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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 32VFQFN
- Series：AVR® DD
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：AVR
- Core Size：8-Bit
- Speed：24MHz
- Connectivity：I2C, IrDA, LINbus, RS-485, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：26
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：256 x 8
- RAM Size：2K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 23x12b SAR; D/A 1x10b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-VQFN (5x5)
- Package / Case：32-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The AVR16DD32-E/RXB is a RISC microcontroller from the AVR DD Family, featuring an AVR CPU with hardware multiplier running at clock speeds up to 24 MHz. It includes 16 KB of Flash memory, 2 KB of SRAM, and 256 bytes of EEPROM. The device operates within a supply voltage range of 1.8V to 5.5V and supports extended temperature ranges (-40°C to +125°C). It utilizes a 32-pin VQFN package (RXB suffix) and offers advanced digital peripherals including TWI/I2C, USART, SPI, TCA, TCB, TCD, RTC, ADC, DAC, and CCL.
Feature Summary
- AVR CPU with single-cycle I/O access and two-cycle hardware multiplier
- In-system self-programmable Flash memory with CRCSCAN support
- Multi-Voltage I/O (MVIO) on PORTC for flexible voltage levels
- Event System for CPU-independent inter-peripheral signaling
Applications
- Industrial control systems requiring robust peripheral interfaces
- Consumer electronics utilizing low-power sleep modes
- Automotive applications compatible with ISO 26262 safety standards
- Smart energy metering devices with precise timing requirements
Procurement Notes
Verify the specific ordering suffix RXB corresponds to the 32-pin VQFN package configuration. Confirm the E suffix indicates the extended temperature range capability required for your operational environment. Ensure compatibility with MPLAB X IDE and UPDI programming tools during the procurement phase.
Selection Notes
Select this component when 16 KB of program memory and 2 KB of RAM are sufficient for the application logic. Consider the AVR16DD32 over larger variants if pin count and feature set alignment with smaller packages like AVR16DD28 or AVR16DD20 are prioritized while maintaining vertical migration compatibility within the DD family.
Part Context
This part belongs to the AVR DD Family, which emphasizes low power consumption and high performance through its optimized architecture. The family supports vertical migration without code modification, allowing designers to scale memory and peripheral counts across different pin counts while retaining software compatibility.
Replacement Considerations
AVR32DD32-E/RXB
FAQ
What is the maximum operating frequency of the AVR16DD32?
The AVR16DD32 microcontroller runs at clock speeds up to 24 MHz.
Does the AVR16DD32 support simultaneous host and client operation on TWI?
Yes, the TWI interface can operate simultaneously as both host and client on different pins.
What is the data retention period for the EEPROM?
The EEPROM has a data retention specification of 40 years at 55°C.
