MAX14830ETM+T

The MAX14830ETM+T is a versatile quad-channel UART with integrated RS-232, RS-485, and RS-422 transceivers. Its 128-byte FIFO for transmitters and receivers ensures efficient data throughput and minimizes CPU workload. Operating within a broad 1.8V to 5.5V supply range, this device is adaptable to various applications

Key Features

• Bridges an SPI/MICROWIRE or I²C MicroprocessorBus to an Asynchronous Interface like RS-485, RS-232, or IrDA^SM
  • SIR- and MIR-Compliant IrDA Encoder/Decoder
  • Line Noise Indication Ensures Data Link Integrity
• Deep, 128-Word Buffer and Automated ControlFeatures Help Offload Activity on the Microcontroller
  • 128-Word Transmit and Receive FIFOs per UART
  • Transmitter Synchronization Through SPI Commands
  • Automatic Hardware Flow Control Using Active-Low RTS_ andActive-Low 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
  • 9-Bit Multidrop-Mode Data Filtering
    • Special Character Detection
    • GPIO-Based Character Detection
    • Four Timers Routed to GPIOs
    • 16 Flexible GPIOs with 20mA Drive Capability
• Saves Board Space
  • TQFN (7mm × 7mm) Package
• Fast Data Rates Allow Maximum System FlexibilityAcross Interface Standards
  • 6Mbaud (max) Data Rate in 16x Sampling Mode
  • 12/24Mbaud (max) Data Rate in 2x/4x Rate Modes
  • High-Resolution Programmable Baud-Rate
  • SPI Up to 26MHz Clock Rate
  • Fast Mode Plus (Pm+) I²C Up to 1MHz
• Integrated Internal Oscillator Eliminates the Need foran External Oscillator and Reduces the BOM Cost
  • Fractional Baud-Rate Generators, Predivider, and Phase-Locked Loop (PLL)
  • Logic-Level Translation Down to 1.61V on the Controller and Transceiver Interfaces Ensures SystemCompatibility
  • Register Compatible with MAX3107, MAX3108, MAX3109

Application

• Airplane Communication Buses
• Industrial Control Systems
• IO-Link Master Controllers
• Medical Systems
• Point-of-Sales Systems
• Programmable Logic Controllers (PLC)