ATMEGA1281-16AUR Atmel, ATMEGA1281-16AUR Datasheet - Page 353
![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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Figure 29-11. Serial Programming Instruction example
29.8.4
2549M–AVR–09/10
Byte 1
Serial Programming Characteristics
Load Program Memory Page (High/Low Byte)/
Load EEPROM Memory Page (page access)
Bit 15 B
Byte 2
Adr M M S S B
A
Within the same page, the low data byte must be loaded prior to the high data byte.
After data is loaded to the page buffer, program the EEPROM page, see
For characteristics of the Serial Programming module, see
374.
Figure 29-12. Serial Programming Waveforms
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
Byte 3
SERIAL DATA INPUT
Adr LSB
Page Offset
SAMPLE
0
(MOSI)
(MISO)
(SCK)
Serial Programming Instruction
Byte 4
Program Memory/
EEPROM Memory
Page Buffer
MSB
MSB
Page N-1
Page 0
Page 1
Page 2
ATmega640/1280/1281/2560/2561
Byte 1
Page Number
Bit 15 B
Write Program Memory Page/
Write EEPROM Memory Page
Byte 2
Adr MSB
“SPI Timing Characteristics” on page
Byte 3
A A dr r L L SB B
Figure
0
29-11.
LSB
LSB
Byte 4
353
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