ATMEGA103(1999) View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA103
(Rev.:1999)

8-bit Microcontroller with 64K/128K Bytes In-System Programmable Flash

Atmel Corporation 

Features

• Utilizes the AVR® RISC Architecture

• AVR - High-performance and Low-power RISC Architecture

– 120/121 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

– 64K/128K Bytes of In-System Programmable Flash

Endurance: 1,000 Write/Erase Cycles

– 4K Bytes Internal SRAM

– 2K/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) with Separate Oscillator

– Two 8-bit Timer/Counters with Separate Prescaler and PWM

– Expanded 16-bit Timer/Counter system, with Separate Prescaler,

Compare, Capture Modes and Dual 8-, 9-, or 10-bit PWM

– Programmable Watchdog Timer with On-chip Oscillator

– 8-channel, 10-bit ADC

• Special Microcontroller Features

– Low-power Idle, Power Save and Power Down Modes

– Software Selectable Clock Frequency

– External and Internal Interrupt Sources

• Specifications

– Low-power, High-speed CMOS Process Technology

– Fully Static Operation

• Power Consumption at 4 MHz, 3V, 25°C

– Active: 5.5 mA

– Idle Mode: 1.6 mA

– Power Down Mode: < 1 µA

• I/O and Packages

– 32 Programmable I/O Lines, 8 Output Lines, 8 Input Lines

– 64-pin TQFP

• Operating Voltages

– 2.7 - 3.6V (ATmega603L and ATmega103L)

– 4.0 - 5.5V (ATmega603 and ATmega103)

• Speed Grades

– 0 - 4 MHz (ATmega603L and ATmega103L)

– 0 - 6 MHz (ATmega603 and ATmega103)

8-bit

Microcontroller

with 64K/128K

Bytes In-System

Programmable

Flash

ATmega603

ATmega603L

ATmega103

ATmega103L

Preliminary

Rev. 0945D–06/99

1

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