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Product Detailed Parameters
- Description：128KB, 16KB RAM, 48P, 24MHZ, PDI
- Series：AVR® DA
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：24MHz
- Connectivity：I2C, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：40
- Program Memory Size：128KB (128K x 8)
- Program Memory Type：FLASH
- EEPROM Size：512 x 8
- RAM Size：16K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 18x12b SAR; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount, Wettable Flank
- Supplier Device Package：48-VQFN (6x6)
- Package / Case：48-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The AVR128DA48ST-I/6MX is an 8-bit microcontroller from the AVR DA(S) family, featuring a 48-pin VQFN package. It operates at up to 24 MHz and includes 128 KB of Flash memory, 16 KB of SRAM, and 512B of EEPROM. The device supports a supply voltage range of 1.8V to 5.5V and functions within an industrial temperature range of -40°C to +85°C.
Feature Summary
- Includes Program and Debug Interface Disable (PDID) for secure firmware protection
- Integrates Peripheral Touch Controller (PTC) with Driven Shield+ technology
- Features an Event System for CPU-independent peripheral signaling
- Supports automated Cyclic Redundancy Check (CRC) Flash memory scanning
Applications
- Secure embedded systems requiring firmware authentication
- Industrial control applications with capacitive touch interfaces
- Power management devices utilizing zero-cross detection
- General-purpose microcontroller designs in compact form factors
Procurement Notes
Verify that the ordering suffix 'ST' corresponds to the Tape & Reel carrier type as defined in the official datasheet nomenclature. Confirm the 'I' designation indicates the Industrial temperature range (-40°C to +85°C). Ensure the '6MX' suffix aligns with the specific VQFN-48 package variant listed in Microchip's official documentation before procurement.
Selection Notes
Select this component when a 48-pin footprint is required alongside 128 KB of program memory. It offers vertical migration compatibility within the AVR DA(S) family without code modification. Consider the PDID feature if hardware-level security against unauthorized debugging access is necessary for the application.
Part Context
This part belongs to the AVR128DA28/32/48/64(S) series, which utilizes the latest AVR CPU architecture with a hardware multiplier. The family emphasizes low-power operation and advanced digital peripherals. Devices in this series are designed for flexible integration into various embedded environments.
Replacement Considerations
AVR128DA48T-I/PT
FAQ
What is the maximum operating frequency of the AVR128DA48ST-I/6MX?
The device runs at up to 24 MHz using the High-Precision internal high-frequency Oscillator (OSCHF).
Does this microcontroller support capacitive touch sensing?
Yes, it integrates a Peripheral Touch Controller (PTC) with Driven Shield+ and Boost Mode technologies for buttons, sliders, and wheels.
How does the PDID feature enhance security?
PDID prevents access to the reprogrammable Flash memory over the UPDI interface, protecting against remote attacks and unauthorized code modification.
