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The XR16V6541 (V654) is an enhanced quad Universal Asynchronous Receiver and Transmitter (UART) each with 64 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
Features
Pin-to-pin compatible with ST16C454, ST16C554, TI’s TL16C754B and Philips’ SC16C654B
Intel or Motorola Data Bus Interface select
Four independent UART channels
Register Set Compatible to 16C550
Data rates of up to 16 Mbps
64 Byte Transmit FIFO
64 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
Progammable 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
Pb-Free, RoHS Compliant Versions Offered
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