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ATMEGA1281-16AUR
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ATMEGA1281-16AUR 用户编程手册 - ATMEL

更新时间: 2024-05-27 06:08:07 (UTC+8)

ATMEGA1281-16AUR 用户编程手册

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2549QS–AVR–02/2014
Features
High Performance, Low Power Atmel
®
AVR
®
8-Bit Microcontroller
Advanced RISC Architecture
135 Powerful Instructions – Most Single Clock Cycle Execution
32 × 8 General Purpose Working Registers
Fully Static Operation
Up to 16 MIPS Throughput at 16MHz
On-Chip 2-cycle Multiplier
High Endurance Non-volatile Memory Segments
64K/128K/256KBytes of In-System Self-Programmable Flash
4Kbytes EEPROM
8Kbytes Internal SRAM
Write/Erase Cycles:10,000 Flash/100,000 EEPROM
Data retention: 20 years at 85C/ 100 years at 25C
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
• Endurance: Up to 64Kbytes Optional External Memory Space
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 Prescaler and Compare Mode
Four 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
Real Time Counter with Separate Oscillator
Four 8-bit PWM Channels
Six/Twelve PWM Channels with Programmable Resolution from 2 to 16 Bits
(ATmega1281/2561, ATmega640/1280/2560)
Output Compare Modulator
8/16-channel, 10-bit ADC (ATmega1281/2561, ATmega640/1280/2560)
Two/Four Programmable Serial USART (ATmega1281/2561, ATmega640/1280/2560)
Master/Slave SPI Serial Interface
Byte Oriented 2-wire Serial Interface
Programmable Watchdog Timer with Separate On-chip Oscillator
On-chip Analog Comparator
Interrupt and Wake-up on Pin Change
Special Microcontroller Features
Power-on Reset and Programmable Brown-out Detection
Internal Calibrated Oscillator
External and Internal Interrupt Sources
Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby,
and Extended Standby
I/O and Packages
54/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
64-pad QFN/MLF, 64-lead TQFP (ATmega1281/2561)
100-lead TQFP, 100-ball CBGA (ATmega640/1280/2560)
RoHS/Fully Green
Temperature Range:
–-40C to 85C Industrial
Ultra-Low Power Consumption
Active Mode: 1MHz, 1.8V: 500µA
Power-down Mode: 0.1µA at 1.8V
Speed Grade:
ATmega640V/ATmega1280V/ATmega1281V:
• 0 - 4MHz @ 1.8V - 5.5V, 0 - 8MHz @ 2.7V - 5.5V
ATmega2560V/ATmega2561V:
• 0 - 2MHz @ 1.8V - 5.5V, 0 - 8MHz @ 2.7V - 5.5V
ATmega640/ATmega1280/ATmega1281:
• 0 - 8MHz @ 2.7V - 5.5V, 0 - 16MHz @ 4.5V - 5.5V
ATmega2560/ATmega2561:
• 0 - 16MHz @ 4.5V - 5.5V
Atmel ATmega640/V-1280/V-1281/V-2560/V-2561/V
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash
SUMMARY
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