3.0 Pin Information ................................................................................................................................................................................ 7
4.0 Standard Interface Connections ................................................................................................................................................... 13
6.0 DC Parameters ............................................................................................................................................................................. 57
7.0 AC Specifications .......................................................................................................................................................................... 61
Appendix A: Data Sheet Revision History ........................................................................................................................................... 66
The Microchip Web Site ...................................................................................................................................................................... 70
Customer Change Notification Service ............................................................................................................................................... 70
Customer Support ............................................................................................................................................................................... 70
Product Identification System ............................................................................................................................................................. 71
2012 - 2014 Microchip Technology Inc.
DS00001681B-page 3
USB5534B
1.0
1.1
INTRODUCTION
Conventions
Within this manual, the following abbreviations and symbols are used to improve readability.
Example
BIT
FIELD.BIT
Description
Name of a single bit within a field
Name of a single bit (BIT) in FIELD
Range from x to y, inclusive
Groups of bits from m to n, inclusive
Pin Name
Binary number (value zzzz)
Hexadecimal number (value zzz)
Hexadecimal number (value zz)
Reserved memory location. Must write 0, read value indeterminate
Instruction code, or API function or parameter
Used for multiple words that are considered a single unit, such as:
Resource Allocate
message, or
Connection Label,
or
Decrement Stack Pointer
instruction.
Section or Document name.
Don’t care
<> indicate a Parameter is optional or is only used under some conditions
Braces indicate Parameter(s) that repeat one or more times.
Brackets indicate a nested Parameter. This Parameter is not real and actually decodes into
one or more real parameters.
x…y
BITS[m:n]
PIN
zzzzb
0xzzz
zzh
rsvd
code
Multi Word Name
Section Name
x
<Parameter>
{,Parameter}
[Parameter]
1.2
Overview
The USB5534B hub is a 4-port, low-power, configurable Hub Controller fully compliant with the
USB 3.0 Specification
2.
The USB5534B supports 5 Gbps SuperSpeed (SS), 480 Mbps Hi-Speed (HS), 12 Mbps Full-Speed (FS) and
1.5 Mbps Low-Speed (LS) USB signaling for complete coverage of all defined USB operating speeds.
All required resistors on the USB ports are integrated into the hub. This includes all series termination resistors 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 USB5534B hub includes programmable features such as:
•
MultiTRAK
TM
Technology
(USB 2.0): implements a dedicated Transaction Translator (TT) for each port. Dedi-
cated TTs help maintain consistent full-speed data throughput regardless of the number of active downstream
connections.
•
PortSwap
(USB 2.0): allows direct alignment of USB signals (D+/D-) to connectors to avoid uneven trace length
or crossing of the USB differential signals on the PCB.
•
PHYBoost
(USB 2.0): enables 4 programmable levels of USB signal drive strength in downstream port transceiv-
ers. PHYBoost will also attempt to restore USB signal integrity.
As shown on the
Product Identification System
page, two USB5534B firmware versions are available: “-5000” and “-
6080”. These options differ in the following ways:
• The Dynamic Charging Port feature and related DYNCPDIS_N pin function are only available on the -6080
device. Refer to
Section 5.1.3, "Dynamic Charging Port (6080 Only)"
for additional details.
• The TRST/DYNCPDIS_N/UCS_SMBALERT_N pin buffer type is “IPU” in the -6080 device and “I” in the -5000
device. Refer to
Pin Information on page 7
for additional details.
• The Global Suspend power consumption has been significantly lowered in the -6080 device. Refer to
Section 6.3,
"Power Consumption"
for additional details.
DS00001681B-page 4
2012 - 2014 Microchip Technology Inc.
USB5534B
1.3
Configurable Features
The USB5534B hub controller provides a default configuration that is sufficient for most applications. When initialized
in the default configuration, the following features may be configured:
•
•
•
•
•
Downstream non-removable ports, where the hub will automatically report as a compound device
Downstream disabled ports
Downstream port power control and over-current detection on a ganged or individual basis
USB signal drive strength
USB differential pair pin location
The USB5534B hub controllers can alternatively be configured by OTP or as an SMBus slave device. When configured
by an OTP or over SMBus, the following configurable features are provided:
• Support for compound devices on a port-by-port basis
• Selectable over-current sensing and port power control on an individual or ganged basis to match the circuit board
component selection
• Customizable vendor ID, product ID, and device ID
• Configurable delay time for filtering the over-current sense inputs
• Indication of the maximum current that the hub consumes from the USB upstream port
• Indication of the maximum current required for the hub controller
• Custom string descriptors (up to 30 characters): Product, manufacturer, and serial number
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FPGA/CPLD
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