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ST802RT1B 数据表(PDF) 35 Page - STMicroelectronics |
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ST802RT1B 数据表(HTML) 35 Page - STMicroelectronics |
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35 / 58 page  ST802RT1A, ST802RT1B Registers and descriptors description Doc ID 17049 Rev 1 35/58 Table 28. RN1E [0d30, 0x1E]: Auxiliary PHY register Bit Bit name Description Default RW Type Type 15 HCD 100base-Tx FDX 1 -> AN 100Base-TX full-duplex selected 0 -> AN 100Base-TX full-duplex not selected 0RO - 14 HCD 100BASE-T4 1 -> AN 100Base-T4 selected (not supported) 0 -> AN 100Base-T4 not selected Internally fixed to '0' 0RO - 13 HCD 100base-TX HDX 1 -> AN 100Base-TX half-duplex selected 0 -> AN 100Base-TX half-duplex not selected 0RO - 12 HCD 10BASE-T FDX 1 -> AN 10Base-T full-duplex selected 0 -> AN 10Base-T full-duplex not selected 0RO - 11 HCD 10BASE-T HDX 1 -> AN 10Base-T half-duplex selected 0 -> AN 10Base-T half-duplex not selected 0RO - 10:9 RESERVED --- 00b RO P 8 Auto-Negotiation restart 1 -> Restarts auto-negotiation process (ignored if auto- negotiation is disabled) 0 -> Normal operation Self-cleared after 21MHz-clock periods (auto-negotiation is started). Same as RN00_CNTRL[9] 0RW SC 7 Auto-Negotiation complete 1 -> Auto-negotiation process completed 0 -> Auto-negotiation process not completed Active only if auto-negotiation is enabled, else 0 Same as RN19_AUXSS[15] and RN01_STATS[5] 0RO - 6 Auto-Negotiation Acknowledge Complete 1 -> AN ack completed 0 -> AN ack not yet completed Held high until tx is disabled or auto-negotiation is restarted 0RO - 5 Auto-Negotiation Acknowledge 1 -> AN first ack received 0 -> AN first ack not yet received Held high until tx is disabled or auto-negotiation is restarted 0RO - 4 Auto-Negotiation Ability 1 -> Auto-negotiation in ability detect state 0 -> Auto-negotiation not in ability detect state Same as RN19_AUXSS[12] 0RO - 3 Super Isolate SUPER ISOLATE: 1 -> MII and RX isolated 0 -> Normal operation All MII inputs are ignored, all MII outputs are tri-stated, no link pulses generated. Same effect setting to 1 both RN00[10] and RN13[5]. 0RW - 2 RESERVED --- 0 RO P 1:0 RESERVED --- 00b RW - |
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