ATMEGA2561-16AI Atmel, ATMEGA2561-16AI Datasheet - Page 4
![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
Figure 1-3.
2549MS–AVR–09/10
(RXD0/ PCINT8 /PDI) PE0
(ICP3/ CLKO /INT7) PE7
(OC2A/ PCINT4 ) PB4
(MOSI/ PCINT2 ) PB2
(MISO/ PCINT3 ) PB3
(OC1A/ PCINT5 ) PB5
(OC1B/ PCINT6 ) PB6
(SCK/ PCINT1 ) PB1
(OC3A/AIN1) PE3
(OC3C/INT5) PE5
(SS/ PCINT0 ) PB0
(OC3B/INT4) PE4
(XCK0/AIN0) PE2
(TXD0/PDO) PE1
(T3/INT6) PE6
Pinout ATmega1281/2561
(OC0B) PG5
Note:
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
The large center pad underneath the QFN/MLF package is made of metal and internally con-
nected to GND. It should be soldered or glued to the board to ensure good mechanical stability. If
the center pad is left unconnected, the package might loosen from the board.
INDEX CORNER
ATmega640/1280/1281/2560/2561
ATmega1281/2561
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
PA3 (AD3)
PA4 (AD4)
PA5 (AD5)
PA6 (AD6)
PA7 (AD7)
PG2 (ALE)
PC7 (A15 )
PC6 (A14)
PC5 (A13)
PC4 (A12)
PC3 (A11)
PC2 (A10)
PC1 (A9)
PC0 (A8)
PG1 (RD)
PG0 (WR)
4