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Product Detailed Parameters
- Description：64KB,8KB,64P,24 MHZ,PDID,12B ADC
- 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：54
- 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 22x12b SAR; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-TQFP (10x10)
- Package / Case：64-TQFP
- Grade：-
- Qualification：-
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Overview
The AVR64DA64ST-E/PT is an 8-bit microcontroller from the AVR DA series, manufactured by Microchip Technology. It features a 24 MHz maximum clock frequency and utilizes an SSOP-28 package. The device includes 64 kB of Flash program memory and 8 kB of SRAM data RAM. Key peripherals include a 12-bit ADC with 10 channels, three analog comparators, a 10-bit DAC, and six UART interfaces. Additional features comprise two SPI modules, TWI, and three zero-crossing detectors.
Feature Summary
- Integrates high-resolution 12-bit analog-to-digital conversion capabilities for precise signal acquisition.
- Provides multiple communication interfaces including USART, SPI, and TWI for versatile system connectivity.
- Includes dedicated zero-crossing detection hardware for efficient AC power monitoring applications.
Applications
- Smart metering and utility monitoring systems
- Industrial process control instrumentation
- Home automation controllers
Procurement Notes
Verify the specific suffix 'ST' against official Microchip documentation to confirm package type and temperature range, as standard listings may vary. Ensure compatibility with required operating conditions and interface configurations before finalizing procurement orders.
Selection Notes
Select this component when a compact 28-pin form factor is required alongside extensive peripheral counts. The combination of high-speed processing and rich analog/digital interfaces makes it suitable for cost-sensitive designs needing robust communication and sensing capabilities.
Part Context
This part belongs to the AVR DA family, which combines low-power performance with real-time control features. The series integrates independent core peripherals with smart analog subsystems, supporting both standalone operation and complex communication stack implementations in embedded applications.
Replacement Considerations
Consult Microchip's official cross-reference tools for verified substitutes. Consider variants within the AVR DA series such as AVR64DA32 or AVR64DA48 if pin count or memory requirements differ, ensuring functional equivalence in peripheral availability.
