ATMEGA1281-16AU Atmel, ATMEGA1281-16AU Datasheet - Page 96

• Manufacturer Part Number: ATMEGA1281-16AU
• Description: IC MCU AVR 128K FLASH 64-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA1281-16AU

• 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: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 16MHz
• Interface Type: 2-Wire/SPI/USART
• Total Internal Ram Size: 8KB
• # I/os (max): 54
• Number Of Timers - General Purpose: 6
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: TQFP
• Processor Series: ATMEGA128x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 8 KB
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 6
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRRZ541, ATAVRRAVEN, ATAVRRZRAVEN, ATAVRRZUSBSTICK, ATAVRISP2, ATAVRRZ201
• Minimum Operating Temperature: - 40 C
• Controller Family/series: AVR MEGA
• No. Of I/o's: 54
• Eeprom Memory Size: 4KB
• Ram Memory Size: 8KB
• Cpu Speed: 16MHz
• Rohs Compliant: Yes
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFPATAVRDB101 - MODULE DISPLAY LCD/RGB BACKLIGHT770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.3.10
2549M–AVR–09/10
Alternate Functions of Port K
Table 12-28. Overriding Signals for Alternate Functions in PJ7:PJ4
Table 12-29. Overriding Signals for Alternate Functions in PJ3:PJ0
The Port K alternate pin configuration is as follows:
Table 12-30. Port K Pins Alternate Functions
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PK7
PK6
PK5
PJ7
0
0
0
0
0
0
-
0
0
0
-
PJ3/PCINT12
0
0
0
0
0
0
-
PCINT12·PCIE1
1
PCINT12 INPUT
-
ADC15/PCINT23 (ADC Input Channel 15 or Pin Change Interrupt 23)
ADC14/PCINT22 (ADC Input Channel 14 or Pin Change Interrupt 22)
ADC13/PCINT21 (ADC Input Channel 13 or Pin Change Interrupt 21)
ATmega640/1280/1281/2560/2561
PJ6/ PCINT15
0
0
0
0
0
0
-
PCINT15·PCIE1
1
PCINT15 INPUT
-
PJ2/XCK3/PCINT
11
0
0
XCK3 OUTPUT
ENABLE
1
XCK3 OUTPUT
ENABLE
XCK3
-
PCINT11·PCIE1
1
PCINT11 INPUT
XCK3 INPUT
-
Alternate Function
PJ5/ PCINT14
0
0
0
0
0
0
-
PCINT14·PCIE1
1
PCINT14 INPUT
-
PJ1/TXD3/PCINT
10
TXEN3
0
TXEN3
1
TXEN3
TXD3
-
PCINT10·PCIE1
1
PCINT10 INPUT
-
PJ4/ PCINT13
0
0
0
0
0
0
-
PCINT13·PCIE1
1
PCINT13 INPUT
-
PJ0/RXD3/PCINT
9
RXEN3
PORTJ0·PUD
RXEN3
0
0
0
-
PCINT9·PCIE1
1
PCINT9 INPUT
RXD3
-
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