Microchip Technology ATMEGA32U4-AUR, 8bit AVR Microcontroller, 16MHz, 32 kB Flash, 44-Pin TQFP

  • RS Stock No. 177-2992
  • Mfr. Part No. ATMEGA32U4-AUR
  • Manufacturer Microchip
Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): PH
Product Details

The low-power Microchip 8-bit AVR RISC-based microcontroller featuring 32KB self-programming flash program memory, 2.5KB SRAM, 1KB EEPROM, USB 2.0 full-speed/low speed device, 12-channel 10-bit A/D-converter, and JTAG interface for on-chip-debug. The device achieves up to 16 MIPS throughput at 16 MHz. 2.7 - 5.5 Volt operation.

USB 2.0 Full-speed/Low Speed Device Module with Interrupt on Transfer Completion
Supports data transfer rates up to 12Mbit/s and 1.5Mbit/s
Endpoint 0 for Control Transfers: up to 64-bytes
Six Programmable Endpoints with IN or Out Directions and with Bulk, Interrupt or Isochronous Transfers
Configurable Endpoints size up to 256 bytes in double bank mode
Fully independent 832 bytes USB DPRAM for endpoint memory allocation
Suspend/Resume Interrupts
CPU Reset possible on USB Bus Reset detection
48MHz from PLL for Full-speed Bus Operation
USB Bus Connection/Disconnection on Microcontroller Request
Crystal-less operation for Low Speed mode

Attribute Value
Family Name ATmega
Package Type TQFP
Mounting Type Surface Mount
Pin Count 44
Device Core AVR
Data Bus Width 8bit
Program Memory Size 32 kB
Maximum Frequency 16MHz
RAM Size 2.5 kB
USB Channels 1
Number of PWM Units 1
ADC Channels 12
Number of SPI Channels 1
Typical Operating Supply Voltage 5.5 (Maximum) V
Width 10.1mm
Program Memory Type Flash
ADC Resolution 10bit
Timer Resolution 8 bit, 10 bit, 16 bit
Minimum Operating Temperature -40 °C
ADCs 1 (12 x 10 bit)
Number of Timers 3
Number of ADC Units 1
Number of USART Channels 1
Height 1.05mm
Number of I2C Channels 1
PWM Channels 14
Length 10.1mm
Dimensions 10.1 x 10.1 x 1.05mm
Pulse Width Modulation 1 (14 x 8 bit)
Number of UART Channels 1
PWM Resolution 8bit
Maximum Operating Temperature +85 °C
Instruction Set Architecture RISC
48 In stock for delivery within 3 working days
Price Each (In a Pack of 2)
HK$ 35.33
(exc. GST)
Per unit
Per Pack*
2 - 8
10 - 48
50 - 98
100 +
*price indicative
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