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ATMEGA644PA-MU 其他数据使用手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
微控制器
封装:
VQFN-44
描述:
ATMEL ATMEGA644PA-MU 微控制器, 8位, 低功率高性能, ATmega, 20 MHz, 64 KB, 4 KB, 44 引脚, VQFN
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ATMEGA644PA-MU数据手册
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Atmel-8272FS-AVR--07/2014
Features
z High-performance, low-power 8-bit Atmel
®
AVR
®
Microcontroller
z 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
z 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
z In-System Programming by On-chip Boot Program
z True Read-While-Write Operation
Programming Lock for Software Security
z Atmel QTouch
®
library support
Capacitive touch buttons, sliders and wheels
QTouch and QMatrix acquisition
Up to 64 sense channels
z 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
z 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
z 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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