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ATMEGA103 - 8-bit Microcontroller

Download the ATMEGA103 datasheet PDF. This datasheet also covers the ATM-EGA variant, as both devices belong to the same 8-bit microcontroller family and are provided as variant models within a single manufacturer datasheet.

General Description

The ATmega103(L) is a low-power, CMOS, 8-bit microcontroller based on the AVR RISC architecture.

Key Features

  • Utilizes the AVR® RISC Architecture.
  • AVR.
  • High-performance and Low-power RISC Architecture.
  • 121 Powerful Instructions.
  • Most Single Clock Cycle Execution.
  • 32 x 8 General Purpose Working Registers + Peripheral Control Registers.
  • Up to 6 MIPS Throughput at 6 MHz.
  • Data and Nonvolatile Program Memory.
  • 128K Bytes of In-System Programmable Flash Endurance: 1,000 Write/Erase Cycles.
  • 4K Bytes Internal SRAM.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ATM-EGA-103.pdf) that lists specifications for multiple related part numbers.

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
Features • Utilizes the AVR® RISC Architecture • AVR – High-performance and Low-power RISC Architecture – 121 Powerful Instructions – Most Single Clock Cycle Execution – 32 x 8 General Purpose Working Registers + Peripheral Control Registers – Up to 6 MIPS Throughput at 6 MHz • Data and Nonvolatile Program Memory – 128K Bytes of In-System Programmable Flash Endurance: 1,000 Write/Erase Cycles – 4K Bytes Internal SRAM – 4K Bytes of In-System Programmable EEPROM Endurance: 100,000 Write/Erase Cycles – Programming Lock for Flash Program and EEPROM Data Security – SPI Interface for In-System Programming • Peripheral Features – On-chip Analog Comparator – Programmable Watchdog Timer with On-chip Oscillator – Programmable Serial UART – Master/Slave SPI Serial Interface – Real-time Counter (RTC)