TEMPCOMPRTC-RD
6. TC-RTC Demonstration
The following step-by-step demonstration explains the various features and capabilities of this reference design.
There are two interfaces available for the RTC—UART and SMBus, which are demonstrated in sections 6.1 and
6.2, respectively.
6.1. UART Interface Demonstration
The TC-RTC Evaluation Board comes preloaded with firmware that enables the UART interface. The following
sections show how to set up and use this interface.
6.1.1. PC Software Setup
On the PC, set up HyperTerminal to use the COM port at 9600 baud, 8-N-1, and no flow control. Detailed
instructions to set this up are shown below.
1. Launch HyperTerminal from your Start Menu: Start Menu → Programs → Accessories → Communications →
HyperTerminal.
2. Type any name for the new connection, and click OK.
3. In the”Connect using:” drop-down list, Choose “COM1”, or if you have multiple COM ports, choose the one you
want to use.
4. Set up the COM1 Properties dialog as shown in Figure 3, and click OK.
5. Select “File → Properties → Settings → ASCII Setup”. Check the box marked “Echo typed characters locally”, and
click OK. See Figure 4.
Figure 3. HyperTerminal Settings
4
Rev. 0.1
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