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Product Detailed Parameters
- Description：16KB, 2KB SRAM, 24MHZ, USB, 10B
- Series：AVR® DU
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：AVR
- Core Size：8-Bit
- Speed：24MHz
- Connectivity：CANbus, I2C, IrDA, SMBus, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：24
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：256 x 8
- RAM Size：2K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 21x10b
- Oscillator Type：External, 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 AVR16DU32-I/PT is an 8-bit microcontroller from the AVR DU family, featuring a 16 KB Flash memory, 2 KB SRAM, and 256 bytes of EEPROM. It operates at clock speeds up to 24 MHz with a supply voltage range of 1.8 V to 5.5 V. The device includes a USB 2.0 full-speed interface, two USARTs, one SPI, and one TWI/I2C module. It provides up to 25 programmable GPIO pins in a TQFP-32 package.
Feature Summary
- Supports genuine read-while-write operation for Flash memory to enable continuous code execution during reprogramming.
- Integrates a USB 2.0 full-speed device interface with multipacket transfer capabilities for reduced software intervention.
- Includes Configurable Custom Logic (CCL) with four Look-up Tables for flexible digital peripheral implementation.
Applications
- USB-enabled embedded systems requiring firmware updates via bootloader
- Industrial control applications utilizing event-driven inter-peripheral signaling
- Low-power devices operating within industrial temperature ranges
Procurement Notes
Verify that the specific part number corresponds to the TQFP-32 package variant. Confirm the 'I' suffix indicates the industrial temperature range of -40°C to +85°C. Ensure compatibility with the UPDI programming interface requirements for your development tools.
Selection Notes
Select this component when a balance of moderate Flash capacity and integrated USB connectivity is required. It is suitable for designs needing multiple communication interfaces like USART and TWI alongside analog features such as a 10-bit ADC. Consider vertical migration within the AVR DU family if future pin or memory upgrades are anticipated without code modification.
Part Context
This device belongs to the AVR DU family, which shares architectural similarities with other members like the AVR32DU32. It utilizes the AVR CPU core with a hardware multiplier. The family emphasizes low power consumption and advanced digital peripherals, positioning it for cost-sensitive applications requiring robust security features like PDID.
Replacement Considerations
AVR32DU32-I/PT offers higher memory capacity while maintaining pin compatibility. AVR16DU20-I/SS provides a smaller SSOP-20 package option with reduced I/O count. Verify peripheral availability and memory size differences before substituting.
