Jumper Setting
Table 3-5. Jumper Setting Function (Continued)
Reference | Jumper | Function | ||
Setting | ||||
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| Disconnects AGND from DGND. | |
W11 |
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| Connects AGND and DGND together. | |
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| 1 | 3 | Positive supply rail of | |
W12 | 1 | 3 | Positive supply rail of | |
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| 2 | 4 6 | Routes the raw output of the DAC7741 to | |
| 1 | 3 5 |
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| 2 | 4 6 | Routes the output of U2 to | |
W13 |
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| modes of operation. | |
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| 1 | 3 5 |
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| 2 | 4 6 | Routes the output of U2 to | |
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| driving. | |
1 3 5
Disconnects exREFin from the negative input terminal of U2.
W14 |
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| Allows exREFin to be routed to the negative input terminal of U2 used for | |||
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| experimentation purposes only. | |
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W15 |
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| Disconnect the negative terminal of U2 to AGND and disable 2x gain. | |
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| Configures U2 for a 2⋅ gain output. | ||
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| RSTSEL pin is pulled high and configures the DAC to midscale when POR or reset is | |
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W16 |
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| initiated. | |
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| RSTSEL pin is pulled low and configures the DAC to minscale when POR or reset is | |||
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| initiated. | |
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| pin is pulled high and configures the DAC not to reset (default state). |
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| RST | |
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W17
RST pin is pulled low and holds the DAC to reset state.
Legend:
Indicates the corresponding pins that are shorted or closed.