Dual UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support The SC16IS752 from NXP is a dual UART with I²C-bus/SPI interface, 64-byte FIFOs, and IrDA SIR built-in support.  

### **Key Specifications:**  
- **Interface:** I²C-bus (up to 3.4 Mbps) or SPI (up to 4 Mbps)  
- **UART Channels:** 2 independent channels  
- **FIFO Depth:** 64 bytes per channel (transmit and receive)  
- **Baud Rate:** Up to 5 Mbps  
- **Voltage Supply:** 2.5V to 3.6V  
- **Operating Temperature:** -40°C to +85°C  
- **Package Options:** TSSOP24, HVQFN32  

### **Features:**  
- **IrDA Support:** Serial Infrared (SIR) up to 115.2 kbps  
- **GPIOs:** 4 programmable pins per UART (total of 8 GPIOs)  
- **Auto Hardware & Software Flow Control** (RTS/CTS, XON/XOFF)  
- **Auto RS-485 Support** (with direction control)  
- **Low Power Modes:** Sleep and software-controlled power-down  
- **Industrial Temperature Range** (-40°C to +85°C)  

### **Applications:**  
- Industrial automation  
- Networking equipment  
- Point-of-sale (POS) terminals  
- Embedded systems requiring multiple UARTs  

The SC16IS752 is designed to reduce system cost and complexity by integrating dual UARTs with flexible host interfaces.

Dual UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support