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XR16V564

Exar Corporation
Part Number XR16V564
Manufacturer Exar Corporation
Description 2.25V TO 3.6V QUAD UART
Published Aug 20, 2007
Detailed Description www.DataSheet4U.com MAY 2007 XR16V564/564D 2.25V TO 3.6V QUAD UART WITH 32-BYTE FIFO REV. 1.0.1 GENERAL DESCRIPTION Th...
Datasheet PDF File XR16V564 PDF File

XR16V564
XR16V564

Overview
www.
DataSheet4U.
com MAY 2007 XR16V564/564D 2.
25V TO 3.
6V QUAD UART WITH 32-BYTE FIFO REV.
1.
0.
1 GENERAL DESCRIPTION The XR16V5641 (V564) is an enhanced quad Universal Asynchronous Receiver and Transmitter (UART) with 32 bytes of transmit and receive FIFOs, programmable transmit and receive FIFO trigger levels, automatic hardware and software flow control, and data rates of up to 16 Mbps at 4X sampling rate.
Each UART has a set of registers that provide the user with operating status and control, receiver error indications, and modem serial interface controls.
An internal loopback capability allows onboard diagnostics.
The V564 is available in a 48-pin QFN, 64-pin LQFP, 68-pin PLCC and 80-pin LQFP packages.
The 64-pin and 80-pin packages only offer the 16 mode interface, but the 48 and 68 pin packages offer an additional 68 mode interface which allows easy integration with Motorola processors.
The XR16V564IV (64-pin) offers three state interrupt output while the XR16V564DIV provides continuous interrupt output.
The XR16V564 is compatible with the industry standard ST16C554 and ST16C654/ 654D.
NOTE: 1 Covered by U.
S.
Patent #5,649,122.
FEATURES • Pin-to-pin compatible with ST16C454, ST16C554, TI’s TL16C754B and Philip’s SC16C754B • Intel or Motorola Data Bus Interface select • Four independent UART channels ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Register Set Compatible to 16C550 Data rates of up to 16 Mbps 32 byte Transmit FIFO 32 byte Receive FIFO with error tags 4 Selectable TX and RX FIFO Trigger Levels Automatic Hardware (RTS/CTS) Flow Control Automatic Software (Xon/Xoff) Flow Control Programmable Xon/Xoff characters Wireless Infrared (IrDA 1.
0) Encoder/Decoder Full modem interface • 2.
25V to 3.
6V supply operation • Sleep Mode with automatic wake-up • Crystal oscillator or external clock input APPLICATIONS • Portable Appliances • Telecommunication Network Routers • Ethernet Network Routers • Cellular Data Devices • Factory Automation and Process Controls FIGURE 1.
XR16V564 ...


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