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PDF USB5734 Data sheet ( Hoja de datos )
| Número de pieza | USB5734 | |
| Descripción | 4-Port SS/HS USB Controller Hub | |
| Fabricantes | Microchip | |
| Logotipo |  |
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USB5734
4-Port SS/HS USB Controller Hub
Highlights
• USB Hub Feature Controller IC with 4 USB 3.1
Gen 1 / USB 2.0 downstream ports
• USB-IF Battery Charger revision 1.2 support on
up & downstream ports (DCP, CDP, SDP)
• FlexConnect: Downstream port able to swap with
upstream port, allowing master capable devices
to control other devices on the hub
• USB to I2C/UART/SPI/GPIO bridge endpoint sup-
port
• USB Link Power Management (LPM) support
• Enhanced OEM configuration options available
through either OTP or SPI ROM
• Available in 64-pin (9 x 9 mm) VQFN lead-free,
RoHS compliant package
• Commercial and industrial grade temperature
support
• Configuration Straps: Predefined configuration of
system level functions including GPIOs
Target Applications
• Standalone USB Hubs
• Laptop Docks
• PC Motherboards
• PC Monitor Docks
• Multi-function USB 3.1 Gen 1 Peripherals
Key Benefits
• USB 3.1 Gen 1 compliant 5 Gbps, 480 Mbps,
12 Mbps and 1.5 Mbps operation
- 5 V tolerant USB 2.0 pins
- 1.32 V tolerant USB 3.1 Gen 1 pins
- Integrated termination & pull-up/pull-down resistors
• Supports per port battery charging of most popu-
lar battery powered devices
- USB-IF Battery Charging rev. 1.2 support
(DCP, CDP, SDP)
- Apple portable product charger emulation
- Chinese YD/T 1591-2006 charger emulation
- Chinese YD/T 1591-2009 charger emulation
- European Union universal mobile charger support
- Support for Microchip USC100x family of battery
charging controllers
- Supports additional portable devices
• Smart port controller operation
- Firmware handling of companion port controllers
• On-chip microcontroller
- Manages I/Os, VBUS, and other signals
• 8 KB RAM, 64 KB ROM
• 8 KB One Time Programmable (OTP) ROM
- Includes on-chip charge pump
• Configuration programming via OTP ROM, SPI
ROM, or SMBus
• PortSwap
- Configurable differential intro-pair signal swapping
• PHYBoost™
- Programmable USB transceiver drive strength for
recovering signal integrity
• VariSense™
- Programmable USB receiver sensitivity
• Compatible with Microsoft Windows 8, 7, XP,
Apple OS X 10.4+, and Linux hub drivers
• Optimized for low-power operation and
low thermal dissipation
• Package
- 64-pin VQFN (9 x 9 mm)
• Environmental
- 3 kV HBM JESD22-A114F ESD protection
- Commercial temperature range (0°C to +70°C)
- Industrial temperature range (-40°C to +85°C)
2015-2016 Microchip Technology Inc.
DS00001854D-page 1
1 page  
USB5734
1.2 Reference Documents
1. UNICODE UTF-16LE For String Descriptors USB Engineering Change Notice, December 29th, 2004, http://
www.usb.org
2. Universal Serial Bus Revision 3.1 Specification, http://www.usb.org
3. Battery Charging Specification, Revision 1.2, Dec. 07, 2010, http://www.usb.org
4. I2C-Bus Specification, Version 1.1, http://www.nxp.com
5. System Management Bus Specification, Version 1.0, http://smbus.org/specs
2015-2016 Microchip Technology Inc.
DS00001854D-page 5
5 Page 
USB5734
3.2 Pin Descriptions
This section contains descriptions of the various USB5734 pins. This pin descriptions have been broken into functional
groups as follows:
• USB 3.1 Gen 1 Pin Descriptions
• USB 2.0 Pin Descriptions
• USB Port Control Pin Descriptions
• SPI/UART Pin Descriptions
• Programmable Function Pin Descriptions
• Miscellaneous Pin Descriptions
• Power and Ground Pin Descriptions
The “_N” symbol in the signal name indicates that the active, or asserted, state occurs when the signal is at a low voltage
level. For example, RESET_N indicates that the reset signal is active low. When “_N” is not present after the signal
name, the signal is asserted when at the high voltage level.
The terms assertion and negation are used exclusively. This is done to avoid confusion when working with a mixture of
“active low” and “Active high” signals. The term assert, or assertion, indicates that a signal is active, independent of
whether that level is represented by a high or low voltage. The term negate, or negation, indicates that a signal is inac-
tive.
Note:
The buffer type for each signal is indicated in the “Buffer Type” column of the pin description tables. A
description of the buffer types is provided in Section 3.3, "Buffer Types," on page 16.
For additional information on configuration straps and configurable pins, refer to Section 3.4, "Configuration
Straps and Programmable Functions".
TABLE 3-3: USB 3.1 GEN 1 PIN DESCRIPTIONS
Num
Pins
1
1
1
1
4
4
4
4
Symbol
USB3UP_TXDP
USB3UP_TXDM
USB3UP_RXDP
USB3UP_RXDM
USBDN_TXDP[4:1]
USBDN_TXDM[4:1]
USBDN_RXDP[4:1]
USBDN_RXDM[4:1]
Buffer
Type
IO-U
IO-U
IO-U
IO-U
IO-U
IO-U
IO-U
IO-U
Description
USB 3.1 Gen 1 upstream SuperSpeed transmit data plus.
USB 3.1 Gen 1 upstream SuperSpeed transmit data minus.
USB 3.1 Gen 1 upstream SuperSpeed receive data plus.
USB 3.1 Gen 1 upstream SuperSpeed receive data minus.
USB 3.1 Gen 1 downstream ports 4-1 SuperSpeed transmit data plus.
USB 3.1 Gen 1 downstream ports 4-1 SuperSpeed transmit data
minus.
USB 3.1 Gen 1 downstream ports 4-1 SuperSpeed receive data plus.
USB 3.1 Gen 1 downstream ports 4-1 SuperSpeed receive data
minus.
TABLE 3-4: USB 2.0 PIN DESCRIPTIONS
Num
Pins
1
1
Symbol
USB2UP_DP
USB2UP_DM
Buffer
Type
IO-U
IO-U
Description
USB 2.0 upstream data plus (D+).
USB 2.0 upstream data minus (D-).
2015-2016 Microchip Technology Inc.
DS00001854D-page 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet USB5734.PDF ] | |
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