Product Overview 1-39
Serial Ports
The USBCentric (Retail) and Serial Centric (Hospitality) I/O Boards provide different
serial port connectors. The serial ports are connected through a USB to dual UART
bridge IC (SiLabs CP2105).
The serial ports either have a Standard or Enhanced UART interface with the following
features:
Standard UARTInterface Enhanced UARTInterface
Data formats
supported: Data Bits
8 Data Bits 5, 6, 7, and 8 Data Bits
Data formats
supported: Stop Bits
1 Stop Bit 1, 1.5, and 2 Stop Bits
Parity Even, Odd, No Parity Odd, Even, Mark, Space, No
Parity
Baud Rates 2,400 bps to 921,600 bps 300 bps to 2.0 Mbps
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