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ATMEGA644PA-AU 用户编程技术手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
8位微控制器
封装:
TQFP-44
描述:
8 位 PicoPower megaAVR 系列微控制器，Atmel此系列 megaAVR 微控制器具有 picoPower 技术 — 非常适合节能。 它们提供大量程序和数据内存，性能高达 20 MIPS。 **picoPower megaAVR 微控制器的特色和优点** 片上闪存 SRAM 内部 EEPROM SPI TWI (I²C) USART、USB、CAN 和 LIN 接口 监控计时器 精密振荡器 GPIO 引脚 ADC DAC 内置温度传感器 内部参考电压 掉电检测器
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3P7P91P107P138Hot
原理图在P6P10P255P650
封装尺寸在P643P644P645P646P647
型号编码规则在P635P636P637P638P639P640P641P642P651
封装信息在P643
应用领域在P40P50P62P66P269P273P287P288P659
电气规格在P72
导航目录
ATMEGA644PA-AU数据手册
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Atmel-8272G-AVR-01/2015
Features
High-performance, low-power 8-bit Atmel
®
AVR
®
Microcontroller
Advanced RISC architecture
131 powerful Instructions – most single-clock cycle execution
32 × 8 general purpose working registers
Fully static operation
Up to 20MIPS throughput at 20MHz
On-chip 2-cycle multiplier
High endurance non-volatile memory segments
16/32/64/128KBytes of In-System Self-programmable Flash program memory
512/1K/2K/4KBytes EEPROM
1/2/4/16KBytes 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
Atmel QTouch
®
library support
Capacitive touch buttons, sliders and wheels
QTouch and QMatrix acquisition
Up to 64 sense channels
JTAG (IEEE std. 1149.1 Compliant) Interface
Boundary-scan Capabilities According to the JTAG Standard
Extensive On-chip Debug Support
Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG
Interface
Peripheral Features
Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
One/two 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and
Capture Mode
Real Time Counter with Separate Oscillator
Six PWM Channels
8-channel, 10-bit ADC
Differential mode with selectable gain at 1×, 10× or 200×
Byte-oriented Two-wire Serial Interface
Two Programmable Serial USART
Master/Slave SPI Serial Interface
ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P
8-bit Atmel Microcontroller with 16/32/64/128K Bytes
In-System Programmable Flash
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