ATMEGA8A-PU

產品特性：

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 Nonvolatile Memory segments

-

8 KB of In-System Self-programmable Flash program memory

512B EEPROM

1 KB internal SRAM

Write/erase cycles:10,000 Flash/100,000 EEPROM

Data retention:20 years at 85C/100 years at 25C(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

Microchip QTouch library support

Capacitive touch buttons,sliders and wheels

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

Special Microcontroller Features

Power-on Reset and programmable Brown-out Detection

Intemal calibrated RC oscillator

External and internal interrupt sources

Five sleep modes:Idle,ADC noise reduction,power-save,power-down,and standby

·1/O and Packages

23 programmable l/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 4 MHz,3V,25C

Active:3.6 mA

Idle mode:1.0 mA

Power-down mode:0.5 uA

Note: 

1. This device can also be supplied in wafer form. Please contact your local Microchip sales office for

detailed ordering information and minimum quantities.

2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances

(RoHS directive). Also Halide free and fully Green.

3. Tape and Reel

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