7Semi SC18IM704 UART to I2C Bus Bridge Breakout

The SC18IM704 breakout board allows UART-based microcontrollers to communicate with I2C devices. It acts as a protocol bridge, translating ASCII commands over UART into I2C transactions. This is ideal for embedded applications where I2C functionality is needed but only UART is available.

Technical Specifications:

• IC: SC18IM704
  
• UART Interface: Up to 460.8 kbps
  
• I2C Bus Speed: Up to 375 kHz
  
• TX/RX Buffer: 256 bytes each
  
• Operating Voltage: 1.71 V to 3.6 V
  
• I/O Voltage Tolerance: 5V
  
• GPIO: 8 programmable pins
  
• Package: TSSOP-16
  
• Temperature Range: –40 °C to +105 °C
  
• Board Type: Breakout module
  
• Mounting: Through-hole

Features:

• UART to I2C bridge using simple ASCII commands
  
• Fast UART and I2C speeds for high-performance communication
  
• Integrated 256-byte FIFOs for reliable data handling
  
• 8 programmable GPIOs for additional flexibility
  
• Compact breakout design for quick integration
• Supports 3.3V and 5V logic levels

Applications:

• Interfacing UART-only microcontrollers with I2C sensors
• Industrial and embedded communication bridging IoT device prototyping and development
  
• Data acquisition and control systems
  
• Educational projects involving protocol conversion