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Product Detailed Parameters
- Description：IC MCU 8BIT 128KB FLASH 64TQFP
- Series：AVR® DB
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：55
- Program Memory Size：128KB (128K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：16K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 22x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-TQFP (10x10)
- Package / Case：64-TQFP
- Grade：-
- Qualification：-
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Overview
The AVR128DB64T-I/PT is an 8-bit microcontroller from the AVR DB family, featuring a 24 MHz AVR CPU with hardware multiplier. It includes 128 KB of Flash memory, 16 KB of SRAM, and 512 bytes of EEPROM. The device operates within a supply voltage range of 1.8V to 5.5V and supports industrial temperatures from -40°C to +85°C. It provides up to 55 programmable I/O pins in a 64-pin TQFP package.
Feature Summary
- Features Multi-Voltage I/O (MVIO) on Port C for flexible logic level interfacing.
- Includes advanced analog subsystems such as a 12-bit differential ADC and op amps.
- Supports CPU-independent inter-peripheral signaling via the Event System.
- Integrates Configurable Custom Logic (CCL) with Look-up Tables.
Applications
- Industrial control systems requiring robust analog signal conditioning
- Smart energy metering applications utilizing zero-cross detection
- Motor control designs leveraging optimized PWM timers
- General-purpose embedded processing with multi-voltage interface needs
Procurement Notes
Verify the specific suffix 'T' indicates tape-and-reel packaging rather than tray. Confirm the '-I' designation corresponds to the industrial temperature range (-40°C to +85°C). Ensure the datasheet version matches the required revision for accurate pinout and electrical specifications before finalizing procurement orders.
Selection Notes
Select this component when vertical migration within the AVR DB family is required without code modification. Choose this model over lower-memory variants if 128 KB Flash and 16 KB SRAM are necessary. Consider the 64-pin package only if the application requires the full complement of 55 I/O pins and multiple communication interfaces.
Part Context
This part belongs to the AVR128DB28/32/48/64 series, designed for low-power, high-performance applications. It shares architectural compatibility with other devices in the AVR DB family, allowing for horizontal or vertical migration based on pin count and memory requirements while maintaining software compatibility.
Replacement Considerations
AVR128DB64-I/PT serves as the non-tape-and-reel equivalent. Other AVR DB family members offer compatible cores but differ in memory size or pin count.
