ATMEL ATmega6490 Data Sheet
Summary
These versatile, high-performance AVR microcontrollers are designed for sophisticated embedded control applications across diverse industries. This comprehensive manual provides technical specifications on advanced peripherals like multiple ADCs, dedicated timers, serial communication interfaces, and low-power operating modes. It is essential documentation for electrical engineers and firmware developers building reliable, optimized, and complex hardware systems.
Page 1 Text Content
BDTIC www.bdtic.com/ATMEL
Features High Performance, Low Power AVR® 8-Bit Microcontroller Advanced RISC Architecture 130 Powerful Instructions – Most Single Clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation Up to 16 MIPS Throughput at 16 MHz On-Chip 2-cycle Multiplier High Endurance Non-volatile Memory Segments In-System Self-programmable Flash Program Memory
32K Bytes (ATmega329/ATmega3290) 64K Bytes (ATmega649/ATmega6490)
8-bit
EEPROM 1K bytes (ATmega329/ATmega3290) 2K bytes (ATmega649/ATmega6490) Microcontroller Internal SRAM 2K bytes (ATmega329/ATmega3290)
with In-System
4K bytes (ATmega649/ATmega6490) Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM Data retention: 20 years at 85°C/100 years at 25°C(1) Programmable Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program
Flash
True Read-While-Write Operation Programming Lock for Software Security JTAG (IEEE std. 1149.1 compliant) Interface Boundary-scan Capabilities According to the JTAG Standard Extensive On-chip Debug Support ATmega329/V Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface Peripheral Features
4 x 25 Segment LCD Driver (ATmega329/ATmega649) ATmega3290/V
4 x 40 Segment LCD Driver (ATmega3290/ATmega6490) Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode ATmega649/V One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
Real Time Counter with Separate Oscillator ATmega6490/V
Four PWM Channels 8-channel, 10-bit ADC Programmable Serial USART Master/Slave SPI Serial Interface
Universal Serial Interface with Start Condition Detector Preliminary
Programmable Watchdog Timer with Separate On-chip Oscillator On-chip Analog Comparator Summary 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 53/68 Programmable I/O Lines 64-lead TQFP, 64-pad QFN/MLF, and 100-lead TQFP Speed Grade: ATmega329V/ATmega3290V/ATmega649V/ATmega6490V: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V ATmega329/3290/649/6490: 0 - 8 MHz @ 2.7 - 5.5V, 0 - 16 MHz @ 4.5 - 5.5V Temperature range: -40°C to 85°C Industrial Ultra-Low Power Consumption Active Mode: 1 MHz, 1.8V: 350 µA 32 k Hz, 1.8V: 20 µA (including Oscillator) 32 k Hz, 1.8V: 40 µA (including Oscillator and LCD) Power-down Mode: 100 n A at 1.8V
Page Summary Contents For ATMEL ATmega6490 Data Sheet
Manual Details
| Brand | Atmel |
|---|---|
| Pages | 28 |
| File Size | 835.19 KB |
| Published | May 15, 2026 |
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Frequently Asked Questions
What is the maximum Analog-to-Digital Converter capacity?
The ATmega6490/V offers an 8-channel, 10-bit ADC.
How many different sleep modes are available for power management?
There are five sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby.
What interface is supported for on-chip debugging and firmware programming?
It supports the JTAG (IEEE std. 1149.1 compliant) Interface for boundary-scan capabilities.