Professional IC Distribution & Technical Solutions

The STC15W201S-35I is a microcontroller manufactured by STC Micro. Below are its key specifications, descriptions, and features:

Manufacturer:

• STC Micro (a Chinese microcontroller manufacturer specializing in 8051-compatible MCUs).

Specifications:

• Core: Enhanced 8051 core (1T architecture, 12 times faster than traditional 8051).
• Operating Frequency: Up to 35 MHz (maximum clock speed).
• Flash Memory: 2 KB (for program storage).
• RAM: 256 bytes (internal data memory).
• EEPROM: 1 KB (for data storage).
• GPIO Pins: 14 (configurable as input/output).
• Timers:
• 2 × 16-bit timers (Timer0, Timer1).
• 1 × watchdog timer.
• Communication Interfaces:
• UART (serial communication).
• SPI (Serial Peripheral Interface).
• ADC: None (this model does not include an ADC).
• PWM: None (this model does not include PWM outputs).
• Operating Voltage: 3.3V – 5.5V (wide voltage range).
• Operating Temperature: -40°C to +85°C (industrial-grade).
• Package: SOP-16 (Small Outline Package, 16 pins).

Descriptions & Features:

• High-Speed 1T 8051 Core: Executes most instructions in a single clock cycle.
• Low Power Consumption: Supports multiple power-saving modes (Idle, Power-down).
• High Noise Immunity: Robust design for industrial environments.
• On-Chip RC Oscillator: Eliminates the need for an external crystal (adjustable frequency).
• ISP (In-System Programming): Supports firmware updates via serial port.
• IAP (In-Application Programming): Allows self-programming of Flash memory.
• Watchdog Timer (WDT): Prevents system lockups.
• Strong ESD Protection: Up to 4KV (electrostatic discharge protection).

Applications:

• Home appliances.
• Industrial control systems.
• Sensor interfaces.
• Simple embedded systems.

This microcontroller is designed for cost-sensitive, low-complexity applications requiring reliable 8051-compatible performance.