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RC32012A Evaluation Kit Manual
Note: In order to set GPIO9 to "High", the switch for GPIO9 must be set either to the "+" (high) position or the
center position.
Before proceeding to communicate to the ClockMatrix device using the Timing Commander GUI, two I2C
connection methods are introduced:
1. Using the on-board FTDI circuit – The evaluation board has on-board FTDI circuitry to translate Timing
Commander access activities from USB to the I2C port of the ClockMatrix device. This is to connect the PC to
the board through the Type-B connector.
2. Using FTDI dongle (C232HM-DDHSL-0 cable) – The dongle has the same FTDI circuit as this board built in it
(see
Figure
6). The benefit of using this dongle is to connect to the customer's board and still enjoy the
debugging capabilities that Timing Commander has to offer.
R31UH0010EU0102 Rev.1.02
Apr 20, 2022
Figure 5. Board Setting for Default Operation
Page 7
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