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Product Detailed Parameters
- Description：16KB, RWW, 2KB RAM, 28P SPDIP, 8
- Series：AVR® EA
- Mfr：Microchip Technology
- Package：Tube
- 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; D/A 1x10b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Supplier Device Package：28-SPDIP
- Package / Case：28-DIP (0.300", 7.62mm)
- Grade：-
- Qualification：-
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Overview
The AVR16EA28-I/SP is an 8-bit microcontroller from the AVR EA 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 an industrial temperature range of -40°C to +85°C. It is housed in a 28-pin SPDIP package and provides 24 programmable I/O pins.
Feature Summary
- Features a flexible low-power architecture with Event System for CPU-independent inter-peripheral signaling
- Includes accurate analog subsystems such as a 12-bit differential ADC with PGA and a 10-bit DAC
- Supports advanced digital peripherals including Configurable Custom Logic (CCL) and multiple communication interfaces
Applications
- Real-time control systems
- Sensor nodes
- Secondary safety monitoring equipment
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 'I' suffix corresponds to the required industrial temperature range for your application environment.
Selection Notes
Select this component when vertical migration within the AVR EA family is required without code modification. Consider the 28-pin SPDIP package for through-hole mounting requirements. Evaluate the peripheral count against system needs, noting that higher pin counts in the family offer additional features.
Part Context
This part belongs to the AVR EA family, which shares pin and feature compatibility across different memory sizes. It utilizes the latest Microchip technologies for efficient real-time control. The family allows horizontal migration to reduce pin counts or vertical migration to increase memory while maintaining software compatibility.
Replacement Considerations
AVR16EA28-E/SP offers extended temperature range (-40°C to +125°C). AVR32EA28-I/SP and AVR64EA28-I/SP provide increased Flash and SRAM capacity with identical pinouts.
