LSI Specification | MB86617A |
8.2. Physical register #00 (read)
Physical Register#00 is the register that indicates Physical ID, root status, and cable power st atus of this node.
phy/ |
| Bit | Bit | Bit | Bit | Bit | Bit | Bit | Bit | Bit | Bit | Bit |
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link- | R/W |
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15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 |
| 4 | 3 | 2 | 1 | 0 | ||
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00 h | R | - | - | - | - | - | - | - | - |
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Initial value | ‘0’ | ‘0’ | ‘0’ | ‘0’ | ‘0’ | ‘0’ | ‘0’ | ‘0’ |
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| ‘0’ | ‘0’ | ||
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ョDescription of Each Bit
BIT | Bit name | Action | Value | Function | |
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15 – 8 | Reserved | Read | 0 | Always indicate ‘0’. | |
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7 – 2 | Physical_ID | Read | - | Indicate node No. of this node determined by Self- identify during processing bus | |
reset. (MSB : 7 , LSB : 2) | |||||
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| Effective after completion of bus reset. | |
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| 0 | Indicates that this node is not root. | |
1 | R | Read |
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1 | Indicates that this node is root. | ||||
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| 0 | Indicates that the supplied cable power is below specification. | |
0 | PS | Read |
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1 | Indicates that the supplied cable power is over specification. | ||||
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Rev.1.0 | 83 | Fujitsu VLSI |
