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Product Detailed Parameters
- Description：IC MCU 8BIT 64KB FLASH 32VQFN
- 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：27
- Program Memory Size：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：512 x 8
- RAM Size：8K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 14x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°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 AVR64DA32T-I/RXB is an 8-bit microcontroller from the AVR DA family, featuring a 32-pin VQFN package. It integrates 64 KB of Flash memory, 8 KB of SRAM, and 512 B of EEPROM. The device operates at a maximum frequency of 24 MHz with a supply voltage range of 1.8 V to 5.5 V. Key peripherals include one 12-bit ADC with 14 channels, three analog comparators, one 10-bit DAC, up to six USARTs, two SPI interfaces, and two TWI/I2C modules. It supports industrial temperature ranges from -40°C to +85°C.
Feature Summary
- Features a flexible low-power architecture with an Event System for CPU-independent inter-peripheral signaling.
- Includes intelligent analog features such as a Peripheral Touch Controller (PTC) and Zero-Cross Detectors (ZCD).
- Provides advanced digital peripherals including Configurable Custom Logic (CCL) and multiple timer/counter types.
- Supports secure firmware upgrades through Program and Debug Interface Disable (PDID) mechanisms.
Applications
- Industrial control systems requiring robust I/O and communication interfaces.
- Smart energy metering applications utilizing zero-cross detection and touch capabilities.
- Consumer appliances needing low-power operation and capacitive touch user interfaces.
- Embedded motor control designs leveraging optimized timer counters and analog comparators.
Procurement Notes
Verify the specific ordering suffix RXB confirms the VQFN32 package type and tape & reel carrier configuration. Ensure the 'I' designation matches the required industrial temperature range of -40°C to +85°C for your application environment. Confirm that the datasheet revision DS40002233C aligns with your design documentation requirements before finalizing procurement orders.
Selection Notes
Select this component when a balance of moderate pin count and extensive peripheral availability is required. It offers vertical migration compatibility within the AVR DA(S) family without code modification. Consider this part if your design benefits from the integrated PTC for touch sensing or requires multiple serial communication interfaces like USART and TWI in a compact form factor.
Part Context
This device belongs to the AVR® DA(S) family, which utilizes the latest Microchip technologies for flexible and low-power architectures. The family emphasizes vertical migration capabilities, allowing designers to scale pin counts while maintaining feature compatibility. The AVR64DA32 variant specifically targets applications needing 64 KB of program memory and 27 general-purpose I/O pins in a 32-pin package.
Replacement Considerations
AVR64DA32T-I/PT: TQFP-32 package alternative. AVR64DA32T-I/SS: SSOP-28 package alternative. AVR64DA32T-I/MR: VQFN64 package alternative. Verify pinout compatibility and thermal characteristics when substituting packages.
