ATMEGA2561-16AUR Microchip Technology IC MCU 8BIT 256KB FLASH 64TQFP

label:

20/11/2023 157

• High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller

• Advanced RISC Architecture
– 135 Powerful Instructions
– Most Single Clock Cycle Execution
– 32 × 8 General Purpose Working Registers
– Fully Static Operation
– Up to 16 MIPS Throughput at 16MHz
– On-Chip 2-cycle Multiplier

• High Endurance Non-volatile Memory Segments
– 64K/128K/256KBytes of In-System Self-Programmable Flash
– 4Kbytes EEPROM
– 8Kbytes Internal SRAM
– Write/Erase Cycles:10,000 Flash/100,000 EEPROM
– Data retention: 20 years at 85C/ 100 years at 25C
– 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
• Endurance: Up to 64Kbytes Optional External Memory Space

• Atmel® QTouch® library support
– Capacitive touch buttons, sliders and wheels
– 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
– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
– Four 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
– Real Time Counter with Separate Oscillator
– Four 8-bit PWM Channels
– Six/Twelve PWM Channels with Programmable Resolution from 2 to 16 Bits (ATmega1281/2561, ATmega640/1280/2560)
– Output Compare Modulator
– 8/16-channel, 10-bit ADC (ATmega1281/2561, ATmega640/1280/2560)
– Two/Four Programmable Serial USART (ATmega1281/2561, ATmega640/1280/2560)
– Master/Slave SPI Serial Interface
– Byte Oriented 2-wire Serial Interface
– 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
– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby

• I/O and Packages
– 54/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
– 64-pad QFN/MLF, 64-lead TQFP (ATmega1281/2561)
– 100-lead TQFP, 100-ball CBGA (ATmega640/1280/2560)
– RoHS/Fully Green

• Temperature Range:
– -40C to 85C Industrial

• Ultra-Low Power Consumption
– Active Mode: 1MHz, 1.8V: 500µA
– Power-down Mode: 0.1µA at 1.8V

• Speed Grade:
– ATmega640V/ATmega1280V/ATmega1281V:
• 0 - 4MHz @ 1.8V - 5.5V, 0 - 8MHz @ 2.7V - 5.5V
– ATmega2560V/ATmega2561V:
• 0 - 2MHz @ 1.8V - 5.5V, 0 - 8MHz @ 2.7V - 5.5V
– ATmega640/ATmega1280/ATmega1281:
• 0 - 8MHz @ 2.7V - 5.5V, 0 - 16MHz @ 4.5V - 5.5V
– ATmega2560/ATmega2561:
• 0 - 16MHz @ 4.5V - 5.5V

CATALOG

ATMEGA2561-16AUR COUNTRY OF ORIGIN

ATMEGA2561-16AUR PARAMETRIC INFO

ATMEGA2561-16AUR PACKAGE INFO

ATMEGA2561-16AUR MANUFACTURING INFO

ATMEGA2561-16AUR PACKAGING INFO

ATMEGA2561-16AUR ECAD MODELS

ATMEGA2561-16AUR FUNCTIONAL BLOCK DIAGRAM

COUNTRY OF ORIGIN

Taiwan (Province of China)

PARAMETRIC INFO

Data Bus Width (bit)	8
Family Name	ATmega
Device Core	AVR
Instruction Set Architecture	RISC
Maximum Clock Rate (MHz)	16
Program Memory Type	Flash
Program Memory Size	256KB
RAM Size	8KB
Maximum Expanded Memory Size	64KB
Trace Hardware	JTAG
Maximum Dhrystone MIPS (MIPS)	16
EEPROM	4KB
Direct Memory Access	No
Floating Point Unit	No
Bluetooth	No
Wi-Fi	No
Multiply Accumulate	No
Touch Sensing Interface	No
Power On Reset	No
Memory Protection Unit	No
Temperature Sensor	No
DDR	No
Memory Management Unit	No
Integrated Development Environment	No
Super Scalar	No
External Bus Interface	No
Maximum CPU Frequency (MHz)	16
Number of Programmable I/Os	54
Number of Timers	6
ADC Channels	8
ADC Resolution (bit)	10
Core Architecture	AVR
Number of ADCs	Single
PWM	6
Watchdog	1
Analog Comparators	1
Parallel Master Port	No
Real Time Clock	No
Interface Type	JTAG/TWI/SPI/USART
Programmability	Yes
SPI	3
I2C	0
I2S	0
UART	0
USART	2
CAN	0
USB	0
Ethernet	0
Minimum Operating Supply Voltage (V)	4.5
Typical Operating Supply Voltage (V)	5
Maximum Operating Supply Voltage (V)	5.5
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Temperature Flag	Opr
Supplier Temperature Grade	Industrial
Operating Supply Voltage (V)	5
Maximum Storage Temperature (°C)	150
Minimum Storage Temperature (°C)	-65

PACKAGE INFO

Supplier Package	TQFP
Basic Package Type	Lead-Frame SMT
Pin Count	64
Lead Shape	Gull-wing
PCB	64
Tab	N/R
Pin Pitch (mm)	0.8
Package Length (mm)	14
Package Width (mm)	14
Package Height (mm)	1
Package Diameter (mm)	N/R
Package Overall Length (mm)	16
Package Overall Width (mm)	16
Package Overall Height (mm)	1.2(Max)
Seated Plane Height (mm)	1.2(Max)
Mounting	Surface Mount
Package Weight (g)	N/A
Package Material	Plastic
Package Description	Thin Quad Flat Package
Package Family Name	QFP
Jedec	MS-026AEB
Package Outline	Link to Datasheet

MANUFACTURING INFO

MSL	1
Maximum Reflow Temperature (°C)	260
Reflow Solder Time (Sec)	20 to 40
Number of Reflow Cycle	3
Standard	J-STD-020C
Reflow Temp. Source	Link to Datasheet
Maximum Wave Temperature (°C)	N/R
Wave Solder Time (Sec)	N/R
Lead Finish(Plating)	Matte Sn annealed
Under Plating Material	N/A
Terminal Base Material	Cu Alloy

PACKAGING INFO

Packaging

Tape and Reel

ECAD MODELS

FUNCTIONAL BLOCK DIAGRAM