Interface
5.1 Physical Interface
5.1.1 Interface signals
Figure 5.1 shows the interface signals.
TX data |
| TX+ | TX+ |
| TX data |
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| − | TX− |
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| TX |
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RX data |
| RX+ | RX+ | Device | RX data |
| Host | ||||
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| analog |
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| analog |
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| front |
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| front |
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| − | − | end |
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ComWake | end | RX | RX |
| ComWake |
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ComInit |
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| +5VDC |
| ComReset |
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| GND |
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Figure 5.1 Interface signals
An explanation of each signal is provided below.
TX + / TX -
These signals are the outbound high speed differential signals that are connected to the serial ATA cable.
RX + / RX -
These signals are the inbound high speed differential signals that are connected to the serial ATA cable.
TxData
Serially encoded 10b data attached to the high speed serial differential line driver