On-board 4xDIP switch S1 used for system and user settings.
Switch 1 ( S1A ) is used to connect the USB controller to the I2C IIC serial EEPROM:
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Zero-resistor R90 (not populated by default) may short this switch and connect EEPROM regardless of S1A position. |
Turn S1A off on when programming the USB EEPROM (storing the USB vendor ID and device ID). This
TE USB FX2 module is powered on when S1A is turned off: this will force the USB controller to provide its default (Cypress) vendor ID and device ID.
Switch 2 ( S1B ) is used to control DC-DC converters. When :
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Switches 3 ( S1C ) and 4 ( S1D ) can be used as user switches. Switches are active-low. Pull-up resistors should be defined in user constrains file (UCF) to use this switches in FPGA design. See Table 11 for details.the table below for details
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