Datasheet Summary
19-1453; Rev 0; 6/99
SPI/MICROWIRE-patible UART with Integrated True Fail-Safe RS-485/RS-422 Transceivers
General Description
The MAX3140 is a plete universal asynchronous receiver-transmitter (UART) and a true fail-safe RS485/RS-422 transceiver bined in a single 28-pin QSOP package for space-, cost-, and power-constrained applications. The MAX3140 saves additional board space as well as microcontroller (µC) I/O pins by featuring an SPI™/QSPI™/MICROWIRE™-patible serial interface. It is pin-programmable for configuration in all RS-485/RS-422 networks. The MAX3140 includes a single RS-485/RS-422 driver and receiver featuring true fail-safe circuitry, which guarantees a...