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ATMEGA8U2-MUR 用户编程技术手册 - Microchip（微芯）
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ATMEGA8U2-MUR数据手册
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8-bit AVR Microcontroller
ATmega328PB
DATASHEET SUMMARY
Introduction
The Atmel
®
ATmega328PB 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 ATmega328PB achieves throughputs
close to 1MIPS per MHz. This empowers system designer to optimize the
device for power consumption versus processing speed.
Feature
High Performance, Low Power Atmel
®
AVR
®
8-Bit Microcontroller Family
• Advanced RISC Architecture
– 131 Powerful Instructions
– Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 20 MIPS Throughput at 20MHz
– On-chip 2-cycle Multiplier
• High Endurance Non-volatile Memory Segments
– 32KBytes of In-System Self-Programmable Flash program
memory
– 1KBytes EEPROM
– 2KBytes 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 Touch Controller
– Capacitive touch buttons, sliders and wheels
– 24 Self-cap channels and 144 mutual cap channels
• Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler and Compare
Mode
Atmel-42397C-8-bit AVR-ATmega328PB_Datasheet_Summary-10/2015
This is a summary document. A
complete document is available
on our Web site at
www.atmel.com
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