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  Microchip Technology Semiconductor Electronic Components Datasheet  

ATmega3209 Datasheet

Microcontrollers

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ATmega809/1609/3209/4809 –
48-pin
48-pin Data Sheet – megaAVR® 0-series
Introduction
The ATmega809/1609/3209/4809 microcontrollers of the megaAVR® 0-series are using the AVR®
processor with hardware multiplier, running at up to 20 MHz, with a wide range of Flash sizes up to 48
KB, up to 6 KB of SRAM, and 256 bytes of EEPROM in 28-, 32-, 40-, or 48-pin package. The series uses
the latest technologies from Microchip with a flexible and low-power architecture including Event System
and SleepWalking, accurate analog features and advanced peripherals.
The devices described here offer Flash sizes from 8 KB to 48 KB in a 48-pin package.
Features
• AVR® CPU
– Single-cycle I/O access
– Two-level interrupt controller
– Two-cycle hardware multiplier
• Memories
– Up to 48 KB In-system self-programmable Flash memory
– 256B EEPROM
– Up to 6 KB SRAM
– Write/Erase endurance:
• Flash 10,000 cycles
• EEPROM 100,000 cycles
– Data retention: 40 Years at 55°C
• System
– Power-on Reset (POR) circuit
– Brown-out Detector (BOD)
– Clock options:
• 16/20 MHz low-power internal oscillator
• 32.768 kHz Ultra Low-Power (ULP) internal oscillator
• 32.768 kHz external crystal oscillator
• External clock input
– Single pin Unified Program Debug Interface (UPDI)
– Three sleep modes:
• Idle with all peripherals running for immediate wake-up
• Standby
– Configurable operation of selected peripherals
© 2019 Microchip Technology Inc.
Preliminary Datasheet
DS40002016B-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

ATmega3209 Datasheet

Microcontrollers

No Preview Available !

ATmega809/1609/3209/4809 – 48-pin
– SleepWalking peripherals
• Power-Down with limited wake-up functionality
• Peripherals
– One 16-bit Timer/Counter type A (TCA) with a dedicated period register and three compare
channels
– Four 16-bit Timer/Counter type B with input capture (TCB)
– One 16-bit Real-Time Counter (RTC) running from an external crystal or an internal RC oscillator
– Four USART with fractional baud rate generator, auto-baud, and start-of-frame detection
– Master/slave Serial Peripheral Interface (SPI)
– Dual mode Master/Slave TWI with dual address match
• Standard mode (Sm, 100 kHz)
• Fast mode (Fm, 400 kHz)
• Fast mode plus (Fm+, 1 MHz)
– Event System for CPU independent and predictable inter-peripheral signaling
– Configurable Custom Logic (CCL) with up to four programmable Look-up Tables (LUT)
– One Analog Comparator (AC) with a scalable reference input
– One 10-bit 150 ksps Analog to Digital Converter (ADC)
– Five selectable internal voltage references: 0.55V, 1.1V, 1.5V, 2.5V, and 4.3V
– CRC code memory scan hardware
• Optional automatic scan before code execution is allowed
– Watchdog Timer (WDT) with Window mode, with separate on-chip oscillator
– External interrupt on all general purpose pins
• I/O and Packages:
– 41 programmable I/O lines
– 48-pin UQFN 6x6 and TQFP 7x7
• Temperature Range: -40°C to 125°C
• Speed Grades -40°C to 105°C:
– 0-5 MHz @ 1.8V – 5.5V
– 0-10 MHz @ 2.7V – 5.5V
– 0-20 MHz @ 4.5V – 5.5V
• Speed Grades -40°C to 125°C:
– 0-8 MHz @ 2.7V - 5.5V
– 0-16 MHz @ 4.5V - 5.5V
© 2019 Microchip Technology Inc.
Datasheet Preliminary
DS40002016B-page 2


Part Number ATmega3209
Description Microcontrollers
Maker Microchip
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