ATMEGA2561-16AI Atmel, ATMEGA2561-16AI Datasheet - Page 413
![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
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Part Number
Manufacturer
Quantity
Price
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2549M–AVR–09/10
0x3D (0x5D)
0x3C (0x5C)
0x2D (0x4D)
0x2C (0x4C)
0x1D (0x3D)
0x1C (0x3C)
0x3E (0x5E)
0x3B (0x5B)
0x3A (0x5A)
0x2E (0x4E)
0x2B (0x4B)
0x2A (0x4A)
0x1E (0x3E)
0x1B (0x3B)
Address
0x3F (0x5F)
0x39 (0x59)
0x38 (0x58)
0x37 (0x57)
0x36 (0x56)
0x35 (0x55)
0x34 (0x54)
0x33 (0x53)
0x32 (0x52)
0x31 (0x51)
0x30 (0x50)
0x2F (0x4F)
0x29 (0x49)
0x28 (0x48)
0x27 (0x47)
0x26 (0x46)
0x25 (0x45)
0x24 (0x44)
0x23 (0x43)
0x22 (0x42)
0x21 (0x41)
0x20 (0x40)
0x1F (0x3F)
(0x7C)
(0x7B)
(0x7A)
(0x79)
(0x78)
(0x77)
(0x76)
(0x75)
(0x74)
(0x73)
(0x72)
(0x71)
(0x70)
(0x6F)
(0x6E)
(0x6D)
(0x6C)
(0x6B)
(0x6A)
(0x69)
(0x68)
(0x67)
(0x66)
(0x65)
(0x64)
(0x63)
(0x62)
(0x61)
(0x60)
Reserved
Reserved
Reserved
Reserved
Reserved
WDTCSR
Reserved
Reserved
Reserved
SPMCSR
Reserved
Reserved
Reserved
Reserved
ADCSRB
ADCSRA
PCMSK2
PCMSK1
PCMSK0
OSCCAL
TCCR0B
TCCR0A
Name
ADMUX
XMCRB
XMCRA
TIMSK5
TIMSK4
TIMSK3
TIMSK2
TIMSK1
TIMSK0
MCUCR
MCUSR
GPIOR2
GPIOR1
GPIOR0
RAMPZ
OCR0B
OCR0A
GTCCR
EEARH
CLKPR
TCNT0
EEARL
EICRB
EICRA
PCICR
EIMSK
PCIFR
ADCH
SREG
SMCR
OCDR
ADCL
PRR1
PRR0
ACSR
SPDR
SPSR
SPCR
EEDR
EECR
EIND
EIFR
SPH
SPL
PCINT23
PCINT15
CLKPCE
COM0A1
PCINT7
OCDR7
REFS1
PRTWI
FOC0A
SPMIE
Bit 7
ADEN
XMBK
ISC71
ISC31
INTF7
WDIF
SP15
SPIF
SPIE
SRE
ACD
TSM
INT7
SP7
JTD
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PCINT22
PCINT14
COM0A0
RWWSB
PCINT6
PRTIM2
OCDR6
REFS0
FOC0B
WCOL
Bit 6
ACME
ADSC
ISC70
ISC30
ACBG
INTF6
WDIE
SRL2
SP14
SPE
INT6
SP6
T
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PCINT21
PCINT13
COM0B1
PCINT5
PRTIM5
PRTIM0
OCDR5
EEPM1
ADLAR
ADATE
SIGRD
DORD
Bit 5
ISC61
ISC21
WDP3
INTF5
SRL1
ICIE5
ICIE4
ICIE3
ICIE1
SP13
ACO
INT5
SP5
H
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Timer/Counter0 Output Compare Register B
Timer/Counter0 Output Compare Register A
EEPROM Address Register Low Byte
General Purpose I/O Register 2
General Purpose I/O Register 1
General Purpose I/O Register 0
Oscillator Calibration Register
ADC Data Register High byte
RWWSRE
ADC Data Register Low byte
PCINT20
PCINT12
COM0B0
PCINT4
PRTIM4
OCDR4
EEPM0
Bit 4
WDCE
MUX4
ISC60
ISC20
MSTR
INTF4
SRL0
SP12
JTRF
ADIF
PUD
EEPROM Data Register
INT4
SP4
ACI
Timer/Counter0 (8 Bit)
S
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ATmega640/1280/1281/2560/2561
SPI Data Register
PCINT19
PCINT11
OCIE5C
OCIE4C
OCIE3C
OCIE1C
PRTIM3
PRTIM1
CLKPS3
BLBSET
WGM02
PCINT3
OCDR3
SRW11
Bit 3
WDRF
EERIE
MUX3
MUX5
ISC51
ISC11
CPOL
INTF3
ADIE
WDE
SP11
ACIE
INT3
SM2
SP3
V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
EEPROM Address Register High Byte
PRUSART3
PCINT18
PCINT10
OCIE5B
OCIE4B
OCIE3B
OCIE1B
CLKPS2
PGWRT
OCIE2B
OCIE0B
PCINT2
OCDR2
EEMPE
ADPS2
SRW10
ADTS2
Bit 2
XMM2
PCIE2
PRSPI
WDP2
MUX2
ISC50
ISC10
BORF
CPHA
INTF2
PCIF2
CS02
SP10
ACIC
INT2
SP2
SM1
N
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PRUSART2
PRUSART0
PCINT17
RAMPZ1
PSRASY
CLKPS1
OCIE5A
OCIE4A
OCIE3A
OCIE2A
OCIE1A
OCIE0A
PCINT9
PCINT1
OCDR1
WGM01
SRW01
PGERS
ADTS1
ADPS1
EXTRF
Bit 1
MUX1
XMM1
ISC41
ISC01
PCIE1
WDP1
IVSEL
ACIS1
INTF1
PCIF1
SPR1
EEPE
CS01
INT1
SM0
SP9
SP1
Z
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PRUSART1
PSRSYNC
PCINT16
RAMPZ0
CLKPS0
PCINT8
PCINT0
SPMEN
WGM00
SRW00
PRADC
OCDR0
ADTS0
ADPS0
Bit 0
MUX0
XMM0
TOIE5
TOIE4
TOIE3
TOIE2
TOIE1
TOIE0
ISC40
ISC00
PCIE0
WDP0
EIND0
PORF
ACIS0
SPI2X
INTF0
PCIF0
SPR0
EERE
CS00
IVCE
INT0
SP8
SP0
SE
C
-
-
-
-
-
-
-
-
-
-
-
-
67,110,100,308
272,290,,294
170, 194
Page
289
292
294
294
166
166
166
193
166
134
116
116
117
114
113
115
332
308
301
272
204
203
202
133
133
133
132
129
115
115
116
38
37
50
57
56
50
67
14
16
16
17
17
52
37
37
35
35
35
35
37
413
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