Connect Tech Inc. FreeForm/Express S6 - PCIe
Serial
Description
A standard RS232 serial ports is provided on P4, with UART implementation provided by FPGA logic.
Connectors
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| RS232 |
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Locations |
| P4 |
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Type |
| 2x5 0.100” header |
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| Samtec |
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Pinout |
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| Pin | Signal | Pin | Signal |
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| 1 | N/C | 2 | N/C |
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| 3 | RXD1 | 4 | RTS1 |
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| 5 | TXD1 | 6 | CTS1 |
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| 7 | N/C | 8 | N/C |
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| 9 | GND | 10 | N/C |
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Power
Description
The FreeForm/Express S6 is designed to be powered from the PCIe bus. The board requires +3.3V DC for all circuitry. +12VDC is required for the FMC power good signal and as the FMC module’s power source. The FreeForm/Express S6 generates all other required power rails
In addition, a programming / desktop debugging standalone power connector P1 is provided.
WARNING: Do not plug the FreeForm/Express S6 into a PCIe slot with an external power source connected to P1. This could lead to board damage and void the product warranty.
Connectors & Jumpers
Function |
| Standalone power |
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Location |
| P1 |
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Type |
| 2x3 0.100” power header, shrouded |
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| Samtec |
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Pinout |
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| Pin | Signal | Description |
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| 1 | GND | Digital Ground |
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| 2 | GND | Digital Ground |
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| 3 | GND | Digital Ground |
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| 4 | +3.3V | +3.3V DC, used by circuitry and |
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| power regulators |
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| 5 | +3.3V | +3.3V DC, used by circuitry and |
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| power regulators |
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| 6 | +12V | +12V DC used by FMC module, |
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| and power good circuit |
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Revision 0.01 | 15 |
