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ST16C554D

MaxLinear
Part Number ST16C554D
Manufacturer MaxLinear
Description 2.97V to 5.5V Quad UART
Published Oct 2, 2023
Detailed Description ST16C554 / ST16C554D / ST68C554 Data Sheet 2.97V to 5.5V Quad UARTs with 16-Byte FIFO General Description The ST16C554,...
Datasheet PDF File ST16C554D PDF File

ST16C554D
ST16C554D

Overview
ST16C554 / ST16C554D / ST68C554 Data Sheet 2.
97V to 5.
5V Quad UARTs with 16-Byte FIFO General 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.
An internal loopback capability allows onboard diagnostics.
The ST16C554 is available in a 64-pin LQFP package, the ST16C554D is available in both a 64-pin LQFP and a 68-pin PLCC package, and the ST68C554 is available in a 68-pin PLCC package.
The 64-pin package only offers the 16 mode interface, but the 68-pin package offers an additional 68 mode interface which allows easy integration with Motorola processors.
The ST16C554CQ64 (64-pin) offers three-state interrupt output while the ST16C554DCQ64 provides continuous interrupt output.
The ST16C554 and ST16C554D combine the package interface modes of the 16C554 and 68C554 on a single integrated chip.
Ordering Information - page 32 Features ■ Pin-to-pin compatible with the industry standard ST16C454, ST68C454, ST68C554, TI’s TL16C554A and Philips’ SC16C554B ■ Intel or Motorola data bus interface select ■ Four independent UART channels  Register set compatible to 16C550  Data rates of up to 1.
5Mbps at 5V  Data rates of up to 500kbps at 3.
3V  16 byte transmit FIFO  16 byte receive FIFO with error tags  4 selectable RX FIFO trigger levels  Full modem interface ■ 2.
97V to 5.
5V supply operation ■ Crystal oscillator or external clock input Applications ■ Portable appliances ■ Telecommunication network routers ■ Ethernet network routers ■ Cellular data devices ■ Factory automation and process controls Block Diagram A2:A0 D7:D0 IOR# IOW# CSA# CSB# CSC# CSD# INTA INTB INTC INTD TXRDY# A-D RXRDY# A-D Reset 16/68# INTSEL Data Bus Int...


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