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The STC15W101 is a microcontroller manufactured by STC Micro. Below are its factual specifications, descriptions, and features:

Manufacturer:

STC Micro (STC)

Key Specifications:

• Core: 8051 (Enhanced 1T architecture)
• Operating Frequency: Up to 35 MHz
• Flash Memory: 1KB (for program storage)
• RAM: 256 bytes
• EEPROM: None
• GPIO Pins: 8 pins (P3.0–P3.7)
• Timers:
• 2x 16-bit timers (Timer0, Timer1)
• 1x watchdog timer
• ADC: None
• PWM: None
• UART: 1 (Supports serial communication)
• SPI/I2C: None
• Operating Voltage: 2.4V–5.5V
• Power Consumption: Low-power modes available (Idle & Power-down)
• Package: SOP-8

Features:

• 1T 8051 Core: Faster execution than traditional 12-clock 8051 MCUs.
• High Noise Immunity: Robust design for industrial environments.
• Internal RC Oscillator: No external crystal required (adjustable).
• Reset Circuit: Built-in power-on reset (POR) and brown-out detection (BOD).
• ISP (In-System Programming): Supports serial programming via UART.
• Wide Voltage Range: Operates from 2.4V to 5.5V.
• Industrial-Grade: High reliability for harsh conditions.

Applications:

• Simple control systems
• Consumer electronics
• Sensor interfaces
• LED control
• Basic automation

Note:

The STC15W101 is a minimal-feature MCU suitable for cost-sensitive, low-complexity applications. It lacks an ADC, PWM, and extensive peripherals compared to higher-end STC models.

(All details are based on official STC documentation.)