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XR21V1412IL32
XR21V1412IL32 - Brand New EXAR Network Interface Card (NIC)
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
GENERAL DESCRIPTION
The XR21V1412 (V1412) is an enhanced 2-channel Universal Asynchronous Receiver
and Transmitter (UART) with a USB interface. The USB interface is fully
compliant to Full Speed USB 2.0 specification that supports 12 Mbps USB data
transfer rate. The USB interface also supports USB suspend, resume and remote
wakeup operations.
The V1412 operates from an internal 48MHz clock therefore no external
crystal/oscillator is required like previous generation UARTs. With the
fractional baud rate generator, any baud rate can accurately be generated
using the internal 48MHz clock.
The large 128-byte FIFO and 384-byte RX FIFO of the V1412 helps to optimize
the overall data throughput for various applications. The Automatic
Transceiver Direction control feature simplifies both the hardware and
software for half-duplex RS-485 applications. If required, the multidrop
(9-bit) mode with automatic half-duplex transceiver control feature further
simplifies typical multidrop RS-485 applications.
The V1412 operates from a single 2.97 to 3.63 volt power supply and has 5V
tolerant inputs. The V1412 is available in a 32-pin QFN package.
Software drivers for Windows 2000, XP, Vista, and CE, as well as Linux and Mac
are supported for the XR21V1412.
FEATURES
● USB 2.0 Compliant Interface
■ Supports 12 Mbps USB full-speed data rate
■ Supports USB suspend, resume and remote
wakeup operations
● Enhanced Features of each UART
■ Data rates up to 12 Mbps
■ Fractional Baud Rate Generator
■ 128 byte TX FIFO
■ 384 byte RX FIFO
■ 7, 8 or 9 data bits, 1 or 2 stop bits
■ Automatic Hardware (RTS/CTS or DTR/DSR)
Flow Control
■ Automatic Software (Xon/Xoff) Flow Control
■ Multidrop mode w/ Auto Half-Duplex
Transceiver Control
■ Multidrop mode w/ Auto TX Enable
■ Half-Duplex mode
■ Sleep Mode with Remote Wake-up
■ Selectable GPIO or Modem I/O
● Internal 48 MHz clock
● Single 2.97-3.63V power supply
● 5V tolerant inputs
● 32-pin QFN package
● Virtual COM Port drivers
■ Windows 2000, XP and Vista
■ Windows CE 4.2, 5.0, 6.0
■ Linux
■ Mac
APPLICATIONS
● Portable Appliances
● External Converters (dongles)
● Battery-Operated Devices
● Cellular Data Devices
● Factory Automation and Process Controls
● Industrial applications
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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