ATMEGA1281-16AUR Atmel, ATMEGA1281-16AUR Datasheet - Page 164
![MCU AVR 128K FLASH 16MHZ 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA1281-16AUR
Manufacturer Part Number
ATMEGA1281-16AUR
Description
MCU AVR 128K FLASH 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1281-16AUR
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
For Use With
ATAVRDB101 - MODULE DISPLAY LCD/RGB BACKLIGHTATSTK600 - DEV KIT FOR AVR/AVR32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
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Price
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16.11.20 OCR3AH and OCR3AL – Output Compare Register 3 A
16.11.21 OCR3BH and OCR3BL – Output Compare Register 3 B
16.11.22 OCR3CH and OCR3CL – Output Compare Register 3 C
16.11.23 OCR4AH and OCR4AL – Output Compare Register 4 A
16.11.24 OCR4BH and OCR4BL – Output Compare Register 4 B
16.11.25 OCR4CH and OCR4CL –Output Compare Register 4 C
16.11.26 OCR5AH and OCR5AL – Output Compare Register 5 A
2549M–AVR–09/10
Bit
(0x99)
(0x98)
Read/Write
Initial Value
Bit
(0x9B)
(0x9A)
Read/Write
Initial Value
Bit
(0x9D)
(0x9C)
Read/Write
Initial Value
Bit
(0xA9)
(0xA8)
Read/Write
Initial Value
Bit
(0xAA)
(0xAB)
Read/Write
Initial Value
Bit
(0xAD)
(0xAC)
Read/Write
Initial Value
Bit
(0x129)
(0x128)
Read/Write
Initial Value
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7
0
7
0
7
0
7
0
7
0
7
0
7
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
6
0
6
0
6
0
6
0
6
0
6
0
6
0
ATmega640/1280/1281/2560/2561
R/W
R/W
R/W
R/W
R/W
R/W
R/W
5
0
5
0
5
0
5
0
5
0
5
0
5
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
4
0
4
0
4
0
4
0
4
0
4
0
4
0
OCR3A[15:8]
OCR3B[15:8]
OCR3C[15:8]
OCR4A[15:8]
OCR4B[15:8]
OCR4C[15:8]
OCR5A[15:8]
OCR3A[7:0]
OCR3B[7:0]
OCR3C[7:0]
OCR4A[7:0]
OCR4B[7:0]
OCR4C[7:0]
OCR5A[7:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
3
0
3
0
3
0
3
0
3
0
3
0
3
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
2
0
2
0
2
0
2
0
2
0
2
0
2
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
1
0
1
0
1
0
1
0
1
0
1
0
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
0
0
0
0
0
0
OCR3AH
OCR3BH
OCR3CH
OCR4AH
OCR4BH
OCR4CH
OCR5AH
OCR3AL
OCR3BL
OCR3CL
OCR4AL
OCR4BL
OCR4CL
OCR5AL
164
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