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The STC15W408AS-35I-SOP20 is a microcontroller from STC Micro, featuring the following specifications, descriptions, and features:

Manufacturer:

STC Micro (STC)

Specifications:

• Core: 8051-compatible
• Operating Frequency: Up to 35 MHz
• Flash Memory: 8 KB
• RAM: 512 bytes
• EEPROM: 5 KB (simulated by Flash)
• GPIO Pins: 18 (SOP20 package)
• Timers: 2x 16-bit timers (Timer0, Timer1) + 1x additional timer (Timer2)
• ADC: 8-channel, 10-bit resolution
• PWM: 4-channel
• Communication Interfaces:
• UART
• SPI
• I²C (software-implemented)
• Operating Voltage: 2.4V – 5.5V
• Operating Temperature: -40°C to +85°C
• Package: SOP20

Descriptions:

The STC15W408AS-35I-SOP20 is a high-performance 8051-based microcontroller with enhanced features, including high-speed operation, low power consumption, and integrated peripherals. It is widely used in embedded control applications such as industrial automation, consumer electronics, and IoT devices.

Features:

• High-Speed 8051 Core: 1T instruction cycle (faster than traditional 8051)
• Low Power Modes: Supports idle and power-down modes
• On-Chip RC Oscillator: Adjustable frequency (5MHz – 35MHz)
• Watchdog Timer (WDT): Built-in for system reliability
• Reset Sources: Power-on reset, low-voltage detection, and external reset
• High Noise Immunity: Robust design for industrial environments
• ISP (In-System Programming): Supports serial programming via UART

This microcontroller is commonly used in cost-sensitive applications requiring high performance and integrated analog/digital peripherals.

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