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ATMEGA103-6AC - ATMega103 64-Pin 6MHz 128kb 8-bit Microcontroller - Buy ATMEGA103-6AC

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ATMEGA103-6AC - ATMega103 64-Pin 6MHz 128kb 8-bit Microcontroller

Features

arrowUtilizes the AVR RISC Architecture

arrowHigh-performance and Low-power 8-bit RISC Architecture

  • - 121 Instructions - Most Single Clock Cycle Execution
  • - 32 x 8 General Purpose Working Registers
  • - Up to 6 MIPS Throughput at 6MHz
  • - Fully Static Operation

arrowData and Nonvolatile Program Memory

  • - 128k Bytes of In-System Self-Programmable Flash
  • - Programmable Lock for Flash Program and EEPROM Data Security
  • - 4K Bytes EEPROM
  • - 4K Bytes Internal SRAM
  • - SPI Interface for In-System Programming

arrowPeripheral Features

  • - On-chip Analog Comparator
  • - Programmable Watchdog Timer with Separate On-chip Oscillator
  • - Real Time Counter with Separate Oscillator
  • - Master/Slave SPI Serial Interface
  • - Two 8-bit Timer/Counters with Separate Prescalar, Compare
  • - Expanded 16-bit Timer/Counter with Separate Prescaler, Compare and Capture mode
  • - 8-channel, 10-bit ADC

arrowSpecial Microcontroller Features

  • - Low-power Idle, Power-save and Power-down Modes
  • - Software Selectable Clock Frequency
  • - External and Internal Interrupt Sources

arrowI/O and Packages

  • - 32 Programmable I/O Lines
  • - 64-lead TQFP

Pin Layout
ATmega103L Pin Layout

Pin Description
Pin Number Description
1 PEN - Programming Enable
2 - 9 PE0 - PE7 - Port E
10 - 17 PB0 - PB7 - Port B
18 TOSC2 - Oscillator Output
19 TOSC1 - Oscillator Input
20 RESET - Reset
21 Vcc - Positive Power Supply
22 GND - Ground
23 XTAL2 - Crystal
24 XTAL1 - Crystal
25 - 32 PD0 - PD7 - Port D
33 WR - External SRAM Write Strobe
34 RD - External SRAM Read Strobe
35 - 42 PC0 - PC7 - Port C
43 ALE - Address Latch Enable
44 - 51 PA7 - PA0 - Port A
52 Vcc - Positive Power Supply
53 GND - Ground
54 - 61 PF7 - PF0 - Port F
62 AREF - Analog Reference
63 GND - Ground
64 AVCC - Analog Power Supply

Dimensional Drawing
ATmega103 TQFP64 Dimension Drawing

Technical Data

Datasheet

Microchip Web Site - Datasheet for ATmega103 Datasheet

Application Notes