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Product Detailed Parameters
- Description：IC MCU 8BIT 64KB FLASH 32TQFP
- Series：AVR® DB
- 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：25
- 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 13x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-TQFP (7x7)
- Package / Case：32-TQFP
- Grade：-
- Qualification：-
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Overview
The AVR64DB32-I/PT is an 8-bit microcontroller from the AVR DB family, featuring a 32-pin TQFP package. It utilizes an AVR CPU with hardware multiplier running at up to 24 MHz. Memory includes 64 KB of self-programmable Flash, 8 KB of SRAM, and 512 bytes of EEPROM. The device supports a supply voltage range of 1.8 V to 5.5 V and operates within an industrial temperature range of -40°C to +85°C. Peripheral interfaces include USART, SPI, and TWI/I2C.
Feature Summary
- Multi-Voltage I/O (MVIO) capability on Port C allows flexible interface voltage selection.
- Configurable Custom Logic (CCL) provides programmable Look-up Tables for custom digital logic functions.
- Event System enables CPU-independent inter-peripheral signaling for predictable operation.
- Single pin Unified Program and Debug Interface (UPDI) simplifies programming and debugging.
Applications
- Analog signal conditioning
- Sensor applications
- IoT terminal nodes
Procurement Notes
Verify the specific ordering suffix 'I' confirms the industrial temperature range (-40°C to +85°C). Confirm the '/PT' suffix corresponds to the TQFP-32 package style. Ensure compatibility with the AVR DB family architecture before procurement. Cross-reference the datasheet DS40002300B for final electrical specifications.
Selection Notes
Select this component when vertical migration within the AVR DB family is required without code modification. Choose based on the need for 64 KB Flash and 8 KB SRAM in a 32-pin form factor. Consider the MVIO feature if mixed-voltage I/O levels are necessary. Verify that the 24 MHz maximum frequency meets system timing requirements.
Part Context
This part belongs to the AVR64DB28/32/48/64 subset of the broader AVR DB family. It shares architectural features with other members like the AVR64DB48 and AVR64DB64 but differs in pin count and peripheral availability. The device is designed for low-power applications requiring high performance and advanced analog subsystems.
Replacement Considerations
AVR64DB48-I/PT and AVR64DB64-I/MR offer higher pin counts and additional peripherals while maintaining software compatibility. For reduced pin counts, consider the AVR64DB28 variant. Ensure the replacement maintains the required memory size and package type constraints.
