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Product Detailed Parameters
- Description：IC MCU 8BIT 64KB FLASH 48TQFP
- 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：40
- 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 18x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-TQFP (7x7)
- Package / Case：48-TQFP
- Grade：-
- Qualification：-
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Overview
The AVR64DB48-I/PT is an 8-bit microcontroller from the AVR DB family, featuring a hardware multiplier CPU running at up to 24 MHz. It includes 64 KB of Flash memory, 8 KB of SRAM, and 512 bytes of EEPROM. The device operates within a supply voltage range of 1.8 V to 5.5 V and supports an industrial temperature range of -40°C to +85°C. It is housed in a 48-pin TQFP package with 41 general-purpose I/O pins.
Feature Summary
- Features Multi-Voltage I/O (MVIO) on Port C for flexible voltage threshold selection.
- Includes advanced analog subsystems such as a 12-bit differential ADC, three op amps, and zero-cross detectors.
- Supports CPU-independent inter-peripheral signaling via the Event System.
- Provides Configurable Custom Logic (CCL) with programmable Look-up Tables.
Applications
- Real-time control systems
- Sensor nodes
- Secondary safety monitoring
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing design constraints before procurement. Confirm that the component meets all required environmental and electrical specifications for the intended application environment.
Selection Notes
Select this model for applications requiring high pin counts and advanced analog capabilities within a compact 48-pin footprint. Consider vertical migration within the AVR DB family for future scalability without code modification. Evaluate the need for MVIO features if interfacing with mixed-voltage peripherals.
Part Context
This component belongs to the AVR DB microcontroller family, which emphasizes low-power architecture and flexible peripheral integration. The family offers horizontal and vertical migration paths, allowing designers to scale pin counts and memory sizes while maintaining software compatibility across devices.
Replacement Considerations
AVR64DB32-I/PT
FAQ
What is the maximum operating frequency of the AVR64DB48-I/PT?
The AVR CPU runs at clock speeds up to 24 MHz.
Does the AVR64DB48-I/PT support simultaneous host and client operation on TWI?
Yes, the TWI interface can operate simultaneously as a host and client on different pins.
