Professional IC Distribution & Technical Solutions

The STC15W401AS-35C-SOP16 is a microcontroller manufactured by STC Microelectronics. Below are its factual specifications, descriptions, and features:

Manufacturer:

STC Microelectronics

Key Specifications:

• Core: 8051 (Enhanced 1T architecture)
• Operating Frequency: Up to 35 MHz
• Flash Memory: 4 KB
• SRAM: 256 bytes
• EEPROM: 1 KB (optional)
• Package: SOP16 (Small Outline Package, 16 pins)
• Operating Voltage: 2.4V – 5.5V
• I/O Pins: 14 (GPIO)
• Timers: 2 x 16-bit timers
• ADC: None
• PWM: 2 channels
• UART: 1
• SPI: None
• I²C: None
• Watchdog Timer: Yes
• Power Consumption: Low-power modes supported
• Operating Temperature: -40°C to +85°C

Features:

• High-Speed 1T 8051 Core: Executes most instructions in a single clock cycle.
• Wide Voltage Range: Supports 2.4V to 5.5V operation.
• On-Chip RC Oscillator: Eliminates the need for an external crystal (adjustable).
• Enhanced GPIO: Supports push-pull, open-drain, and quasi-bidirectional modes.
• Hardware Watchdog Timer: Improves system reliability.
• Low EMI Design: Reduces electromagnetic interference.
• In-System Programming (ISP): Supports firmware updates via UART.

Applications:

• Consumer electronics
• Industrial control
• Smart home devices
• Small embedded systems

This microcontroller is designed for cost-sensitive applications requiring moderate processing power and low power consumption.