Microchip Technology ATMEGA329A-AU

Overview

The Atmel ATmega169A/169PA/329A/329PA/3290A/3290PA/649A/649P/6490A/6490P is a low-power CMOS 8-bit microcontroller based on the Atmel®AVR® enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega169A/169PA/329A/329PA/3290A/3290PA/649A/649P/6490A/6490P achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

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