ATMEGA2561-16AI Atmel, ATMEGA2561-16AI Datasheet - Page 85
![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
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Manufacturer
Quantity
Price
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2549M–AVR–09/10
Table 12-13. Overriding Signals for Alternate Functions PD7:PD4
Table 12-14. Overriding Signals for Alternate Functions in PD3:PD0
Note:
Signal Name
Signal Name
DIEOE
DIEOV
DDOE
PUOE
PUOV
DDOV
PVOE
PVOV
DIEOE
DIEOV
DDOE
PUOE
PUOV
DDOV
PVOE
PVOV
AIO
AIO
DI
DI
1. When enabled, the 2-wire Serial Interface enables Slew-Rate controls on the output pins PD0
and PD1. This is not shown in this table. In addition, spike filters are connected between the
AIO outputs shown in the port figure and the digital logic of the TWI module.
PD3/INT3/TXD1
INT3 ENABLE
INT3 INPUT
T0 INPUT
PD7/T0
TXEN1
TXEN1
TXEN1
TXD1
0
0
0
0
0
0
0
0
–
0
1
1
–
ATmega640/1280/1281/2560/2561
T1 INPUT
PD6/T1
INT2 INPUT/RXD1
PD2/INT2/RXD1
PORTD2 • PUD
INT2 ENABLE
0
0
0
0
0
0
0
0
–
RXEN1
RXEN1
0
0
0
1
–
XCK1 OUTPUT ENABLE
XCK1 OUTPUT ENABLE
XCK1 OUTPUT
XCK1 INPUT
PD5/XCK1
PORTD1 • PUD
PD1/INT1/SDA
INT1 ENABLE
INT1 INPUT
SDA INPUT
SDA_OUT
0
0
1
0
0
–
TWEN
TWEN
TWEN
0
1
(1)
PORTD0 • PUD
PD0/INT0/SCL
INT0 ENABLE
INT0 INPUT
SCL INPUT
SCL_OUT
ICP1 INPUT
TWEN
TWEN
TWEN
PD4/ICP1
0
1
0
0
0
0
0
0
0
0
–
85
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