Atmel ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash
Features
DATASHEET
• 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
8284F–AVR–07/2014
