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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 20VFQFN
- Series：AVR® DD
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：16
- 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 13x12b SAR; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-VQFN (3x3)
- Package / Case：20-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The AVR16DD20T-E/REB is an 8-bit microcontroller from the AVR DD family, featuring a 16 KB Flash program memory and 2 KB SRAM. It operates at a maximum clock frequency of 24 MHz with a supply voltage range of 1.8 V to 5.5 V. The device includes a 12-bit ADC with 13 channels, a 10-bit DAC, two USARTs, SPI, and TWI interfaces. It utilizes a 20-pin VQFN package and supports extended industrial temperature operation from -40°C to +125°C.
Feature Summary
- Features Multi-Voltage I/O (MVIO) on PORTC for flexible voltage level interfacing
- Includes intelligent analog peripherals such as a 12-bit differential ADC and Zero-Cross Detector
- Supports automated Cyclic Redundancy Check (CRC) scanning for Flash memory integrity verification
Applications
- Industrial control systems requiring robust data integrity checks
- Low-voltage embedded applications operating between 1.8V and 5.5V
- Sensor interface designs utilizing high-resolution analog-to-digital conversion
Procurement Notes
Verify the specific ordering suffix 'E' confirms the extended temperature range (-40°C to +125°C) and 'T/REB' indicates tape and reel packaging. Ensure compatibility with the UPDI programming interface and confirm that the 20-pin VQFN footprint matches the target PCB design requirements before finalizing procurement.
Selection Notes
Select this component when a balance of moderate memory capacity and advanced analog features is required within a compact 20-pin form factor. It is suitable for applications needing multi-voltage I/O flexibility and precise timing control via hardware timers. Consider the extended temperature rating if the environment exceeds standard industrial limits.
Part Context
This part belongs to the AVR DD family, which emphasizes low-power architecture and event-driven processing. The family offers vertical migration capabilities without code modification across different pin counts and memory sizes. The AVR16DD20 variant specifically targets cost-sensitive applications while retaining key peripheral sets found in larger devices.
Replacement Considerations
AVR16DD20T-I/REB is a confirmed substitute offering identical specifications but with an industrial temperature range (-40°C to +85°C). Verify that the thermal requirements of the application align with the lower temperature limit of the 'I' suffix variant.
