HomedatasheetATMEGA8A-PU

ATMEGA8A-PU Datasheet

8-bit Microcontrollers
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Description

The ATMEGA8A-PU is manufactured using Atmel’s high density non-volatile memory technology. The Flash Program memory can be reprogrammed In-System through an SPI serial interface, by a conventional non-volatile memory programmer, or by an On-chip boot program running on the AVR core. The boot program can use any interface to download the application program in the Application Flash memory. Software in the Boot Flash Section will continue to run while the Application Flash Section is updated, providing true Read-While-Write operation. By combining an 8-bit RISC CPU with In-System Self-Programmable Flash on a monolithic chip, the Atmel ATmega8A is a powerful microcontroller that provides a highly-flexible and cost-effective solution to many embedded control applications. ATMEGA8A-PU Features • 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(1)– 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, 32-lead TQFP, and 32-pad QFN/MLF• Operating Voltages– 2.7 - 5.5V– 0 - 16MHz• Power Consumption at 4MHz, 3V, 25°C– Active: 3.6mA– Idle Mode: 1.0mA– Power-down Mode: 0.5μA
Features

Parameters

[{"Name":"Maximum Operating Temperature","Value":"+ 85 C "},{"Name":"Minimum Operating Temperature","Value":"- 40 C"},{"Name":"Number of Timers","Value":"3 "},{"Name":"Supply Voltage - Max","Value":"5.5 V "},{"Name":"Supply Voltage - Min","Value":"2.7 V "},{"Name":"A/D Bit Size","Value":"10 bit "},{"Name":"A/D Channels Available","Value":"6 "},{"Name":"Maximum Clock Frequency","Value":"16 MHz "},{"Name":"Data RAM Size","Value":"1 KB "},{"Name":"Data Bus Width","Value":"8 bit "}]

Manufacturer information

RECTRON SEMICONDUCTOR
Warm Hint

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