ATMEGA1281-16MU Atmel, ATMEGA1281-16MU Datasheet - Page 37

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

Specifications of ATMEGA1281-16MU

• 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-MLF®, 64-QFN
• Processor Series: ATMEGA128x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 8 KB
• Interface Type: 2-Wire, SPI, UART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 6
• Operating Supply Voltage: 4.5 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
• On-chip Adc: 10 bit, 8 channel
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFPATAVRDB101 - MODULE DISPLAY LCD/RGB BACKLIGHT770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

11.11 Rev. 2549C-09/05
11.12 Rev. 2549B-05/05
11.13 Rev. 2549A-03/05
2549MS–AVR–09/10
8.
9.
10.
11.
12.
13.
14.
1.
2.
3.
4.
5.
6.
7.
8.
1.
2.
3.
4.
1.
Updated Text in
290.
Updated Note for
on page 289
Updated
Updated
Updated
Updated
Updated
Updated Speed Grade in section
Added
Updated
low and high period SPI clock must be larger than 2 CPU cycles.
Updated
Updated
Updated
Updated
64M2.
Updated
JTAG ID/Signature for ATmega640 updated: 0x9608.
Updated
Updated
Updated
Initial version.
“Resources” on page
Table 30-7 on page 376
“Filling the Temporary Buffer (Page Loading)” on page
“Typical Characteristics” on page
“Packaging Information” on page
“Errata” on page
“Bit Rate Generator Unit” on page
“Maximum speed vs. V
“Ordering Information” on page
“Packaging Information” on page
“Errata” on page
Table 12-7 on page
“Serial Programming Instruction set” on page
“Errata” on page
“SPI – Serial Peripheral Interface” on page
and
“ADCSRB – ADC Control and Status Register B” on page
Table 25-6 on page
Table 4 on page
ATmega640/1280/1281/2560/2561
29.
29.
29.
81.
11.
CC
and
“Features” on page
” on page
43,
295.
Table 30-8 on page
Table 12-15 on page
20.
25.
25. Package 64M1 replaced by
384.
247.
373.
1.
195. In Slave mode,
352.
377.
86,
Table 25-3
323.
37