ATMEGA1281-16AU Atmel, ATMEGA1281-16AU Datasheet - Page 417
![IC MCU AVR 128K FLASH 64-TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA1281-16AU
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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- Download datasheet (10Mb)
2549M–AVR–09/10
ELPM
SPM
IN
OUT
PUSH
POP
MCU CONTROL INSTRUCTIONS
NOP
SLEEP
WDR
BREAK
Mnemonics
Rd, Z+
Rd, P
P, Rr
Rr
Rd
Operands
Note:
Extended Load Program Memory
Store Program Memory
In Port
Out Port
Push Register on Stack
Pop Register from Stack
No Operation
Sleep
Watchdog Reset
Break
EICALL and EIJMP do not exist in ATmega640/1280/1281.
ELPM does not exist in ATmega640.
Description
ATmega640/1280/1281/2560/2561
Rd ← (RAMPZ:Z), RAMPZ:Z ←RAMPZ:Z+1
(Z) ← R1:R0
Rd ← P
P ← Rr
STACK ← Rr
Rd ← STACK
(see specific descr. for Sleep function)
(see specific descr. for WDR/timer)
For On-chip Debug Only
Operation
None
None
None
None
None
None
None
None
None
None
Flags
#Clocks
N/A
3
1
1
2
2
1
1
1
-
417
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