ATMEGA2561-16AI Atmel, ATMEGA2561-16AI Datasheet - Page 12
![IC AVR MCU 256K 16MHZ 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA2561-16AI
Manufacturer Part Number
ATMEGA2561-16AI
Description
IC AVR MCU 256K 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA2561-16AI
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
256KB (128K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
32. Register Summary
2549MS–AVR–09/10
Address
(0x1FF)
(0x13F)
(0x13E)
(0x13D)
(0x13C)
(0x13B)
(0x13A)
(0x12F)
(0x12E)
(0x12D)
(0x12C)
(0x12B)
(0x12A)
(0x11F)
(0x11E)
(0x11D)
(0x11C)
(0x11B)
(0x11A)
(0x10F)
(0x10E)
(0x10D)
(0x10C)
(0x10B)
(0x10A)
(0x139)
(0x138)
(0x137)
(0x136)
(0x135)
(0x134)
(0x133)
(0x132)
(0x131)
(0x130)
(0x129)
(0x128)
(0x127)
(0x126)
(0x125)
(0x124)
(0x123)
(0x122)
(0x121)
(0x120)
(0x119)
(0x118)
(0x117)
(0x116)
(0x115)
(0x114)
(0x113)
(0x112)
(0x111)
(0x110)
(0x109)
(0x108)
(0x107)
(0x106)
(0x105)
(0x104)
(0x103)
(0x102)
(0x101)
...
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
OCR5CH
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
UBRR3H
UCSR3C
UCSR3B
UCSR3A
OCR5CL
OCR5BH
OCR5AH
OCR5AL
TCCR5C
TCCR5B
TCCR5A
UBRR3L
OCR5BL
TCNT5H
Name
TCNT5L
PORTK
PORTH
PORTL
PORTJ
ICR5H
ICR5L
DDRK
DDRH
UDR3
DDRL
DDRJ
PINL
PINK
PINJ
UMSEL31
COM5A1
PORTK7
PORTH7
PORTL7
PORTJ7
RXCIE3
FOC5A
ICNC5
Bit 7
PINL7
PINK7
RXC3
DDL7
DDK7
PINJ7
DDH7
DDJ7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UMSEL30
COM5A0
PORTK6
PORTH6
PORTL6
PORTJ6
TXCIE3
FOC5B
Bit 6
ICES5
PINL6
PINK6
DDK6
PINJ6
DDH6
TXC3
DDL6
DDJ6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
COM5B1
PORTK5
PORTH5
PORTL5
PORTJ5
UDRIE3
UDRE3
FOC5C
UPM31
Bit 5
PINL5
PINK5
DDL5
DDK5
PINJ5
DDH5
DDJ5
Timer/Counter5 - Output Compare Register C High Byte
Timer/Counter5 - Output Compare Register B High Byte
Timer/Counter5 - Output Compare Register A High Byte
Timer/Counter5 - Output Compare Register C Low Byte
Timer/Counter5 - Output Compare Register B Low Byte
Timer/Counter5 - Output Compare Register A Low Byte
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Timer/Counter5 - Input Capture Register High Byte
Timer/Counter5 - Input Capture Register Low Byte
Timer/Counter5 - Counter Register High Byte
Timer/Counter5 - Counter Register Low Byte
USART3 Baud Rate Register Low Byte
COM5B0
PORTL4
PORTK4
PORTH4
PORTJ4
WGM53
UPM30
RXEN3
USART3 I/O Data Register
Bit 4
PINK4
PINL4
PINJ4
DDH4
DDL4
DDK4
DDJ4
FE3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ATmega640/1280/1281/2560/2561
COM5C1
PORTL3
PORTK3
PORTH3
WGM52
PORTJ3
USBS3
TXEN3
Bit 3
PINK3
DOR3
PINL3
PINJ3
DDH3
DDL3
DDK3
DDJ3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
USART3 Baud Rate Register High Byte
COM5C0
PORTH2
PORTL2
PORTK2
UCSZ31
UCSZ32
PORTJ2
Bit 2
PINK2
PINL2
PINJ2
DDH2
UPE3
CS52
DDL2
DDK2
DDJ2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PORTL1
PORTK1
PORTH1
UCSZ30
PORTJ1
WGM51
RXB83
Bit 1
PINL1
PINK1
PINJ1
DDH1
DDL1
DDK1
U2X3
CS51
DDJ1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UCPOL3
PORTK0
PORTH0
PORTL0
PORTJ0
MPCM3
WGM50
TXB83
Bit 0
PINL0
PINK0
DDK0
PINJ0
DDH0
CS50
DDL0
DDJ0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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