Professional IC Distribution & Technical Solutions

The BS86D20A-3 is a microcontroller manufactured by HOLTEK in the SOP28 package. Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: HOLTEK
• Package: SOP28 (28-pin Small Outline Package)
• Core: 8-bit microcontroller
• Operating Voltage: 2.2V to 5.5V
• Program Memory (Flash): 2K x 14 bits
• RAM: 128 bytes
• EEPROM: 64 bytes
• I/O Pins: Up to 22 programmable I/O pins
• Timers: 1 x 8-bit timer, 1 x 16-bit timer
• ADC: 8-channel, 12-bit resolution
• Communication Interfaces: UART, SPI, I²C (varies by model)
• Operating Temperature Range: -40°C to +85°C
• Oscillator Options: Internal RC oscillator, external crystal

Descriptions:

• The BS86D20A-3 is a cost-effective 8-bit microcontroller designed for embedded control applications.
• It features low power consumption, making it suitable for battery-powered devices.
• Includes built-in ADC for sensor interfacing and analog signal processing.
• Supports multiple communication protocols for peripheral connectivity.

Features:

• Low-power operation modes (HALT, IDLE)
• Watchdog Timer (WDT) for system reliability
• Built-in brown-out reset (BOR)
• High noise immunity for industrial environments
• Multiple interrupt sources for real-time control
• Development support via HOLTEK’s HT-IDE3000

This microcontroller is commonly used in consumer electronics, home appliances, and industrial control systems. For exact pin configurations and application notes, refer to the official HOLTEK datasheet.