![Figure 22. MDI State](/images/new-backgrounds/102532/102532201x1.webp)
IXF1104
Figure 22. MDI State
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| MDOE = 0 | |
Idle |
| MDO = 0 | |
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| MDC_EN = 0 | |
Go = 1 |
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Cnt > 32 | Cnt < 32 |
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Preamble | MDOE = 1 | ||
| MDO = 1 | ||
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| MDC_EN = 1 | |
Cnt = 32 |
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Cnt > 2 | Cnt < 2 |
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Start Bits | MDOE = 1 | ||
| MDO = Reg_Bit_St(Cnt) | ||
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| MDC_EN = 1 | |
Cnt = 2 |
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Cnt > 2 | Cnt < 2 |
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Op Code | MDOE = 1 | ||
| MDO = Reg_Bit_Op(Cnt) | ||
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| MDC_EN = 0 | |
Cnt = 2 |
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Cnt > 5 | Cnt < 5 |
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Phy Addr | MDOE = 1 | ||
| MDO = Reg_Bit_PA(Cnt) | ||
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| MDC_EN = 1 | |
Cnt = 5 |
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Cnt > 5 | Cnt < 5 |
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Reg Addr | MDOE = 1 | ||
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| MDO = Reg_Bit_RA(Cnt) | ||
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| MDC_EN = 1 | |
Cnt = 5 |
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Cnt > 2 | Cnt < 2 |
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Turn Around |
| MDOE = Wr_Op | |
| MDO = Reg_Bit_WO(Cnt) | ||
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| MDC_EN = 1 | |
Cnt = 2 |
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| Cnt < 16 |
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Data |
| MDOE = Wr_Op | |
| MDO = Data(Cnt) | ||
Cnt > 16 |
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| MDC_EN = 1 | ||
or (Cnt = 16 and |
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Go = 0) |
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Cnt = 16 And Go = 1 |
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Datasheet | 101 |
Document Number: 278757
Revision Number: 007
Revision Date: March 25, 2004