ATMEGA1281-16MUR

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ATMEGA1281-16MUR

IC MCU 8BIT 128KB FLASH 64QFN

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  • Fr. Teil #ATMEGA1281-16MUR
  • Paket VQFN-64
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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
Series AVR® ATmega
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 16MHz
Connectivity EBI/EMI, I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 54
ProgramMemorySize 128KB (64K x 16)
ProgramMemoryType FLASH
EEPROMSize 4K x 8
RAMSize 8K x 8
Voltage-Supply(Vcc/Vdd) 2.7V ~ 5.5V
DataConverters A/D 8x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 64-VFQFN Exposed Pad

Übersicht

Description

ATmega1281-16MUR is an 8‑bit AVR microcontroller from Atmel (Microchip) in the MegaAVR family. It uses the AVR RISC core with Harvard architecture, designed for embedded control and data processing.
Key points:
- Speed grade: up to 16 MHz (the “16” in the part name).
- Memory (typical): up to 128 KB flash program memory, about 4 KB RAM, and 4 KB EEPROM.
- Peripherals: multiple timers (8‑ and 16‑bit), 8‑channel 10‑bit ADC, USART/UART, SPI, I2C (TWI), PWM outputs, and interrupt system.
- I/O and power: wide I/O options with operating voltage roughly 1.8–5.5 V (at 16 MHz typically 4.5–5.5 V).
- Programming and tools: ISP (in-system programming); supported by AVR-GCC, Atmel Studio, and related development tools.
- Applications: suitable for mid‑range control, data acquisition, and general embedded applications requiring a balanced mix of memory, peripherals, and I/O.
Note: For exact memory figures, I/O count, packaging, and electrical characteristics, consult the official datasheet.

Features

ATmega1281-16MUR features (concise):
- AVR 8-bit RISC CPU, up to 16 MIPS at 16 MHz
- Memory: 128 KB Flash, 4 KB SRAM, 4 KB EEPROM
- I/O: Rich I/O ports with numerous general-purpose I/O pins
- Timers/PWM: Multiple timers/counters (including 16-bit timers) with PWM capability
- ADC: 8-channel, 10-bit ADC
- Analog: Analog comparator
- Serial/communication: USARTs (serial), SPI, and I2C (TWI)
- Debug/Programming: In-system programming; on-chip debugging options (DebugWIRE/JTAG)
- Power: Operates from 1.8–5.5 V (16 MHz typically 2.7–5.5 V); multiple sleep modes; watchdog timer; brown-out detector
- Additional: Interrupts and pin-change interrupts; suitable for embedded control and sensing tasks
Note: exact package/pin count may vary by revision; the “16MUR” denotes 16 MHz speed and RoHS-compliant packaging.

Package

ATmega1281-16MUR comes in a 100-pin TQFP (Thin Quad Flat Pack), RoHS-compliant.

Pinout

- Pin count: 100 pins (100-pin package, e.g., TQFP/QFN variant).
- Function: ATmega1281-16MUR is an 8-bit AVR microcontroller (megaAVR family) running up to 16 MHz, with onboard flash/RAM/EEPROM and multiple peripherals (USART/SPI/I2C, timers, PWM, ADC, analog comparator, GPIO) for embedded control applications.

Manufacturer

Manufacturer: Microchip Technology Inc. It is a global American semiconductor company that designs, develops and manufactures embedded control solutions, including microcontrollers (AVR and PIC families), memory, and analog devices. Microchip acquired Atmel (the former maker of ATmega parts) in 2016.

Application

Common application areas for ATmega1281-16MUR:
- Industrial automation and control modules (sensors, actuators, small PLC-like tasks)
- Robotics and mechatronics (motor control, sensing, feedback loops)
- Data acquisition, instrumentation, and portable test equipment
- Home/building automation and smart devices (sensors, controllers)
- Embedded consumer electronics and DIY/hobbyist projects
- Educational prototyping and product development (fast-turnaround MCU platform)
Key capabilities: multiple I/O lines, timers/PWM, ADC, UART/SPI/I2C peripherals, and moderate memory for code/data.

Equivalent

Closest equivalents are packaging variants of the same MCU:
- ATmega1281-16MU (same silicon, different package)
Note: There isn’t a direct cross‑vendor drop‑in equivalent. For similar functionality, you’d look to other megaAVR parts (e.g., ATmega1280 or ATmega328P), but they’re not drop‑in replacements.

Versand

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