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Product Detailed Parameters
- Description：64KB,8KB,32P,24 MHZ,PDID,12B ADC
- Series：AVR® DA
- Mfr：Microchip Technology
- Package：Tray
- 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：26
- 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 SAR; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount, Wettable Flank
- Supplier Device Package：32-VQFN (5x5)
- Package / Case：32-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The AVR64DA32S-I/QZB is an 8-bit microcontroller from the AVR DA series, featuring a QFN-32 package. It integrates 64 kB of Flash program memory and 8 kB of SRAM data RAM. The device operates with a maximum clock frequency of 24 MHz and supports a supply voltage range of 1.8 V to 5.5 V. Key peripherals include a 12-bit ADC, three comparators, a Programmable Thermistor Comparator (PTC), three Zero-Crossing Detectors (ZCD), and a DAC. Communication interfaces consist of UART, SPI, and TWI modules.
Feature Summary
- Supports multi-voltage operation across a wide input range for flexible power design
- Integrates dedicated hardware for sensor interfacing including PTC and ZCD
- Provides multiple communication protocols for system connectivity
Applications
- Industrial control systems requiring real-time processing
- Smart home appliances with multi-voltage requirements
- IoT devices utilizing sensor inputs and wireless communication
Procurement Notes
Verify the specific suffix 'I' indicates industrial temperature range compliance and 'QZB' denotes the VQFN package variant. Confirm RoHS status through official Microchip documentation prior to integration. Ensure pinout compatibility with existing PCB layouts due to the QFN-32 form factor. Cross-reference datasheet revisions for any peripheral configuration updates.
Selection Notes
Select this model when 64 kB of non-volatile storage and 8 kB of RAM are required within a compact 32-pin footprint. The inclusion of analog peripherals like the 12-bit ADC and comparators makes it suitable for mixed-signal applications. Consider the 24 MHz performance ceiling against system timing requirements. Evaluate the I/O count availability against interface needs.
Part Context
This component belongs to the AVR64DA family, which shares architectural similarities with other members like the AVR64DA64 and AVR64DA28. These devices utilize the same AVR CPU core and peripheral set but differ in memory size and pin count. The DA series represents a modern evolution in Microchip's 8-bit MCU portfolio, focusing on enhanced analog capabilities and security features.
Replacement Considerations
AVR64DA64-I/QZB offers identical functionality with increased memory capacity in the same package. AVR64DA28 variants provide similar features but with reduced I/O counts and different packaging. Verify pin-to-pin compatibility before substituting with older AVR families.
