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ATMEGA329PA

8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash

Atmel Corporation 

Atmel ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P

8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash

SUMMARY

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

8284ES–AVR–02/2013

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