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參數資料
| 型號： | WJLXT972MLC.A4 |
| 廠商： | CORTINA SYSTEMS INC |
| 元件分類： | 網絡接口 |
| 英文描述： | DATACOM, ETHERNET TRANSCEIVER, PQFP48 |
| 封裝： | ROHS COMPLIANT, LQFP-48 |
| 文件頁數： | 26/92頁 |
| 文件大小： | 1257K |
| 代理商： | WJLXT972MLC.A4 |
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Intel
LXT972M Single-Port 10/100 Mbps PHY Transceiver
32
Datasheet
Document Number: 302875-005
Revision Date: 27-Oct-2005
During a software reset, bit settings in Table 45, “Auto-Negotiation Advertisement Register -
Address 4, Hex 4” on page 79 are not re-read from the LXT972M Transceiver configuration
pins. Instead, the bit settings revert to the values that were read in during the last hardware
reset. Therefore, any changes to pin values made since the last hardware reset are not detected
during a software reset.
During a software reset, registers are available for reading. To see when the LXT972M
Transceiver has completed reset, the reset bit can be polled (that is, Register bit 0.15 = 0).
For pin settings used during a hardware reset, see Section 5.4.4, “Hardware Configuration
Settings”. During a hardware reset, configuration settings for auto-negotiation and speed are read
in from pins, and register information is unavailable for 1 ms after de-assertion of the reset.
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