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ATMEGA8A-AU 数据手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
8位微控制器
封装:
TQFP-32
描述:
ATMEL ATMEGA8A-AU 微控制器, 8位, 低功率高性能, ATmega, 16 MHz, 8 KB, 1 KB, 32 引脚, TQFP
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ATMEGA8A-AU数据手册
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ATmega8A
Low-Power AVR 8-bit Microcontroller Data Sheet Summary
Introduction
The ATmega8A is a low-power CMOS 8-bit microcontroller based on the AVR
®
enhanced RISC
architecture. By executing powerful instructions in a single clock cycle, the ATmega8A achieves
throughputs close to 1 MIPS per MHz. This empowers system designers to optimize the device for 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 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 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
• 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
© 2018 Microchip Technology Inc.
Datasheet Summary
40001991A-page 1
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