參數(shù)資料
型號： PDIUSBH12N
廠商： NXP SEMICONDUCTORS
元件分類： 總線控制器
英文描述： USB 2-port hub
中文描述： UNIVERSAL SERIAL BUS CONTROLLER, PDIP28
封裝： 0.600 INCH, PLASTIC, DIP-28
文件頁數(shù)： 2/28頁
文件大小： 170K
代理商： PDIUSBH12N
Philips Semiconductors
Product specification
PDIUSBH12
USB 2-port hub
2
1999 Jul 22
853-2062 22025
FEATURES
Complies with the Universal Serial Bus specification Rev. 1.0
Complies with the ACPI, OnNOW, and USB power management
requirements
Compliant with USB Human Interface Devices and Monitor
Control Class
Compliant with System Management Bus Specification Rev. 1.0
Two downstream ports with per packet connectivity and auto
speed detection
Supports up to 3 embedded functions
Integrated SIE (Serial Interface Engine), FIFO memory and
transceivers
Automatic USB protocol handling
High speed slave I
2
C Interface (up to 1 Mbit/s)
Compatible with the PDIUSBH11 hardware and software
Software controllable connection to USB bus (SoftConnect
)
Good USB downstream connection indicators that blink with traffic
(GoodLink
)
Low frequency 12 MHz crystal oscillator eases EMI design issues
Programmable output clock frequency
Bus powered capability with very low suspend current
Controllable LazyClock output at 30 kHz (nominal) during suspend
Single 3.3V supply with 5V tolerant I/O
Available in 28-pin DIP and SO packages
Full-scan design with high fault coverage (>99%) insures high
quality
Higher than 8 KV in-circuit ESD protection lowers cost of extra
components
DESCRIPTION
The Universal Serial Bus Hub PDIUSBH12 is a cost and feature
optimized second generation USB Hub with 2 downstream ports and
3 embedded functions (compound hub). It is normally used in any
microcontroller-based system and communicates with the system
microcontroller over the high speed I
2
C serial bus. This modular
approach to implementing a hub and embedded functions allows the
designer to choose the optimum system microcontroller from the
available wide variety. This flexibility cuts down the development
time, risks and costs by allowing the use of the existing architecture
and the firmware investments. This results in the fastest way to
develop the most cost-effective USB peripheral solutions that need
hub functionality. The PDIUSBH12 is ideally suited for computer
monitors, docking stations, keyboards and many other applications
that use the I
2
C or the SMBus based architecture.
The PDIUSBH12 conforms to the USB specification Rev 1.0, I
2
C
serial interface and the SMBus specifications. It is fully compliant
with the Human Interface Device Class and Monitor Control Class
specifications. Its low suspend power consumption along with the
programmable LazyClock output allows for easy implementation of
equipment that is compliant to the ACPI, OnNow and USB power
management requirements. The low operating power allows the
implementation of the bus powered or the compound powered hub
function.
The PDIUSBH12 is fully backward compatible to the first generation
PDIUSBH11 hardware and software. This allows an easy running
change in the manufacturing line to realize the cost savings. In
addition, it also incorporates the feature enhancements like
SoftConnect
, GoodLink
, LazyClock, programmable clock output,
lower frequency crystal oscillator, additional embedded functions
and integration of termination resistors. All of these feature
enhancements contribute to significant cost savings in the system
implementation and at the same time ease the implementation of
advanced USB functionality into the peripherals.
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
OUTSIDE NORTH AMERICA
NORTH AMERICA
PKG. DWG. #
28-pin plastic SO
–40
°
C to +85
°
C
–40
°
C to +85
°
C
PDIUSBH12 D
PDIUSBH12 D
SOT136-1
28-pin plastic DIP
PDIUSBH12 N
PDIUSBH12 N
SOT117-1
相關(guān)PDF資料
PDF描述
PDIUSBP11A Universal Serial Bus Transceiver(通用串行總線收發(fā)器)
PDUSBP11APWDH Universal Serial Bus Transceiver
PDIUSBP11AD Universal Serial Bus Transceiver
PDIUSBP11ADB Universal Serial Bus Transceiver
PDIUSBP11APW Universal Serial Bus Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PDIUSBH12NB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER
PDIUSBP11 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus transceiver
PDIUSBP11A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus Transceiver
PDIUSBP11AD 制造商:NXP Semiconductors 功能描述:
PDIUSBP11ADB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus Transceiver
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