Getting Started | 1 |
55-Pin Backplane Connector Pin Configuration
The
GND | GND | GND | GND | GND |
| GND | GND | GND | GND |
| GND | GND |
| F |
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NC | NC | NC | NC | NC |
| NC | NC | NC | VBUS |
| GND | USB_D– |
| E |
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GND | TRIG3 | GND | TRIG2 | GND |
| TRIG1 | GND | TRIG0 | GND |
| GND | USB_D+ |
| D |
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TRIG4 | GND | TRIG5 | GND | TRIG6 |
| GND | TRIG7 | GND | +12 V |
| +12 V | GND |
| C |
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nBPUB | CLK10M | GND | STAR_TRIG | GA2 |
| GA1 | GA0 | NC | +12 V |
| +12 V | +12 V |
| B |
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NC | NC | NC | NC | NC |
| NC | NC | NC | +12 V |
| +12 V | +12 V |
| A |
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11 | 10 | 9 | 8 |
| 7 |
| 6 | 5 | 4 | 3 |
| 2 | 1 |
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| Figure |
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| Table |
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| description |
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| SSI timing signal |
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| Functionality |
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| GND |
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| Ground |
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| NC |
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| Not connected |
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| VBUS |
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| USB bus power sensing input |
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| USB_D+, USB_D– |
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| USB differential pair |
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| TRIG0~TRIG7 |
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| Trigger bus |
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| +12 V |
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| +12 V power with 4 A current |
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| nBPUB |
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| USB backplane input detect |
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| CLK10M |
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| 10 MHz clock source |
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| STAR_TRIG |
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| Star trigger |
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| GA0,GA1,GA2 |
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| Geographical address pin |
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U2761A User’s Guide | 23 |