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Product Detailed Parameters
- Description：16KB RWW,2KB RAM,20MHZ,12-BIT AD
- Series：AVR® EB
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：20MHz
- Connectivity：I2C, IrDA, SMBus, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：23
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：512 x 8
- RAM Size：2K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 20x12b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：28-SSOP
- Package / Case：28-SSOP (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The AVR16EB28T-E/SS is an 8-bit microcontroller from the AVR EB Family, featuring a 20 MHz AVR CPU with hardware multiplier. It includes 16 KB of Flash memory with read-while-write capability, 2 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 extended temperature ranges from -40°C to +125°C. It provides up to 24 general-purpose I/O pins in a 28-pin SSOP package.
Feature Summary
- Features a flexible low-power architecture with an Event System for CPU-independent inter-peripheral signaling.
- Includes accurate analog subsystems such as a 12-bit differential ADC with programmable gain amplifier and two analog comparators.
- Supports advanced digital peripherals including multiple timer/counters, configurable custom logic, and a single-pin UPDI interface.
Applications
- Industrial control systems requiring robust analog signal conditioning
- Battery-powered devices utilizing low-power sleep modes
- Applications needing high-precision internal oscillator auto-tuning
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature rating. Ensure compatibility with existing design constraints regarding pin count and peripheral availability. Cross-reference datasheet revisions to confirm feature stability before finalizing procurement specifications.
Selection Notes
Select this component for designs requiring vertical migration within the AVR EB family without code modification. Consider the 28-pin variant when higher I/O counts are necessary compared to the 14 or 20-pin options. Evaluate the extended temperature range suitability for harsh operating environments.
Part Context
This part belongs to the AVR16EB14/20/28/32 series, which shares identical core architecture and memory sizes across different pin counts. Devices in this family offer horizontal migration capabilities by reducing pin counts while maintaining software compatibility.
Replacement Considerations
AVR16EB28T-I/SS (Industrial Temperature Range)
FAQ
Does the AVR16EB28 support read-while-write operations?
Yes, the 16 KB Flash memory supports true read-while-write operation, allowing code execution during programming.
What is the maximum clock frequency for this device?
The AVR CPU runs at clock speeds up to 20 MHz.
