Description
XR16M554/554D 1.62V TO 3.63V QUAD UART WITH 16-BYTE FIFO www.DataSheet4U.com MAY 2008 REV.1.0.0 GENERAL .
The XR16M554 (M554) is a quad Universal Asynchronous Receiver and Transmitter (UART) with 16 bytes of transmit and receive FIFOs, selectable receive F.
Features
* Pin-to-pin compatible with ST16C454, ST16C554,
TI’s TL16C554A and NXP’s SC16C554B
* Intel or Motorola Data Bus Interface select
* Four independent UART channels
* Register Set Compatible to 16C550 Data rates of up to 4 Mbps at 3.3 V, 3.125 Mbps at 2.5 V and 2 M
Applications
* Portable Appliances
* Telecommunication Network Routers
* Ethernet Network Routers
* Cellular Data Devices
* Factory Automation and Process Controls
FIGURE 1. XR16M554 BLOCK DIAGRAM
1.62 V to 3.6 V VCC GND UART Channel A UART 16 Byte TX FIFO Regs TX & RX BR
