AVR64DD32-I/PT | MULTI-VOLTAGE I/O Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip AVR64DD32 is an 8-bit AVR microcontroller with 64KB flash, 8KB SRAM, and 32 pins. It operates at up to 24 MHz with multi-voltage I/O (MVIO), 12-bit ADC, DAC, ZCD, 2x UART, SPI, and TWI interfaces. Available for worldwide shipping from stock.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 32
- Lifecycle
- ACTIVE
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of AVR64DD32-I/PT | MULTI-VOLTAGE I/O?
- Multi-Voltage I/O (MVIO) enables direct interfacing with 1.8V, 3.3V, and 5V logic domains without level shifters
- 12-bit ADC with up to 22 channels delivers high-resolution analog sensing for precision measurement applications
- Integrated ZCD (Zero-Cross Detector) and DAC enable advanced analog control loops in motor and power applications
What is AVR64DD32-I/PT | MULTI-VOLTAGE I/O used for?
The AVR64DD32 targets embedded control applications requiring mixed-voltage interfacing, such as industrial sensor nodes and smart home devices that bridge 3.3V microcontroller cores to 5V legacy peripherals. Its 24 MHz AVR core combined with UART, SPI, and TWI makes it suitable for IoT edge nodes, low-power data loggers, and motor control units. The MVIO feature simplifies board design in battery-powered wearables and portable instruments where multiple supply rails coexist.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the AVR64DD32-I/PT | MULTI-VOLTAGE I/O datasheet?
AVR64DD32-I/PT | MULTI-VOLTAGE I/O Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for AVR64DD32-I/PT | MULTI-VOLTAGE I/O?
Compatible alternatives and drop-in replacements for AVR64DD32-I/PT | MULTI-VOLTAGE I/O:
64KB, 8KB RAM, 32p, 24MHz, MVIO, 12b ADC, ZCD, DAC, 2xUART, SPI, TWI
Frequently Asked Questions
What clock speed and flash memory does the AVR64DD32 provide for real-time control tasks?
The AVR64DD32 runs at up to 24 MHz with 64KB of flash memory and 8KB of SRAM, giving it sufficient headroom for real-time sensor fusion, PID control loops, and communication stacks without external memory.
How does the MVIO feature on AVR64DD32 simplify mixed-voltage PCB designs?
MVIO allows selected I/O pins to operate at a different voltage than the core, supporting 1.8V, 3.3V, and 5V logic levels simultaneously. This eliminates external level-shifter ICs, reducing BOM cost and board space in designs that mix 5V legacy sensors with a 3.3V microcontroller core.
Which communication interfaces does the AVR64DD32 support for connecting to external peripherals?
The device integrates 2x UART, 1x SPI, and 1x TWI (I2C-compatible) interfaces, making it straightforward to connect to displays, sensors, and wireless modules. All interfaces are accessible on the 32-pin TQFP package, covering typical embedded connectivity needs across 3.3V and 5V systems.
When is the AVR64DD32 a better fit than a larger 64-pin AVR device for cost-sensitive designs?
For applications needing fewer than 26 GPIO lines but requiring MVIO and a 12-bit ADC, the AVR64DD32 in a compact 32-pin TQFP package reduces PCB size and unit cost compared to 64-pin alternatives, while still delivering 24 MHz performance and full peripheral integration.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit