Texas Instruments ADS1278-SP, User Manual, Page: 4 / 32

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4 SBAU324 – September 2018
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ADS1278EVM-CVAL Evaluation Module User's Guide
Figure 2 and Table 3 show the factory default jumper and switch positions for the ADS1278EVM-CVAL.
Figure 2. ADS1278EVM-CVAL Default Jumper/Switch Positions
Table 3 lists the jumpers and switches and the factory default conditions.
Table 3. Default Jumper/Switch Configuration
Switch Default Position Switch Description
S1 All OFF (Up) Power-down channel DIP switches (hardware control).
S2 All OFF (Up) Mode, Format, and CLKDIV DIP switches (hardware control).
S3 INT (Left) On-board voltage reference selected.
S4 Header connected to converter (Left) Channel 4 header connected to converter (not buffered).
S5 Header connected to converter (Left) Channel 3 header connected to converter (not buffered).
S6 [1-2], [4-5], [7-8], [10-11](Right) Jumpers installed to select FS serial interface format.
S7 Header connected to converter (Left) Channel 2 header connected to converter (not buffered).
S8 Header connected to converter (Left) Channel 1 header connected to converter (not buffered).
Jumper Default Position Jumper Description
JP1 Open FSX NOT connected to SYNC/DRDY.
JP2 Short FSR connected to SYNC/DRDY.
JP3 Short Input buffer op-amps are powered-down.
JP4 Short Clock source selection using software control.
JP5 Short External clock source selected (invalid since using software control).