ATMEGA2561-16AI Atmel, ATMEGA2561-16AI Datasheet - Page 14
![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
2549MS–AVR–09/10
Address
(0xBE)
(0xBD)
(0xBC)
(0xBB)
(0xBA)
(0xAE)
(0xAD)
(0xAC)
(0xAB)
(0xAA)
(0xB9)
(0xB8)
(0xB7)
(0xB6)
(0xB5)
(0xB4)
(0xB3)
(0xB2)
(0xB1)
(0xB0)
(0xAF)
(0xA9)
(0xA8)
(0xA7)
(0xA6)
(0xA5)
(0xA4)
(0xA3)
(0xA2)
(0xA1)
(0xA0)
(0x9F)
(0x9E)
(0x9D)
(0x9C)
(0x9B)
(0x9A)
(0x99)
(0x98)
(0x97)
(0x96)
(0x95)
(0x94)
(0x93)
(0x92)
(0x91)
(0x90)
(0x8F)
(0x8E)
(0x8D)
(0x8C)
(0x8B)
(0x89)
(0x88)
(0x87)
(0x86)
(0x85)
(0x84)
(0x83)
(0x82)
(0x81)
(0x80)
(0x7F)
(0x7E)
(0x7D)
(0x8A)
Reserved
Reserved
Reserved
Reserved
Reserved
OCR4CH
Reserved
Reserved
Reserved
OCR3CH
Reserved
Reserved
Reserved
OCR1CH
Reserved
OCR4CL
OCR4BH
OCR4AH
TCCR4C
OCR3CL
OCR3BH
OCR3AH
OCR3AL
TCCR3C
TCCR3B
TCCR3A
OCR1CL
OCR1BH
OCR1AH
OCR1AL
TCCR1C
TCCR1B
TCCR1A
TCCR2B
TCCR2A
OCR4BL
OCR4AL
TCNT4H
TCCR4B
TCCR4A
OCR3BL
TCNT3H
OCR1BL
TCNT1H
Name
TWAMR
TCNT4L
TCNT3L
TCNT1L
OCR2B
OCR2A
TCNT2
DIDR0
TWCR
TWDR
TWAR
TWSR
TWBR
ICR4H
ICR4L
ICR3H
ICR3L
ICR1H
ICR1L
DIDR1
DIDR2
ASSR
COM2A1
COM4A1
COM3A1
COM1A1
ADC15D
TWAM6
ADC7D
TWINT
FOC2A
FOC4A
FOC3A
FOC1A
ICNC4
ICNC3
ICNC1
Bit 7
TWA6
TWS7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
COM2A0
COM4A0
COM3A0
COM1A0
ADC14D
TWAM5
ADC6D
EXCLK
FOC2B
FOC4B
FOC3B
FOC1B
Bit 6
TWEA
TWA5
TWS6
ICES4
ICES3
ICES1
-
-
-
-
-
-
-
-
-
-
-
-
-
COM2B1
COM4B1
COM3B1
COM1B1
ADC13D
TWAM4
TWSTA
FOC4C
FOC3C
FOC1C
ADC5D
Bit 5
TWA4
TWS5
AS2
Timer/Counter4 - Output Compare Register C High Byte
Timer/Counter3 - Output Compare Register C High Byte
Timer/Counter1 - Output Compare Register C High Byte
Timer/Counter4 - Output Compare Register C Low Byte
Timer/Counter4 - Output Compare Register B High Byte
Timer/Counter4 - Output Compare Register A High Byte
Timer/Counter3 - Output Compare Register C Low Byte
Timer/Counter3 - Output Compare Register B High Byte
Timer/Counter3 - Output Compare Register A High Byte
Timer/Counter1 - Output Compare Register C Low Byte
Timer/Counter1 - Output Compare Register B High Byte
Timer/Counter1 - Output Compare Register A High Byte
Timer/Counter4 - Output Compare Register B Low Byte
Timer/Counter4 - Output Compare Register A Low Byte
Timer/Counter3 - Output Compare Register B Low Byte
Timer/Counter3 - Output Compare Register A Low Byte
Timer/Counter1 - Output Compare Register B Low Byte
Timer/Counter1 - Output Compare Register A Low Byte
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Timer/Counter4 - Input Capture Register High Byte
Timer/Counter3 - Input Capture Register High Byte
Timer/Counter1 - Input Capture Register High Byte
Timer/Counter4 - Input Capture Register Low Byte
Timer/Counter3 - Input Capture Register Low Byte
Timer/Counter1 - Input Capture Register Low Byte
Timer/Counter4 - Counter Register High Byte
Timer/Counter3 - Counter Register High Byte
Timer/Counter1 - Counter Register High Byte
Timer/Counter4 - Counter Register Low Byte
Timer/Counter3 - Counter Register Low Byte
Timer/Counter1 - Counter Register Low Byte
Timer/Counter2 Output Compare Register B
Timer/Counter2 Output Compare Register A
2-wire Serial Interface Bit Rate Register
2-wire Serial Interface Data Register
COM2B0
COM4B0
COM3B0
COM1B0
TCN2UB
ADC12D
TWAM3
TWSTO
WGM43
WGM33
WGM13
ADC4D
Bit 4
TWA3
TWS4
Timer/Counter2 (8 Bit)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ATmega640/1280/1281/2560/2561
OCR2AUB
COM4C1
COM3C1
COM1C1
ADC11D
WGM22
WGM42
WGM32
WGM12
TWAM2
ADC3D
TWWC
Bit 3
TWA2
TWS3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
OCR2BUB
COM4C0
COM3C0
COM1C0
ADC10D
TWAM1
ADC2D
Bit 2
TWEN
TWA1
CS22
CS42
CS32
CS12
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TCR2AUB
TWAM0
WGM21
WGM41
WGM31
WGM11
TWPS1
ADC1D
ADC9D
AIN1D
Bit 1
TWA0
CS21
CS41
CS31
CS11
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TCR2BUB
TWGCE
WGM20
WGM40
WGM30
WGM10
TWPS0
ADC0D
ADC8D
Bit 0
AIN0D
TWIE
CS20
CS40
CS30
CS10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Page
269
266
268
269
268
266
184
191
191
191
190
191
164
164
164
164
164
164
165
165
163
163
162
160
158
164
164
164
164
163
163
165
165
162
162
162
160
158
163
163
163
163
163
163
165
165
162
162
161
160
158
274
295
295
412