×
Futurlec - The Electronic Components and Semiconductor Superstore
View Cart


ATMEGA8A-PU - ATmega8 28-Pin 16MHz 8kb 8-bit Microcontroller - Buy ATMEGA8A-PU

Photograph
ATMEGA8A-PU - ATmega8 28-Pin 16MHz 8kb 8-bit Microcontroller

Features

arrowAdvanced RISC Architecture

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

  • - 130 Instructions - Most Single Clock Cycle Execution
  • - 32 x 8 General Purpose Working Registers
  • - Up to 16 MIPS Throughput at 16MHz
  • - Fully Static Operation
  • - On-chip 2-cycle Multiplier

arrowData and Nonvolatile Program Memory

  • - 8k Bytes of In-System Self-Programmable Flash
  • - Optional Boot Code Section with Independent Lock Bits
  • - 512 Bytes EEPROM
  • - 1K Bytes Internal SRAM
  • - Programming Lock for Software Security

arrowPeripheral Features

  • - On-chip Analog Comparator
  • - Programmable Watchdog Timer with Separate On-chip Oscillator
  • - Master/Slave SPI Serial Interface
  • - Two 8-bit Timer/Counters with Separate Prescalar, Compare
  • - One 16-bit Timer/Counter with Seperate Prescaler, Compare and Capture mode
  • - Real Time Counter with Separate Oscillator
  • - Three PWM Channels
  • - Programmable Serial USART
  • - 6-channel, 10-bit ADC
  • - Byte-oriented Two-wire Serial Interface

arrowSpecial 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

arrowI/O and Packages

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

arrowOperating Voltages

  • - 4.5-5.5V for ATmega8

arrowSpeed Grades

  • - 0-16MHz for ATmega8

arrowPower Consumption at 4 Mhz, 3V, 35 °C

  • - Active: 3.6mA
  • - Idle Mode: 10mA
  • - Power-down Mode: < 0.5µA

Pin Layout
ATmega8 Pin Layout

Pin Description
Pin Number Description
1 (RESET) Port C6
2 (RXD) Port D0
3 (TXD) Port D1
4 (INT0) Port D2
5 (INT1) Port D3
6 (XCK/T0) Port D4
7 Vcc - Positive Power Supply
8 GND - Ground
9 (XTAL1/TOSC1) Port B6
10 (XTAL2/TOSC2) Port B7
11 (T1)Port D5
12 (AIN0) Port D6
13 (AIN1) Port D7
14 (ICP1) Port B0
15 (OC1A) Port B1
16 (SS/OC1B) Port B2
17 (MOSI/OC2) Port B3
18 (MISO) Port B4
19 (SCK) Port B5
20 AVCC - Analog Power Supply
21 AREF - Analog Reference
22 GND - Ground
23 (ADC0) Port C0
24 (ADC1) Port C1
25 (ADC2) Port C2
26 (ADC3) Port C3
27 (ADC4/SDA) Port C4
28 (ADC5/SCL) PC5

Dimensional Drawing
ATmega8 PDIP28 Dimension Drawing