Omega OMG-COMM8-PCI manual Card Setup, Clock Modes

Card Setup

Card Setup

Clock Modes

The OMG-COMM8-PCIemploys a unique clocking option that allows the end user to select from divide by 4 and divide by 1 clocking modes. This mode is selected at J1.

To select the Baud rates commonly associated with COM: ports (i.e. 2400, 4800, 9600, 19.2, … 115.2K Bps) place the jumper in the divide by 4 mode (silk-screen DIV4).

DIV1 DIV4

Figure 1 - Clocking Mode ‘Divide By 4’

To select the maximum data rate (460.8K bps) place the jumper in the divide by 1 (silk-screen DIV1) position.

DIV1 DIV4

Figure 2 - Clocking Mode ‘Divide By 1’

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