MAX14830ETM+ Maxim Integrated Products, MAX14830ETM+ Datasheet

MAX14830ETM+

Manufacturer Part Number

MAX14830ETM+

Description

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX14830ETM.pdf (68 pages)

Specifications of MAX14830ETM+

Pack_quantity

Comm_code

85423990

Lead_time

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19-5547; Rev 1; 12/10

The MAX14830 is an advanced quad universal asyn-

chronous receiver-transmitter (UART), each UART hav-

ing 128 words of receive and transmit first-in/first-out

(FIFO) and a high-speed serial peripheral interface

(SPIK) or I

baud-rate generators allow a high degree of flexibility in

baud-rate programming and reference clock selection.

Each of the four UARTs is selected by in-band SPI/I

addressing. Logic-level translation on the transceiver

and controller interfaces allows ease of interfacing to

microcontrollers, FPGAs, and transceivers that are pow-

ered by differing supply voltages.

Extensive features simplify transceiver control in half-

duplex communication applications. The MAX14830

features the ability to synchronize the start of individual

UART’s transmission by SPI-based triggering. On-board

timers allow programming of delays between transmit-

ters as well as clock generation on GPIOs.

The 128-word FIFOs have advanced FIFO control reduc-

ing host processor data flow management.

The MAX14830 is available in a 48-pin TQFN (7mm x

7mm) package and is specified to operate over the

extended -40NC to +85NC temperature range.

Typical Operating Circuits appear at end of data sheet.

SPI is a trademark of Motorola, Inc.

IrDA is a registered service mark of Infrared Data Association

Corporation.

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

Industrial Control Systems

Programmable Logic Controllers (PLC)

IO-Link Master Controllers

Automotive Infotainment Systems

Medical Systems

Point-of-Sales Systems

Airplane Communication Buses

C controller interface. A PLL and fractional

_______________________________________________________________ Maxim Integrated Products 1

Quad Serial UART with 128-Word FIFOs

General Description

Applications

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

and Internal Oscillator

MAX14830ETM+

SPI Up to 26MHz Clock Rate

Fast-Mode Plus (Fm+) I

128-Word Transmit and Receive FIFOs Per UART

6Mbaud (max) Data Rate in 16x Sampling Mode

12/24Mbaud (max) Data Rate in 2x/4x Rate Modes

Integrated Internal Oscillator, External Crystal, or

Clock Functionality

Fractional Baud-Rate Generators, Predivider, and

Phase-Locked Loop (PLL)

Transmitter Synchronization Through SPI

Commands

Four Timers Routed to GPIOs

Automatic Hardware Flow Control Using RTS_

and CTS_ Outputs and Inputs

Automatic Software Flow Control (XON/XOFF)

Auto Transceiver Direction Control

Programmable Setup and Hold Times for

Transceiver Control

Auto Transmitter Disable

Half-Duplex Echo Suppression

Special Character Detection

9-Bit Multidrop Mode Address Detection and

Filtering

SIR- and MIR-Compliant IrDA

16 Flexible GPIOs with 20mA Drive Capability

+2.35V to +3.6V Supply Range

Logic-Level Translation Down to 1.61V on

Controller and Transceiver Interfaces

Small TQFN (7mm x 7mm) Package

PART

-40NC to +85NC

TEMP RANGE

Ordering Information

C Interface Up to 1MHz

Encoder/Decoders

PIN-PACKAGE

48 TQFN-EP*

Features

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