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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 48VFQFN
- Series：AVR® DD
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：20MHz
- Connectivity：I2C, IrDA, SMBus, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：41
- Program Memory Size：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：256 x 8
- RAM Size：4K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 28x12b; D/A 1x10b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-VQFN (6x6)
- Package / Case：48-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The AVR32EA48T-I/6LX is an 8-bit microcontroller from the AVR EA series, featuring a 32 KB Flash program memory with Read-While-Write (RWW) capability and 4 KB SRAM. It operates at a maximum clock frequency of 20 MHz and includes a 12-bit ADC with PGA, two comparators, and a DAC. The device supports multiple communication interfaces including SPI, TWI, and USART. It is housed in a 48-pin VQFN package and functions within a supply voltage range of 1.8 V to 5.5 V across an industrial temperature range.
Feature Summary
- Integrates a high-performance 8-bit AVR CPU core with hardware multiplication support for efficient instruction execution.
- Provides non-volatile data storage flexibility through Read-While-Write (RWW) flash memory capabilities.
- Includes analog signal processing features such as a programmable gain amplifier (PGA) and precision comparators.
Applications
- Industrial control systems requiring robust analog input handling
- Battery-powered devices utilizing low-voltage operation
- Embedded applications needing simultaneous code execution and data logging
Procurement Notes
Verify the specific suffix '6LX' corresponds to the VQFN48 package variant when sourcing. Confirm that the '-I' designation matches the required industrial temperature range specifications for your application environment. Ensure compatibility with existing PCB footprints designed for this specific pin count and package dimensions.
Selection Notes
Select this component when a balance of moderate memory capacity and rich analog peripherals is required. It is suitable for designs needing I/O expansion via the 48-pin form factor without moving to larger packages. Consider the 20 MHz speed limit against processing requirements before choosing over higher-frequency AVR variants.
Part Context
This part belongs to the AVR EA family, which emphasizes energy efficiency and integrated analog features. It shares architectural similarities with other AVR EA models but differs in memory size and pin configuration. The T suffix indicates tape and reel packaging, distinguishing it from tray-packaged equivalents.
Replacement Considerations
AVR32EA48-I/PT offers identical electrical specifications but uses a TQFP-48 package instead of VQFN48. AVR32EA48T-E/6LX provides the same functionality with an extended commercial temperature range. Verify pinout compatibility if substituting between package types.
