ATMEGA1281-16AU Atmel, ATMEGA1281-16AU Datasheet - Page 36

IC MCU AVR 128K FLASH 64-TQFP

ATMEGA1281-16AU

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

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA1281-16AU
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATMEGA1281-16AU
Manufacturer:
ATMEL
Quantity:
982
Part Number:
ATMEGA1281-16AUR
Manufacturer:
Atmel
Quantity:
10 000
11.7
11.8
11.9
11.10 Rev. 2549D-12/05
2549MS–AVR–09/10
Rev. 2549G-06/06
Rev. 2549F-04/06
Rev. 2549E-04/06
1.
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10.
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Updated
Added
Updated
Updated
Updated note for
Updated
Updated
Updated
Added Package information
Updated
Updated
page
Updated
Updated Features in
Updated
Updated
Updated
Updated note for
Updated
273.
Updated
Updated
Updated
Advanced Information Status changed to Preliminary.
Changed number of I/O Ports from 51 to 54.
Updatet typos in
129.
Updated Features in
Updated Operation
Updated Stabilizing Time in
on page
Updated
on page
32.
Figure 1-2 on page
282.
285.
“Features” on page
“” on page
“Power Management and Sleep Modes” on page
Figure 25-9 on page 285
“Setting the Boot Loader Lock Bits by SPM” on page
“Ordering Information” on page
“Errata” on page
Table 19-2 on page 187
“Fuse Bits” on page
“Features” on page
Table 12-1 on page
“Prescaling and Conversion Timing” on page
“Maximum speed vs. V
“Ordering Information” on page
Figure 8-3 on page
Figure 25-1 on page
“Bit 6 – ACBG: Analog Comparator Bandgap Select” on page
Table 11-1 on page
Table 12-1 on page
“TCCR0A – Timer/Counter Control Register A” on page
in“ADC – Analog to Digital Converter” on page 275
46.
“ADC – Analog to Digital Converter” on page
“ADC – Analog to Digital Converter” on page
ATmega640/1280/1281/2560/2561
3,
29.
“100C1” on page
62.
“Changing Channel or Reference Selection”
Table 1-1 on page
31,
1.
1.
336.
276,
CC
Figure 8-4 on page 31
and
and
” on page
Figure 25-9 on page
68.
Table 19-3 on page
62.
Figure 25-10 on page
20.
20.
373.
26.
3.
278.
and
285,
187.
52.
285.
Figure 8-5 on
Figure 25-10
324.
275.
275.
36

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