ATMEGA8-16PU datasheet(4/308 Pages) ATMEL

Nome de Peças	ATMEGA8-16PU

Descrição Electrónicos	8-bit with 8K Bytes In-System Programmable Flash

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Fabricante Electrônico	ATMEL [ATMEL Corporation]

Página de início	http://www.atmel.com

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2486T–AVR–05/08

ATmega8(L)

The AVR core combines a rich instruction set with 32 general purpose working registers. All the

32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent

registers to be accessed in one single instruction executed in one clock cycle. The resulting

architecture is more code efficient while achieving throughputs up to ten times faster than con-

ventional CISC microcontrollers.

The ATmega8 provides the following features: 8K bytes of In-System Programmable Flash with

Read-While-Write capabilities, 512 bytes of EEPROM, 1K byte of SRAM, 23 general purpose

I/O lines, 32 general purpose working registers, three flexible Timer/Counters with compare

modes, internal and external interrupts, a serial programmable USART, a byte oriented Two-

wire Serial Interface, a 6-channel ADC (eight channels in TQFP and QFN/MLF packages) with

10-bit accuracy, a programmable Watchdog Timer with Internal Oscillator, an SPI serial port,

and five software selectable power saving modes. The Idle mode stops the CPU while allowing

the SRAM, Timer/Counters, SPI port, and interrupt system to continue functioning. The Power-

down mode saves the register contents but freezes the Oscillator, disabling all other chip func-

tions until the next Interrupt or Hardware Reset. In Power-save mode, the asynchronous timer

continues to run, allowing the user to maintain a timer base while the rest of the device is sleep-

ing. The ADC Noise Reduction mode stops the CPU and all I/O modules except asynchronous

timer and ADC, to minimize switching noise during ADC conversions. In Standby mode, the

crystal/resonator Oscillator is running while the rest of the device is sleeping. This allows very

fast start-up combined with low-power consumption.

The device 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

ATmega8 is a powerful microcontroller that provides a highly-flexible and cost-effective solution

to many embedded control applications.

The ATmega8 AVR is supported with a full suite of program and system development tools,

including C compilers, macro assemblers, program debugger/simulators, In-Circuit Emulators,

and evaluation kits.

Disclaimer

Typical values contained in this datasheet are based on simulations and characterization of

other AVR microcontrollers manufactured on the same process technology. Min and Max values

will be available after the device is characterized.

Nº de peça semelhante - ATMEGA8-16PU

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
ATMEL Corporation	ATMEGA8-16PU	2Mb / 23P	8-bit AVR with 8K Bytes In-System Programmable Flash
	ATMEGA8-16PU	263Kb / 23P	8-bit with 8K Bytes In-System Programmable Flash
	ATMEGA8-16PU	520Kb / 25P	8-bit with 8K Bytes In-System Programmable Flash
	ATMEGA8-16PU	6Mb / 331P	8-bit Atmel with 8KBytes In-System PRogrammable Flash

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Descrição semelhante - ATMEGA8-16PU

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
ATMEL Corporation	ATMEGA8	263Kb / 23P	8-bit with 8K Bytes In-System Programmable Flash
	ATMEGA8A	485Kb / 19P	8-bit with 8K Bytes In-System Programmable Flash
	ATMEGA8A	6Mb / 307P	8-bit with 8K Bytes In-System Programmable Flash
	ATMEGA8	520Kb / 25P	8-bit with 8K Bytes In-System Programmable Flash
	ATMEGA48V	3Mb / 374P	8-bit Microcontroller with 8K Bytes In-System Programmable Flash
	ATMEGA88	369Kb / 10P	8-bit Microcontroller with 8K Bytes In-System Programmable Flash
	AT89LP51	4Mb / 113P	8-bit Microcontroller with 8K Bytes In-System Programmable Flash
	ATMEGA8515	1Mb / 257P	8-bit Microcontroller with 8K Bytes In-System Programmable Flash
	AT89S52	576Kb / 38P	8-bit Microcontroller with 8K Bytes In-System Programmable Flash
	ATMEGA88	210Kb / 20P	8-bit Microcontroller with 8K Bytes In-System Programmable Flash

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