ATMEGA2561-16AI Atmel, ATMEGA2561-16AI Datasheet - Page 90
![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
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12.3.7
2549M–AVR–09/10
Alternate Functions of Port G
Table 12-19. Overriding Signals for Alternate Functions in PF7:PF4
Table 12-20. Overriding Signals for Alternate Functions in PF3:PF0
The Port G alternate pin configuration is as follows:
Table 12-21. Port G Pins Alternate Functions
DIEOE
DIEOV
Signal
PUOE
PUOV
DDOE
DDOV
Name
PVOE
PVOV
AIO
Signal Name
DI
Port Pin
DIEOE
DIEOV
DDOE
PUOE
PUOV
DDOV
PVOE
PVOV
PG5
PG4
PG3
PG2
PG1
PG0
AIO
DI
TDI/ADC7 INPUT
PF7/ADC7/TDI
JTAGEN
JTAGEN
JTAGEN
1
0
0
0
0
–
ADC3 INPUT
PF3/ADC3
OC0B (Output Compare and PWM Output B for Timer/Counter0)
0
0
0
0
0
0
0
0
–
ATmega640/1280/1281/2560/2561
PF6/ADC6/TDO
ALE (Address Latch Enable to external memory)
ADC6 INPUT
SHIFT_IR +
SHIFT_DR
JTAGEN
JTAGEN
JTAGEN
JTAGEN
TOSC1 (RTC Oscillator Timer/Counter2)
TOSC2 (RTC Oscillator Timer/Counter2)
WR (Write strobe to external memory)
RD (Read strobe to external memory)
TDO
0
0
–
ADC2 INPUT
PF2/ADC2
0
0
0
0
0
0
0
0
–
Alternate Function
TMS/ADC5 INPUT
PF5/ADC5/TMS
JTAGEN
JTAGEN
JTAGEN
ADC1 INPUT
PF1/ADC1
1
0
0
0
0
–
0
0
0
0
0
0
0
0
–
TCK/ADC4 INPUT
PF4/ADC4/TCK
ADC0 INPUT
PF0/ADC0
JTAGEN
JTAGEN
JTAGEN
1
0
0
0
0
–
0
0
0
0
0
0
0
0
–
90
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