TPUART2 

TPUART2 is the next generation of the TPUART chip. It is digitally compatible with its predecessor. Communication stacks and drivers can be used without modification.

Features
• Efficient stabilized power supply 5V or 3.3V with max. current 30mA (up to    50mA if the 20V power supply is not used.)
• Power supply 20V with max. current 25mA and current limiting function
• Signaling for standard UART
• Baud rate 9600 or 19200 baud:TP - UART >< Host - Controller
• Direct coupling to host controller (TxD, RxD)
• 2 - wire protocol with software handshake
• Buffering of send frames
• No critical timing during transmission
• 64 Byte send telegram buffer
• Supervision of KNX bus voltage
• Operating temperature range:-25°C to 85°C

• QFN36 package