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M44C090 - (M44C890 / M44C090) Low Current Microcontroller

Download the M44C090 datasheet PDF. This datasheet also covers the M44C890 variant, as both devices belong to the same (m44c890 / m44c090) low current microcontroller family and are provided as variant models within a single manufacturer datasheet.

General Description

Name VDD VSS nc nc BP20 BP21 BP22 BP23 BP40 BP41 BP42 BP43 Type Function Supply voltage Circuit ground Not connected Not connected Bidirectional I/O Bidirectional I/O Bidirectional I/O Bidirectional I/O Bidirectional I/O Alternate Function

Key Features

  • / Benefits D 2-Kbyte ROM, 256 x 4-bit RAM D 12 bidirectional I/Os D Up to 6 external / internal interrupt sources D Multifunction timer/counter with.
  • IR remote control carrier generator.
  • Biphase-, Manchester- and pulse-width modulator D Programmable system-clock with prescaler and five different clock sources V SS VDD D Wide supply voltage range (1.8 to 6.5 V) D Very low sleep current (< 1 µA) D 32 x 16-bit EEPROM (M44C890 only) D Synchronous serial interface (2-wire, I2C, 3-w.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (M44C890_Atmel.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
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M44C890 (M44C890 / M44C090) Low Current Microcontroller TEMIC
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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
M44C090-H (M44C890-H / M44C090-H) Low Current Microcontroller
M44C890 (M44C890 / M44C090) Low Current Microcontroller
M44C890-H (M44C890-H / M44C090-H) Low Current Microcontroller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
M44C090 M44C890 Low-Current Microcontroller for Wireless Communication The M44C090 and M44C890 are members of Atmels family of 4-bit single-chip microcontrollers. They offer highest integration for IR and RF data communication and remote-control applications. The M44C090 / M44C890 is suitable for the transmitter side. It contains ROM, RAM, parallel I/O ports, one 8-bit programmable multifunction timer/ counter with modulator function, voltage supervisor, interval timer with watchdog function and a sophisticated on-chip clock generation with external clock input, integrated RC-, 32-kHz crystal- and 4-MHz crystal-oscillators. The M44C890 has an additional EEPROM as a second chip in one package.