Description
ST16C654/654D 2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO OCTOBER 2003 REV.5.0.0 GENERAL .
The ST16C654/654D1 (654) is an enhanced quad Universal Asynchronous Receiver and Transmitter (UART) each with 64 bytes of transmit and receive FIFOs,.
Features
* Pin-to-pin compatible with ST16C454, ST16C554
and TI’s TL16C554AFN and TL16C754BFN
* Intel or Motorola Data Bus Interface select
* Four independent UART channels
s Register Set Compatible to 16C550 s Data rates of up to 1.5 Mbps s 64 Byte Transmit FIFO s 64 Byte Receive FIF
Applications
* Portable Appliances
* Telecommunication Network Routers
* Ethernet Network Routers
* Cellular Data Devices
* Factory Automation and Process Controls
FIGURE 1. ST16C654 BLOCK DIAGRAM
A2:A0
D7:D0
IOR# IOW#
CSA#
CSB#
CSC#
CSD# INTA INTB INTC INTD
CHCCLK TXRDY
