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ATMEGA649A-MU
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ATMEGA649A-MU 用户编程手册 - Microchip

更新时间: 2025-06-17 06:22:38 (UTC+8)

ATMEGA649A-MU 用户编程手册

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8284ES–AVR–02/2013
Features
High performance, low power Atmel
®
AVR
®
8-Bit Microcontroller
Advanced RISC architecture
130 powerful instructions – most single clock cycle execution
32 × 8 general purpose working registers
Fully static operation
Up to 16MIPS throughput at16MHz (Atmel ATmega169A/169PA/649A/649P)
Up to 20 MIPS throughput at 20MHz (Atmel ATmega329A/329PA/3290A/3290PA/6490A/6490P)
On-chip 2-cycle multiplier
High endurance non-volatile memory segments
In-system self-programmable flash program memory
• 16Kbytes (Atmel ATmega169A/ATmega169PA)
• 32Kbytes (Atmel ATmega329A/ATmega329PA/ATmega3290A/ATmega3290PA)
• 64Kbytes (Atmel ATmega649A/ATmega649P/ATmega6490A/ATmega6490P)
–EEPROM
• 512bytes (ATmega169A/ATmega169PA)
• 1Kbytes (ATmega329A/ATmega329PA/ATmega3290A/ATmega3290PA)
• 2Kbytes (ATmega649A/ATmega649P/ATmega6490A/ATmega6490P)
Internal SRAM
• 1Kbytes (ATmega169A/ATmega169PA)
• 2Kbytes (ATmega329A/ATmega329PA/ATmega3290A/ATmega3290PA)
• 4Kbytes (ATmega649A/ATmega649P/ATmega6490A/ATmega6490P)
Write/erase cyles: 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
Atmel 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
4 × 25 segment LCD driver
(ATmega169A/ATmega169PA/ATmega329A/ATmega329PA/ATmega649A/ATmega649P)
4 × 40 segment LCD driver (ATmega3290A/ATmega3290PA/ATmega6490A/ATmega6490P)
Two 8-bit Timer/Counters with Separate Prescaler and Compare mode
One 16-bit Timer/Counter with Separate Prescaler, Compare mode, and Capture mode
Real Time Counter with separate oscillator
Four PWM channels
8-channel, 10-bit ADC
Programmable Serial USART
Master/Slave SPI Serial Interface
Universal Serial Interface with Start Condition Detector
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
Five sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby
I/O and packages
54/69 programmable I/O lines
64/100-lead TQFP, 64-pad QFN/MLF, and 64-pad DRQFN
Speed Grade:
ATmega169A/169PA/649A/649P:
• 0 - 16MHz @ 1.8 - 5.5V
ATmega3290A/3290PA/6490A/6490P:
• 0 - 20MHz @ 1.8 - 5.5V
Temperature range:
-40°C to 85°C industrial
Ultra-low power consumption (picoPower
®
devices)
–Active mode:
• 1MHz, 1.8V: 215µA
• 32kHz, 1.8V: 8µA (including oscillator)
• 32kHz, 1.8V: 25µA (including oscillator and LCD)
Power-down mode:
• 0.1µA at 1.8V
Power-save mode:
• 0.6µA at 1.8V (Including 32kHz RTC)
• 750nA at 1.8V
Atmel ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash
SUMMARY
页面指南

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