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PDF CYUSB3328 Data sheet ( Hoja de datos )
| Número de pieza | CYUSB3328 | |
| Descripción | (CYUSB330x - CYUSB332x) HX3 USB 3.0 Hub | |
| Fabricantes | Cypress Semiconductor | |
| Logotipo |  |
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CYUSB330x
CYUSB331x
CYUSB332x
HX3 USB 3.0 Hub
General Description
HX3 is a family of USB 3.0 hub controllers compliant with the USB 3.0 specification revision 1.0. HX3 supports SuperSpeed (SS),
Hi-Speed (HS), Full-Speed (FS), and Low-Speed (LS) on all the ports. It has integrated termination, pull-up, and pull-down resistors,
and supports configuration options through pin-straps to reduce the overall BOM of the system.
HX3 includes the following Cypress-proprietary features:
Shared Link™: Enables extra downstream (DS) ports for on-board connections in embedded applications
Ghost Charge™: Enables charging of devices connected to the DS ports when no host is connected on the upstream (US) port
HX3 USB 3.0 Hub
Features
USB 3.0-Certified Hub, TID# 330000047
Supports up to Four USB 3.0-Compliant DS ports
■ All ports support SS (5 Gbps), and are backward-compatible
with HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps)
■ SS and USB 2.0 Link Power Management (LPM)
■ Dedicated Hi-Speed Transaction Translators (Multi-TT)
■ LED status indicators – suspend, SS, and USB 2.0 operation
Shared Link™ for Embedded Applications
■ Each DS port can simultaneously connect to an embedded SS
device and a removable USB 2.0 device
■ Enables up to eight device connections
Enhanced Battery Charging
■ Each DS port complies with the USB Battery Charging v1.2
(BC v1.2) specification
■ Ghost Charge™: Each DS port can emulate a Dedicated
Charging Port (DCP) when the host is not connected to the US
port
■ Accessory Charger Adapter Dock (ACA-Dock): Enables
charging and simultaneous data transfer for a smart phone or
a tablet acting as a host compliant to BC v1.2
■ Apple charging supported on all DS ports
Integrated ARM® Cortex™-M0 CPU
■ 16 KB RAM, 32 KB ROM
■ Configure GPIOs for overcurrent protection, power enable, and
LEDs
■ Upgrade firmware using (a) I2C EEPROM or (b) an external
I2C master
Vendor-Command Support to Implement a USB-to-I2C
Bridge
■ Firmware upgrade of an external ASSP connected to HX3
through USB
■ In-System Programming (ISP) of the EEPROM connected to
HX3 through USB
Extensive Configuration Support
■ Pin-strap configuration for the following functions:
❐ Vendor ID (VID)
❐ Charging support for each DS port
❐ Number of active ports
❐ Number of non-removable devices
❐ Ganged or individual power switch enables for DS ports
❐ Power switch polarity selection
■ Custom configuration modes supported with eFuse, I2C
EEPROM, or I2C slave
❐ SS and USB 2.0 PHY parameters
❐ Product ID (PID)/VID, manufacturer, and product string
descriptors
❐ Swap DP/DM signals for flexible PCB routing
Software Features
■ Microsoft WHQL-certified for Windows XP/Vista/7/8/8.1
■ Compatible with Mac OS 10.9 and Linux kernel version 3.11
■ Customize configuration parameters with the easy-to-use
Cypress’s “Blaster Plus” software tool
Flexible Packaging Options
■ 68-pin QFN (8 × 8 × 1.0 mm)
■ 88-pin QFN (10 × 10 × 1.0 mm)
■ Industrial temperature range (–40 °C to +85 °C)
Errata: For information on silicon errata, see Errata on page 30. Details include trigger conditions, devices affected, and proposed workaround.
