ST68C554 Overview
Description
The ST16C554, ST16C554D and ST68C554 are each quad Universal Asynchronous Receivers and Transmitters (UARTs) with 16 bytes of transmit and receive FIFOs, selectable receive FIFO trigger levels, and data rates of up to 1.5Mbps. Each UART has a set of registers that provide the user with operating status and control, receiver error indications, and modem serial interface controls.
Key Features
- Intel or Motorola data bus interface select
- 2.97V to 5.5V supply operation
- Crystal oscillator or external clock input
