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LAN8710A-EZC 데이터시트(PDF) 52 Page - SMSC Corporation |
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LAN8710A-EZC 데이터시트(HTML) 52 Page - SMSC Corporation |
52 / 82 page Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology Datasheet Revision 1.4 (08-23-12) 52 SMSC LAN8710A/LAN8710Ai DATASHEET 4.2.1 Basic Control Register Note 4.1 The default value of this bit is determined by the MODE[2:0] configuration straps. Refer to Section 3.7.2, "MODE[2:0]: Mode Configuration," on page 36 for additional information. Index (In Decimal): 0 Size: 16 bits BITS DESCRIPTION TYPE DEFAULT 15 Soft Reset 1 = software reset. Bit is self-clearing. When setting this bit do not set other bits in this register. The configuration (as described in Section 3.7.2, "MODE[2:0]: Mode Configuration," on page 36) is set from the register bit values, and not from the mode pins. R/W SC 0b 14 Loopback 0 = normal operation 1 = loopback mode R/W 0b 13 Speed Select 0 = 10Mbps 1 = 100Mbps Note: Ignored if Auto-negotiation is enabled (0.12 = 1). R/W Note 4.1 12 Auto-Negotiation Enable 0 = disable auto-negotiate process 1 = enable auto-negotiate process (overrides 0.13 and 0.8) R/W Note 4.1 11 Power Down 0 = normal operation 1 = General power down mode Note: The Auto-Negotiation Enable must be cleared before setting the Power Down. R/W 0b 10 Isolate 0 = normal operation 1 = electrical isolation of PHY from the MII/RMII R/W 0b 9 Restart Auto-Negotiate 0 = normal operation 1 = restart auto-negotiate process Note: Bit is self-clearing. R/W SC 0b 8 Duplex Mode 0 = half duplex 1 = full duplex Note: Ignored if Auto-Negotiation is enabled (0.12 = 1). R/W Note 4.1 7 Collision Test 0 = disable COL test 1 = enable COL test R/W 0b 6:0 RESERVED RO - |
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