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STE10 数据表(PDF) 32 Page - STMicroelectronics |
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STE10 数据表(HTML) 32 Page - STMicroelectronics |
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32 / 66 page ![]() STE10/100 32/66 11 PDEN Power down mode control. 1: transceiver power-down mode is selected. In this mode, the STE10/100 transceivers are turned off. 0 R/W 10 --- reserved 0 RO 9 RSAN Re-Start Auto-Negotiation process control. 1: Auto-negotiation process will be restarted. This bit will be cleared by STE10/100 after the Auto-negotiation has restarted. 0 R/W 8 DPSEL Full/Half duplex mode select. 1: full duplex mode is selected. This bit will be ignored if Auto- Negotiation is enabled (ANEN, XR0 bit 12). 0 R/W 7 COLEN Collision test control. 1: collision test is enabled. 0 R/W 6~0 --- reserved 0 RO R/W = Read/Write able. RO = Read Only. XR1(offset = b8h) - XSR, XCVR Status Register. All the bits of this register are read only. 15 T4 100BASE-T4 ability. Always 0, since STE10/100 has no T4 ability. 0RO 14 TXFD 100BASE-TX full duplex ability. Always 1, since STE10/100 has 100BASE-TX full duplex ability. 1RO 13 TXHD 100BASE-TX half duplex ability. Always 1, since STE10/100 has 100BASE-TX half duplex ability. 1RO 12 10FD 10BASE-T full duplex ability. Always 1, since STE10/100 has 10Base-T full duplex ability. 1RO 11 10HD 10BASE-T half duplex ability. Always 1, since STE10/100 has 10Base-T half duplex ability. 1RO 10~6 --- reserved 0 RO 5 ANC Auto-Negotiation Completed. 0: Auto-Negotiation process incomplete. 1: Auto-Negotiation process complete. 0RO 4 RF Result of remote fault detection. 0: no remote fault condition detected. 1: remote fault condition detected. 0 RO/LH* 3 AN Auto-Negotiation ability. Always 1, since STE10/100 has Auto-negotiation ability. 1RO 2 LINK Link status. 0: a link failure condition occurred. Readin clears this bit. 1: valid link established. 0 RO/LL* 1 JAB Jabber detection. 1: jabber condition detected (10Base-T only). 0 RO/LH* Table 8. Transceiver registers Descriptions Bit # Name Descriptions Default Val RW Type |
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