XR16V564 uart equivalent, 2.25v to 3.6v quad uart.
* Pin-to-pin compatible with ST16C454, ST16C554,
TI’s TL16C754B and Philip’s SC16C754B
* Intel or Motorola Data Bus Interface select
* Four independent UART.
* Portable Appliances
* Telecommunication Network Routers
* Ethernet Network Routers
* Cellular Data De.
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.
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