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AU9720

Features: · Support USB Specification v1.1 and USB CDC v1.1· Support the RS232 Serial interface· Support automatic handshake mode· Support automatic hardware flow control with CTS/RTS· Support automatic software flow control with XON/XOFF· Support Remote wake-up and power management· 384/128 bytes...

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SeekIC No. : 004291691 Detail

AU9720: Features: · Support USB Specification v1.1 and USB CDC v1.1· Support the RS232 Serial interface· Support automatic handshake mode· Support automatic hardware flow control with CTS/RTS· Support autom...

AU9720 Data Sheet

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Part Number:
AU9720
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Support USB Specification v1.1 and USB CDC v1.1
· Support the RS232 Serial interface
· Support automatic handshake mode
· Support automatic hardware flow control with CTS/RTS
· Support automatic software flow control with XON/XOFF
· Support Remote wake-up and power management
· 384/128 bytes buffer each for upstream and downstream data flow
· Support default ROM or external EEPROM for device configuration
· On chip USB transceiver
· Crystal oscillator running at 12MHz
· Support Windows 98/SE, ME, 2000, XP, Windows CE3.0, CE.NET, Linux, and Mac OS
· 28 Pins SSOP Lead-Free package


Application

The following diagram shows several typical applications using AU9720. By connecting the USB connector to a desktop or notebook PC through AU9720, which is implemented as a bus-powered, a programmable speed could be gained to transfer data between PC and mobile phones with much higher baud rate speed than what normal UART devices could offer.


Pinout

Connection Diagram


Description

The AU9720 operates as a bridge between one USB port and one standard RS232 Serial port. The two large on-chip buffers have been pre-configured to accommodate the data flow between two different buses. The USB bulk-type data is adopted for maximum data transfer, which could be up to 6M bits/sec. Automatic handshake is supported at the Serial port. With these, a much higher baud rate can be achieved compared to the system uses legacy UART controller.

This AU9720 device is also compliant with USB power management and remote wakeup scheme. Only minimum required power is consumed from the host during Suspend. By integrating all the function in a 28-SSOP package, this chip is suitable to be embedded inside a data cable. With such cables, users can connect between a PC host and any device with RS232 interface.




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