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Board Components
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Table 3.1 The configuration of the logic level on the HSPROTO_IO BUS
Configuration of J8
Logic level of the HSPROTO_IO BUS
Short pins 1 and 2
2.5 volts
Short pins 2 and 3
3.3 volts
Table 3.2 The configuration of the logic level on the PROTO_IO BUS
Configuration of J9
Logic level of the PROTO_IO BUS
Short pins 1 and 2
3.3 volts
Short pins 2 and 3
5 volts
1-7
Santa Cruz Connector
This section describes the Santa Cruz connector on the THDB-H2S board
The THDB-H2S board comes with Santa Cruz connectors (J3, J4 and J5) to connect to a daughter board with
Santa Cruz interface. Figure 3.5 shows the pin-outs of the Santa Cruz connector. Detailed pin mappings
between J3, J4, and J5 to the HSMC connector is listed in Table 3.3, Table 3.4, and Table 3.5, respectively.
Figure 3.5 Santa Cruz connector pin-outs