ATMEGA161 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA161

8-bit Microcontroller with 16K Bytes In-System Programmable Flash

Atmel Corporation 

Features

• High-performance, Low-power AVR® 8-bit Microcontroller

• Advanced RISC Architecture

– 130 Powerful Instructions - Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 8 MIPS Throughput at 8 MHz

– On-chip 2-cycle Multiplier

• Program and Data Memories

– 16K Bytes of Nonvolatile In-System Programmable Flash

Endurance: 1,000 Write/Erase Cycles

– Optional Boot Code Memory with Independent Lock Bits

Self-programming of Program and Data Memories

– 512 Bytes Nonvolatile In-System Programmable EEPROM

Endurance: 100,000 Write/Erase Cycles

– 1K Bytes Internal SRAM

– Programming Lock for Software Security

• Peripheral Features

– 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

– Dual Programmable Serial UARTs

– Master/Slave SPI Serial Interface

– Real Time Counter with Separate Oscillator

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-chip Analog Comparator

• Special Microcontroller Features

– Power-on Reset and Programmable Brown-out Detection

– External and Internal Interrupt Sources

– Three Sleep Modes: Idle, Power Save and Power-down

• I/O and Packages

– 35 Programmable I/O Lines

– 40-pin PDIP, 44-pin PLCC and TQFP

• Operating Voltages

– 2.7V - 5.5V (ATmega161L), 4.0V - 5.5V (ATmega161)

• Speed Grades

– 0 - 4 MHz (ATmega161L), 0 - 8 MHz (ATmega161)

• Commercial and Industrial Temperature Ranges

8-bit

Microcontroller

with 16K Bytes

In-System

Programmable

Flash

ATmega161

ATmega161L

Advance

Information

Rev. 1228A–08/99

1

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