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ATUC256L4U-AUR

ATUC256L4U-AUR

ATUC256L4U-AUR

Microchip Technology

256KB 256K x 8 FLASH AVR 32-Bit Microcontroller AVR®32 UC3 L Series ATUC256L 48 Pin 50MHz 1.8V 48-TQFP

SOT-23

ATUC256L4U-AUR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 9 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 48-TQFP
Surface MountYES
Number of Pins 48
Supplier Device Package 48-TQFP (7x7)
Number of Terminals 48
Interfaces SPI/TWI/USART/USB
Manufacturer Microchip
Brand Microchip Technology
Tradename UC3
RoHS Details
Number of I/Os 21
Package Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;
Base Product Number ATUC256
Mfr Microchip Technology
Data Converters A/D 8x12b
Product Status Active
Package Shape SQUARE
Number of I/O Lines 36
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
Series AVR®32 UC3 L
Published 2013
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 48
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
Terminal Position QUAD
Terminal FormGULL WING
Supply Voltage 1.8V
Terminal Pitch0.5mm
Reach Compliance Code compliant
Frequency 50MHz
Base Part Number ATUC256L
JESD-30 Code S-PQFP-G48
Qualification StatusNot Qualified
Operating Supply Voltage1.8V
Supply Voltage-Max (Vsup) 1.98V
Power Supplies1.81.8/3.3V
Temperature GradeINDUSTRIAL
Interface I2C, IrDA, LIN, SPI, UART, USART, USB
Max Supply Voltage1.98 V
Min Supply Voltage1.62 V
Memory Size128kB
Oscillator TypeInternal
Number of I/O 36
Speed 50MHz
RAM Size 32K x 8
Memory TypeFLASH
Voltage - Supply (Vcc/Vdd) 1.62V~3.6V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor AVR
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 32-Bit
Program Memory Size 256KB 256K x 8
Connectivity I2C, SPI, UART/USART, USB
Bit Size 32
Data Converter A/D 8x12b
Watchdog TimerYes
Has ADC YES
DMA Channels YES
Data Bus Width 32b
PWM Channels YES
DAC Channels NO
Seated Height-Max 1.2 mm
Number of Timers/Counters 7
Product Type32-bit Microcontrollers - MCU
ROM (words) 65536
Core Architecture AVR
EEPROM Size -
CPU Family AVR RISC
Max Frequency 50 MHz
Number of Programmable I/O 36
RAM (bytes) 32768
ROM Programmability FLASH
Product MCU
Product Category32-bit Microcontrollers - MCU
Device CoreAVR
Height Seated (Max) 1.2mm
Width 7 mm
Length 7 mm
RoHS StatusROHS3 Compliant
In-Stock:979 items

Pricing & Ordering

QuantityUnit PriceExt. Price

ATUC256L4U-AUR Product Details

ATUC256L4U-AUR Overview


Packaged in a 48-TQFP format. A total of 36 I/Os are on the Microcontroller. Surface Mount is the mounting type of the Microcontroller that is attached to the panel. This Microcontroller is based on a core called 32-Bit. The type of its program memory is FLASH. In this Microcontroller, temperature is controlled within the range -40°C~85°C TA. A AVR®32 UC3 L series electrical component is used in this application. This program has a program memory of 256KB 256K x 8 bytes, which is the size of the program. With a AVR Core Processor, Microcontroller is fast and efficient. ICs for MICROCONTROLLER, RISC uPs/uCs/peripheral parts. There are 48 terminations on the IC chip, which means there are 48 terminations on the integrated circuit chip. In addition, MCU chip comes with a 32-bit size. Microcontroller chip has outputs of 1.8V volts. The system has YES channels for DMA communication. There is 128kB memory size assigned to the part. Alternatives can be found by searching through the base part number ATUC256L to find them. At a frequency of 50MHz, Microcontroller can operate efficiently. This MCU Chip uses YES PWM channels to operate. Chips have 48 pins. There are 7 timers/counters in this device. The AVR RISC CPU family is embedded in the device, so it can handle a wide range of operations. The equipment has a FLASH memory that is built in. It is equipped with a AVR core architecture which is integrated into it. In the 36 Programmable I/O section, it can be programmed in many different ways.

ATUC256L4U-AUR Features


48-TQFP package
Mounting type of Surface Mount
Minimum temperature of -40 °C


ATUC256L4U-AUR Applications


There are a lot of Microchip Technology
ATUC256L4U-AUR Microcontroller applications.


  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances

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