MAX14830ETM+T

MAX14830ETM+T is an advanced quad universal asynchronous receiver-transmitter (UART), each UART having 128 words of receive and transmit first-in/first-out (FIFO) and a high-speed serial peripheral interface (SPI) or I2C controller interface. A PLL and fractional baud-rate generators allow a high degree of flexibility in baud-rate programming and reference clock selection. 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 transmitters as well as clock generation on GPIOs. Applications include industrial control systems, programmable logic controllers (PLC), IO-link controllers, medical systems, point-of-sales systems, and airplane communication buses.

• Deep, 128-word buffer and automated control features 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 and active-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
• 48 TQFN-EP package
• Temperature range from -40°C to +85°C

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