Osmo-nvs-gps » History » Version 3
laforge, 02/19/2016 10:48 PM
| 1 | 3 | laforge | [[PageOutline]] |
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| 2 | 1 | laforge | = osmo-nvs-gps = |
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| 4 | This is a small evaluation board for the NVS NV08C-CSM integrated GPS, Galileo and Glonass receiver. |
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| 6 | It provides access to the two UARTS as well as SPI and I2C interface of the module, optional backup |
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| 7 | battery for avoiding cold-start on power-loss and a MCX socket for connecting the antenna. |
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| 8 | 2 | laforge | |
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| 10 | [[Image(osmo-nvs-gps.jpg, 50%)]] |
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| 11 | 3 | laforge | |
| 12 | == Schematics and component placement == |
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| 14 | The schematics and component placement files can be found attached to this page. |
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| 17 | == Part numbers == |
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| 19 | All capacitors, inductors and resistors are 0603 footprint, with the exception of C1 (0402). |
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| 21 | * MCX socket is a Tyco Electronics 1-1337581-0 |
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| 22 | * CR2032 battery holder is a MPD BA-2032 |
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| 23 | * The 2.5mm jacks are CP-2523SJCT |
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| 25 | == Jumpers == |
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| 27 | * J1 connects VBAT with VCC, i.e. should ''only'' be placed if you ''do not have a battery attached'' |
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| 28 | * J1 connects VIO with VCC. This is the case when VIO (Voltage for digital i/o) is ''not provided by an external circuit attached to X2 |
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| 29 | * JP4 is the power supply connector. Apply 3.8..6V regulated DC power to it. Center pin is positive, outer pins both GND |
