Gibson MM516, Руководство пользователя

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MM516
User's Manual
18
Revision 1.4 7-8-2011
Hardware Description Manual
5 Interfaces
5.1 UART Interface
This is a standard UART interface for communicating with other serial devices.
BlueCore 5 chip UART interface provides a simple mechanism for communicating with other serial devices using
the RS232 protocol.
Figure 4 Universal Asynchronous Receiver/Transmitter
Four signals are used to implement the UART function, as shown in Figure 4. When BlueCore 5 chip is
connected to another digital device, UART_RX and UART_TX transfer data between the two devices. The remaining
two signals, UART_CTS and UART_RTS, can be used to implement RS232 hardware flow control where both are
active low indicators. All UART connections are implemented using CMOS technology and have signalling levels of
0V and VDD_USB.
UART configuration parameters, such as data rate and packet format, are set using BlueCore 5 chip software.
Note:
In order to communicate with the UART at its maximum data rate using a standard PC, an accelerated serial
port adapter card is required for the PC.