Rainbow Electronics ATmega8L User Manual

Features

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1

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 16 MIPS Throughput at 16 MHz
– On-chip 2-cycle Multiplier

Nonvolatile Program and Data Memories

– 8K bytes of In-System Self-Programmable Flash

Endurance: 1,000 Write/Erase Cycles

– Optional Boot Code Section with Independent Lock Bits

In-System Programming by On-chip Boot Program
True Read-While-Write Operation

– 512 Bytes EEPROM

Endurance: 100,000 Write/Erase Cycles

– 1K Byte Internal SRAM
– Programming Lock for Software Security

Peripheral Features

– Two 8-bit Timer/Counters with Separate Prescaler, one Compare Mode
– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture

Mode

– Real Time Counter with Separate Oscillator
– Three PWM Channels
– 8-channel ADC in TQFP and MLF package

6 Channels 10-bit Accuracy
2 Channels 8-bit Accuracy

– 6-channel ADC in PDIP package

4 Channels 10-bit Accuracy
2 Channels 8-bit Accuracy

– Byte-oriented 2-wire Serial Interface
– Programmable Serial USART
– Master/Slave SPI Serial Interface
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator

Special Microcontroller Features

– Power-on Reset and Programmable Brown-out Detection
– Internal Calibrated RC Oscillator
– External and Internal Interrupt Sources
– Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down and

Standby

I/O and Packages

– 23 Programmable I/O Lines
– 28-lead PDIP, 32-lead TQFP, and 32-pad MLF

Operating Voltages

– 2.7 - 5.5V (ATmega8L)
– 4.5 - 5.5V (ATmega8)

Speed Grades

– 0 - 8 MHz (ATmega8L)
– 0 - 16 MHz (ATmega8)

Power Consumption

– Active: TBD
– Idle Mode: TBD
– Power-down Mode: TBD

Rev. 2486AS - 08/01

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

ATmega8
ATmega8L

Advance
Information

Summary

Note: This is a summary document. A complete document is
available on our web site at www.atmel.com.

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