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ATMEGA32U4RC-AU

ATMEGA32U4RC-AU

ATMEGA32U4RC-AU

Microchip Technology

32KB 16K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATmega Series ATMEGA32U4 44 Pin 16MHz 5V 44-TQFP

SOT-23

ATMEGA32U4RC-AU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 7 Weeks
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-TQFP
Surface MountYES
Number of Pins 44
Supplier Device Package 44-TQFP (10x10)
Number of Terminals 44
Mounting Style SMD/SMT
Interfaces SPI/TWI/USART/USB
Data Converters A/D 12x10b
Package Tray
Base Product Number ATMEGA32
Mfr Microchip Technology
Product Status Active
MSL MSL 3 - 168 hours
SVHC No SVHC (10-Jun-2022)
Number of I/Os 26 I/O
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature - 40 C
Interface Type JTAG, SPI, TWI, USART
Manufacturer Microchip
Brand Microchip Technology / Atmel
Tradename AVR
RoHS Details
Package Shape SQUARE
Number of I/O Lines 26
Operating Temperature-40°C~85°C TA
PackagingTray
Series AVR® ATmega
Published 2001
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Terminal Finish Matte Tin (Sn)
Additional FeatureALSO OPERATES AT 8 MHZ WITH A MINIMUM SUPPLY OF 2.7V
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch0.8mm
Reach Compliance Code compliant
Frequency 16MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATMEGA32U4
JESD-30 Code S-PQFP-G44
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies3/5V
Temperature GradeINDUSTRIAL
Interface I2C, SPI, UART, USART, USB
Memory Size32kB
Oscillator TypeInternal
Number of I/O 26
Speed 16MHz
RAM Size 2.5K x 8
Voltage - Supply (Vcc/Vdd) 2.7V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor AVR
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 32KB 16K x 16
Connectivity I2C, SPI, UART/USART, USB
Supply Current-Max 15 mA
Bit Size 8
Data Converter A/D 12x10b
Watchdog TimerYes
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Seated Height-Max 1.2 mm
Number of Timers/Counters 4 Timer
Product Type8-bit Microcontrollers - MCU
ROM (words) 16384
EEPROM Size 1K x 8
CPU Family AVR RISC
RAM (bytes) 2560
Number of ADC Channels 12
ROM Programmability FLASH
Number of PWM Channels 4
Number of I2C Channels 1
Product MCU
Product Category8-bit Microcontrollers - MCU
Device CoreAVR
Height 1mm
Length 10mm
Width 10mm
REACH SVHC No SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:1260 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$4.10000$4.1
25$3.75960$93.99
100$3.40930$340.93

ATMEGA32U4RC-AU Product Details

ATMEGA32U4RC-AU Overview


A 44-TQFP package is included. In total, it has 26 inputs and outputs. This Microcontroller is mounted using the Surface Mount mounting type. Powered by the 8-Bit core, it offers a wide range of capabilities. The type of memory that the program uses is FLASH. The temperature range of this Microcontroller is within the range of -40°C~85°C TA. AVR® ATmega series components belong to this electrical component. Its program memory size is 32KB 16K x 16. There is a AVR Core Processor inside MCU that provides this device with its power. MICROCONTROLLER, RISC uPs, uCs, and peripheral ICs make up the Microcontroller. Microcontroller is known that the chip has 44 terminations in total. The part works on a 8-bit basis. An output voltage of 5V volts is available for this Microcontroller chip. The Microcontroller chip has NO DMA channels. 32kB memory size belongs to the part. ATMEGA32U4 is the base part number that you can use to find alternatives. A good performance can be achieved at a frequency of 16MHz, as long as it is operated at a low power consumption. In order for the device to work with the motor, it utilizes the PWM channel YES. On the chip, there are 44 pins that are accessible. A total of 4 Timer timers/counters are included in the package. Devices based on the AVR RISC series of CPUs are embedded in the device. As a few examples, there are additional features like ALSO OPERATES AT 8 MHZ WITH A MINIMUM SUPPLY OF 2.7V that are available in the software. In total, there are 12 channels for the ADC on this board. A total of 4 PWM channels are used by the device. Devices like this use an 1-channel PWM controller.

ATMEGA32U4RC-AU Features


44-TQFP package
Mounting type of Surface Mount


ATMEGA32U4RC-AU Applications


There are a lot of Microchip Technology
ATMEGA32U4RC-AU Microcontroller applications.


  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio
  • Entertainment products
  • Digital cameras

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