(Groomix.info) Microcontrollers-ATmega8A Datasheet Microcontroller with 8-bit processor, 1KB RAM, 500B EEPROM, 16KB ROM

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ATmega8A Datasheet Microcontroller with 8-bit processor, 1KB RAM, 500B EEPROM, 16KB ROM

ATmega8A Datasheet Microcontroller with 8-bit processor, 1KB RAM, 500B EEPROM, 16KB ROM. In-built ADC, Watch dog timer, PWM wave generator, inbuilt crystal are the amazing features of atmega8. ATmega8A is designed to work on 5V as well as at low voltage of 2.7V

Introduction

The Atmel^® ATmega8A is a low-power CMOS 8-bit microcontroller based on the AVR^® enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega8A achieves throughputs close to 1MIPS per MHz. This empowers system designer to optimize the device for power consumption versus processing speed.

Feature

High-performance, Low-power Atmel 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 16MIPS Throughput at 16MHz
On-chip 2-cycle Multiplier
High Endurance Non-volatile Memory segments
8KBytes of In-System Self-programmable Flash program memory
512Bytes EEPROM
1KByte Internal SRAM
Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
Data retention: 20 years at 85°C/100 years at 25°C
Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
Programming Lock for Software Security
Atmel QTouch^® library suppor
Capacitive touch buttons, sliders and wheels
Atmel QTouch and QMatrix acquisition
Up to 64 sense channels
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 QFN/MLF package
Eight Channels 10-bit Accuracy
6-channel ADC in PDIP package
Six Channels 10-bit Accuracy
Byte-oriented Two-wire Serial Interface
Programmable Serial USART
Master/Slave SPI Serial Interface
Programmable Watchdog Timer with Separate On-chip Oscillator
On-chip Analog Comparator
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 QFN/MLF
Operating Voltages 2.7 - 5.5V
Speed Grades 0 - 16MHz
Power Consumption at 4MHz, 3V, 25°C
Active: 3.6mA
Idle Mode: 1.0mA
Power-down Mode: 0.5μA

ATmega8A Datasheet Microcontroller with 8-bit processor, 1KB RAM, 500B EEPROM, 16KB ROM

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