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MAX3111E

SPI/MICROWIRE-Compatible UART and ?15kV ESDProtected RS-232 Transceivers with Internal Capacitors

GeneralDescription TheMAX3110E/MAX3111Ecombineafull-featureduniversalasynchronousreceiver/transmitter(UART)with ±15kVESD-protectedRS-232transceiversandintegratedcharge-pumpcapacitorsintoasingle28-pinpackageforuseinspace-,cost-,andpower-constrainedapplications.

MAX3111E

SPI/MICROWIRE兼容的UART及±15kV ESD保護(hù)、RS-232收發(fā)器，內(nèi)置電容; ? Integration Reduces Cost and Board Space \n? Integrated RS-232 Transceiver and UART in a Single 28–Pin Package \n? Guaranteed 230kbps Data Rate \n? SPI/QSPI/MICROWIRE-Compatible μC Interface \n? Internal Charge-Pump Capacitors—No External Components Required \n? Low-Power Operation Reduces Thermal Dissipation \n? True RS-232 Operation Down to VCC = +3V (MAX3111E) \n? Single-Supply Operation \n? +5V (MAX3110E) \n? +3.3V (MAX3111E) \n? 600μA Supply Current \n? 10μA Shutdown Supply Current with Receiver Interrupt Active \n? Hardware/Software-Compatible with MAX3100 and MAX3222E;

The MAX3110E/MAX3111E combine a full-featured universal asynchronous receiver/transmitter (UART) with ±15kV ESD-protected RS-232 transceivers and integrated charge-pump capacitors into a single 28-pin package for use in space-, cost-, and power-constrained applications. The MAX3110E/MAX3111E also feature an SPI?/QSPI?/MICROWIRE?-compatible serial interface to save additional board space and microcontroller (μC) I/O pins.\nA proprietary low-dropout output stage enables the 2-driver/2-receiver interface to deliver true RS-232 performance down to VCC = +3V (+4.5V for MAX3110E) while consuming only 600μA. The receivers remain active in a hardware/software-invoked shutdown, allowing external devices to be monitored while consuming only 10μA. Each device is guaranteed to operate at up to 230kbps while maintaining true EIA/TIA-232 output voltage levels.\nThe MAX3110E/MAX3111E's UART includes a crystal oscillator and baud-rate generator with software-programmable divider ratios for all common baud rates from 300baud to 230kbaud. The UART features an 8-word-deep receive FIFO that minimizes processor overhead and provides a flexible interrupt with four maskable sources. Two control lines (one input and one output) are included for hardware handshaking.\nThe UART and RS-232 functions can be used together or independently since the two functions share only supply and ground connections (the MAX3110E/MAX3111E are hardware- and software-compatible with the MAX3100 and MAX3222E).

MAX3111E

SPI/MICROWIRE-Compatible UART and ?15kV ESDProtected RS-232 Transceivers with Internal Capacitors

MAX3111ECNI

SPI/MICROWIRE-Compatible UART and ?15kV ESDProtected RS-232 Transceivers with Internal Capacitors

GeneralDescription TheMAX3110E/MAX3111Ecombineafull-featureduniversalasynchronousreceiver/transmitter(UART)with ±15kVESD-protectedRS-232transceiversandintegratedcharge-pumpcapacitorsintoasingle28-pinpackageforuseinspace-,cost-,andpower-constrainedapplications.

MAX3111ECWI

SPI/MICROWIRE-Compatible UART and ?15kV ESDProtected RS-232 Transceivers with Internal Capacitors

GeneralDescription TheMAX3110E/MAX3111Ecombineafull-featureduniversalasynchronousreceiver/transmitter(UART)with ±15kVESD-protectedRS-232transceiversandintegratedcharge-pumpcapacitorsintoasingle28-pinpackageforuseinspace-,cost-,andpower-constrainedapplications.

MAX3111EENI

SPI/MICROWIRE-Compatible UART and ?15kV ESDProtected RS-232 Transceivers with Internal Capacitors

GeneralDescription TheMAX3110E/MAX3111Ecombineafull-featureduniversalasynchronousreceiver/transmitter(UART)with ±15kVESD-protectedRS-232transceiversandintegratedcharge-pumpcapacitorsintoasingle28-pinpackageforuseinspace-,cost-,andpower-constrainedapplications.

MAX3111EEWI

SPI/MICROWIRE-Compatible UART and ?15kV ESDProtected RS-232 Transceivers with Internal Capacitors

GeneralDescription TheMAX3110E/MAX3111Ecombineafull-featureduniversalasynchronousreceiver/transmitter(UART)with ±15kVESD-protectedRS-232transceiversandintegratedcharge-pumpcapacitorsintoasingle28-pinpackageforuseinspace-,cost-,andpower-constrainedapplications.

MAX3111ECNI

SPI/MICROWIRE-Compatible UART and ?15kV ESDProtected RS-232 Transceivers with Internal Capacitors

MAX3111ECWI

SPI/MICROWIRE-Compatible UART and ?15kV ESDProtected RS-232 Transceivers with Internal Capacitors

MAX3111EENI

SPI/MICROWIRE-Compatible UART and ?15kV ESDProtected RS-232 Transceivers with Internal Capacitors