: Flexible port mapping and disable sequence. Ports can be disabled/reordered in any sequence to sup-

port multiple platforms with a single design. The hub will automatically reorder the remaining ports to match the

host controller's numbering scheme, see

"Register FBh: PortMap 12"

and

"Register FCh: PortMap 34".

• PortSwap: Programmable USB differential-pair pin location.

- Eases PCB layout by aligning USB signal lines directly to connectors, see

"Register FAh: PortSwap".

• PhyBoost: Programmable USB signal drive strength. Recover USB signal integrity due to compromised system

environments using 4 levels of signal drive strength, see

"Register F6h: Boost_Up"

and

"Register F8h: Boost_4:0".

• Configure the delay time for filtering the over-current sense inputs, see

"Register 07h: Configuration Data Byte 2",

bit OC_TIMER.

• Configure the downstream port power-on time reported to the host, see

"Register 10h: Power-On Time".

• Indicate the maximum current that the 4-port hub consumes from the USB upstream port, see

"Register 0Eh: Hub

Controller Max Current for Self-Powered Operation"

and

"Register 0Fh: Hub Controller Max Current for Bus-Pow-

ered Operation".

• Indicate the maximum current required for the hub controller, see

"Register 0Ch: Max Power for Self-Powered

Operation"

and

"Register 0Dh: Max Power for Bus-Powered Operation".

• Support custom string descriptor up to 31 characters in length for:

- Manufacturer string, see

"Register 16h-53h: Manufacturer String".

- Product string, see

"Register 54h-91h: Product String".

- Serial number string, see

"Register 92h-CFh: Serial String".

• Pin selectable options for default configuration:

- Downstream ports as non-removable ports, see

"Register 09h: Non-Removable Device".

- Downstream ports as disabled ports, see

"Register 0Ah: Port Disable for Self-Powered Operation"

and

"Reg-

ister 0Bh: Port Disable for Bus-Powered Operation".



2014 Microchip Technology Inc.

60001234B-page 5

参数对比

与USB82514AMR-A相近的元器件有：USB82514AF-A、USB82514AF-B、USB82514AFR-A、USB82514AFR-B、USB82514AM-A、USB82514AM-B、USB82514AMR-B。描述及对比如下：

型号	USB82514AMR-A	USB82514AF-A	USB82514AF-B	USB82514AFR-A	USB82514AFR-B	USB82514AM-A	USB82514AM-B	USB82514AMR-B
描述	IC UNIVERSAL SERIAL BUS CONTROLLER, Bus Controller	IC UNIVERSAL SERIAL BUS CONTROLLER, Bus Controller	IC UNIVERSAL SERIAL BUS CONTROLLER, Bus Controller	IC UNIVERSAL SERIAL BUS CONTROLLER, Bus Controller	IC UNIVERSAL SERIAL BUS CONTROLLER, Bus Controller	IC UNIVERSAL SERIAL BUS CONTROLLER, Bus Controller	IC UNIVERSAL SERIAL BUS CONTROLLER, Bus Controller	IC UNIVERSAL SERIAL BUS CONTROLLER, Bus Controller
厂商名称	Microchip(微芯科技)	Microchip(微芯科技)	Microchip(微芯科技)	Microchip(微芯科技)	Microchip(微芯科技)	Microchip(微芯科技)	Microchip(微芯科技)	Microchip(微芯科技)
包装说明	QFN-36	QFN-36	QFN-36	QFN-36	QFN-36	QFN-36	QFN-36	QFN-36
Reach Compliance Code	compli	compli	compli	compli	compli	compli	compli	compli
总线兼容性	I2C, SMBUS, USB	I2C, SMBUS, USB	I2C, SMBUS, USB	I2C, SMBUS, USB	I2C, SMBUS, USB	I2C, SMBUS, USB	I2C, SMBUS, USB	I2C, SMBUS, USB
JESD-30 代码	S-XQCC-N36	S-XQCC-N36	S-XQCC-N36	S-XQCC-N36	S-XQCC-N36	S-XQCC-N36	S-XQCC-N36	S-XQCC-N36
长度	6 mm	6 mm	6 mm	6 mm	6 mm	6 mm	6 mm	6 mm
端子数量	36	36	36	36	36	36	36	36
最高工作温度	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
最低工作温度	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
封装主体材料	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
封装代码	HVQCCN	HVQCCN	HVQCCN	HVQCCN	HVQCCN	HVQCCN	HVQCCN	HVQCCN
封装形状	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
封装形式	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
筛选级别	AEC-Q100; TS 16949	AEC-Q100; TS 16949	AEC-Q100; TS 16949	AEC-Q100; TS 16949	AEC-Q100; TS 16949	AEC-Q100; TS 16949	AEC-Q100; TS 16949	AEC-Q100; TS 16949
座面最大高度	1 mm	0.9 mm	0.9 mm	0.9 mm	0.9 mm	1 mm	1 mm	1 mm
最大供电电压	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
最小供电电压	3 V	3 V	3 V	3 V	3 V	3 V	3 V	3 V
标称供电电压	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
表面贴装	YES	YES	YES	YES	YES	YES	YES	YES
技术	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
温度等级	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
端子形式	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD
端子节距	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm
端子位置	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD
宽度	6 mm	6 mm	6 mm	6 mm	6 mm	6 mm	6 mm	6 mm
uPs/uCs/外围集成电路类型	BUS CONTROLLER, UNIVERSAL SERIAL BUS	BUS CONTROLLER, UNIVERSAL SERIAL BUS	BUS CONTROLLER, UNIVERSAL SERIAL BUS	BUS CONTROLLER, UNIVERSAL SERIAL BUS	BUS CONTROLLER, UNIVERSAL SERIAL BUS	BUS CONTROLLER, UNIVERSAL SERIAL BUS	BUS CONTROLLER, UNIVERSAL SERIAL BUS	BUS CONTROLLER, UNIVERSAL SERIAL BUS

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