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-73643 Rev. *F
• San Jose, CA 95134-1709 • +1-408-943-2600
Revised February 25, 2014
Free Datasheet http://www.0PDF.com
1 page  
CYUSB330x
CYUSB331x
CYUSB332x
Product Features
Shared Link
Figure 1. Application of Shared Link in a Notebook
Example: Shared Link Provides Six USB Ports in a Notebook
Notebook PC
Motherboard
USB 3.0
Camera
SS 4
(internal)
USB 2.0
WiFi Module
USB 2.0 2
USB 3.0 Port Split Into SS Port and Standard USB 2.0 Port
Standard
USB 2.0 Port
PC
Chipset
USB 3.0 6
DS4
6 HX3
DS3
USB 3.0 6
SS
(internal) 4
USB 3.0
Card Reader
6
USB 3.0
6
USB 3.0
2
USB 2.0
Internal
SS Port
USHBX3.30 Port
Shared Link is a Cypress-proprietary feature that enables a
USB 3.0 port to be split into an embedded SS port and a
standard USB 2.0 port. Shared Link enables a maximum of eight
DS ports from a four-port USB 3.0 hub.
For example, if one of the DS ports is connected to an embedded
SS device, such as a USB 3.0 camera, HX3 enables the system
designer to reuse the USB 2.0 signals of that specific port to
connect to a standard USB 2.0 device. Figure 1 shows how
Shared Link can be used in an application.
Figure 2. DS Port VBUS Control in Shared Link
HX3
USB 3.0 DS Port
SuperSpeed
PHY
USB 2.0
PHY
VBUS
VBUS
switch is controlled by HX3, which generates an output signal
called DSx_VBUSEN_SL. This signal resets the VBUS for the
embedded device.
DSx_PWREN is another output signal generated by HX3 and
controls VBUS for the removable USB 2.0 device. For example,
when an overcurrent condition occurs, DSx_PWREN turns off
the port power.
Ghost Charge
Ghost Charge is a Cypress-proprietary feature for charging USB
devices on the DS port when the US port is not connected to a
host. For example, in a docking station with HX3 as shown in
Figure 3, when the laptop is undocked, HX3 will emulate a
dedicated charging port (DCP) to provide charge to a phone
connected on a DS port.
Figure 3. Ghost Charge
Power to Smartphone
(HX3’s Downstream Port)
Embedded
SuperSpeed
Device
Removable
USB 2.0
Device
The Shared Link mode requires a separate VBUS control for the
USB 2.0 device and the embedded SS device. Figure 2 shows
the VBUS control implementation.
To ensure that the embedded SS device does not fall back to
USB 2.0 operation, an external power switch is required. This
USB Cable
HX3
Notebook PC
Undocked
Charge a smartphone without docking the notebook
Document Number: 001-73643 Rev. *F
Page 5 of 33
Free Datasheet http://www.0PDF.com
5 Page 
Figure 8. HX3 88-Pin QFN 2-Port Pinout
CYUSB330x
CYUSB331x
CYUSB332x
88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67
DS2_OVRCURR 1
DS1_AMBER 2
DS1_GREEN 3
DS1_LED_SS 4
DS2_AMBER 5
DS2_GREEN 6
RREF_USB2 7
DVDD12 8
AVDD33 9
US_TXM 10
US_TXP 11
DVDD12 12
US_RXM 13
US_RXP 14
AVDD12 15
NC 16
NC 17
DVDD12 18
NC 19
NC 20
AVDD12 21
VBUS_US 22
88-Pin QFN
66 VDD_IO
65 DS3_OVRCURR
64 DS3_GREEN
63 DS3_LED_SS
62 AVDD12
61 DS1_RXP
60 DS1_RXM
59 DVDD12
58 DS1_TXM
57 DS1_TXP
56 AVDD12
55 DS2_RXP
54 DS2_RXM
53 DVDD12
52 DS2_TXM
51 DS2_TXP
50 GND
49 NC
48 NC
47 DVDD12
46 NC
45 NC
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
Document Number: 001-73643 Rev. *F
Page 11 of 33
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CYUSB3328.PDF ] | |
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