The STC12LE5404AD-35I-SOP20 is a single-chip microcontroller (MCU) from STC Microcontroller. Based on an enhanced 8051 core, this device is engineered for low-power applications while offering sufficient processing capabilities. The SOP20 package indicates a 20-pin Small Outline Package.

Applications

• Low-power sensor networks
• Battery-operated devices
• Remote controls
• Wearable devices
• Simple industrial control systems

Features

• Enhanced 8051 core
• 4KB Flash memory
• 512 Bytes of SRAM
• Operating voltage: 2.4V - 3.6V
• Operating frequency: Up to 35MHz
• 16 Programmable I/O Pins
• Two 16-bit Timers/Counters
• Programmable Watchdog Timer (WDT)
• Power-down modes: Idle Mode and Power-down Mode
• UART serial communication interface
• SPI serial communication interface
• I2C serial communication interface
• 8-channel 10-bit ADC (Analog-to-Digital Converter)
• Low Voltage Reset (LVR)
• Low Voltage Detect (LVD)

Benefits

• Low Power Consumption: Specifically designed for low-power operation, extending battery life in portable devices.
• Adequate Memory: 4KB Flash and 512 Bytes of SRAM provide enough space for simple embedded applications.
• Versatile Communication: UART, SPI, and I2C interfaces enable communication with various peripherals.
• Flexible I/O: 16 programmable I/O pins accommodate different connectivity requirements.
• Reliable Operation: Watchdog timer and low voltage reset/detect ensure stable and predictable behavior.

Additional Details

The STC12LE5404AD microcontroller is a good choice for low-power applications that require some data processing and communication capabilities. The '35I' indicates a 35MHz maximum clock speed and an industrial temperature range. The SOP20 package is a surface mount package, ideal for small form-factor designs.