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ATMEGA8A-PU Atmel 8 Bit 8K AVR Microcontroller

ATMEGA8A-PU Atmel 8 Bit 8K AVR Microcontroller

  • Model: IC-ATMEGA8A-PU
  • Shipping Weight: 1g
  • 133 Units in Stock
  • Manufactured by: ATMEL
  • ATmega8A Datasheet

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The ATmega8A is a low-power CMOS 8-bit microcontroller based on the AVR RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega8A achieves throughputs approaching 1 MIPS per MHz, allowing the system designer to optimize power consumption versus processing speed.

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
  • High Endurance Non-volatile Memory segments
    • 8K Bytes of In-System Self-programmable Flash program memory
    • 512 Bytes EEPROM
    • 1K Byte 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
  • 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
  • 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
  • Operating Voltages
    • 2.7 - 5.5V
  • Speed Grades
    • 0 - 16 MHz
  • Power Consumption at 4 Mhz, 3V, 25°C
    • Active: 3.6 mA
    • Idle Mode: 1.0 mA
    • Power-down Mode: 0.5 μA
Flash:8 KBytes
EEPROM:512 Bytes
SRAM:1024 Bytes
Max I/O Pins:23
Frequency Max:16 MHz
VCC:2.7-5.5
10-bit A/D Channels:6
Analog Comparator:Yes
16-bit Timers:1
8-bit Timer:2
Brown Out Detector:Yes
Ext Interrupts:2
Hardware Multiplier:Yes
Interrupts:18
ISP:Yes
On Chip Oscillator:Yes
PWM Channels:3
RTC:Yes
Self Program Memory:Yes
SPI:1
TWI:Yes
UART:1
Watchdog:Yes
Package:Lead Free PDIP 28