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XR21V1412IL32 (QFN-32)
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XR21V1412IL32 (QFN-32)

  • Category:Low dropout linear regulator
  • Product Name:Enhanced 1-way full-speed USB UART
  • Manufacturers:SIPEX
  • Production Batch Number:11+
  • Encapsulation:SMD
  • Stock Status:There is stock
  • Stock Quantity:30000
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on XR21V1412IL32 (QFN-32).
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  • Product introduction


    
USB 2.0 compatible interface
        
Supports a USB full-speed data rate of 12 Mbps
        
Supports USB suspend, resume and remote wake-up operations
    
Enhanced UART functionality
        
Data transfer rates up to 12 Mbps
        
Decimal baud rate generator
        
128 bytes of send FIFO
        
3.84 bytes receive FIFO
        
7, 8 or 9 data bits
        
1 or 2 stop bits
        
Odd, even, marked, spatial or no checksum
        
Automatic hardware (RTS/CTS or DTR/DSR) flow control
        
Automatic software (XON/XOFF) flow control
        
Multipoint mode
        
Automatic transceiver control
        
Half-duplex mode
        
GPIO or modem optional I/O
    
The internal 48 MHz clock can be programmed down to a 6 MHz clock divisor
    
Single 5V power supply
    
16-pin QFN package
    
Virtual COM port driver
        
Windows 7, 2000, XP and Vista
        
Windows CE 4.2, 5.0, 6.0
        
Linux
        
apple

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Portable appliances
    
External Converter (Dongle)
    
Battery-powered devices
    
Cellular data devices
    
Factory automation and process control
    
Industrial applications




       
Exar's I/O Lab - Easy-to-use online programming design tool

    
User manual
    
OTP programming tools

illustrate

The XR21B1411 (B1411) is an enhanced universal asynchronous receiver and transmitter and a USB interface (UART).The USB interface is fully compliant with the full-speed USB 2.0 specification and supports a USB data transfer rate of 12 Mbps.The USB interface also supports USB suspend, resume and remote wake-up operations.

The B1411 uses an internal clock that can be programmed to 6, 12, 24 or 48 MHz.Therefore, there is no need for an external crystal/oscillator, and a UART of the previous generation is required.With the fractional baud rate generator, arbitrary baud rates up to 12 Mbps can be accurately generated using an internal clock.

The B1411 with a large transmit FIFO of 128 bytes and a receive FIFO of 384 bytes helps optimize the overall data throughput of various applications.The transceiver's automatic directional control simplifies hardware and software for half-duplex RS-485 applications.If required, multipoint (9-bit) with automatic half-duplex transceiver control function mode further simplifies typical multipoint RS-485 applications.

Vendor ID, product ID, bus power mode, self-powered mode, remote wake-up support or maximum power consumption values, and default baud rate settings can be programmed using OTP via USBD+/USBD-pinboards.

The B1411 operates from a single 5V supply in a 16-pin QFN package.

Software drivers for Windows 7, 2000 and XP, Vista and CE certified, and Linux and Mac are supported XR21B1411

andXR21V1412IL32 (QFN-32)Related ICs are:


Model Manufacturers lot number encapsulation illustrate
XR21V1412IL32-F XR 10+11+   Hong Kong spot, imported original
XR21V1412IL32 (QFN-32) SIPEX 11+ SMD Enhanced 1-way full-speed USB UART

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