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DM9010BI Datasheet(PDF) 38 Page - Davicom Semiconductor, Inc. |
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DM9010BI Datasheet(HTML) 38 Page - Davicom Semiconductor, Inc. |
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38 / 60 page  DM9010BI Industrial-temperature Single Chip Ethernet Controller with General Processor Interface Preliminary 38 Version: DM9010BI--DS-P01 January 12, 2010 8.10 10BASE-T Configuration/Status (10BTCSR) - 18 Bit Bit Name Default Description 18.15 Reserved 0, RO Reserved Read as 0, ignore on write 18.14 LP_EN 1, RW Link Pulse Enable 1 = Transmission of link pulses enabled 0 = Link pulses disabled, good link condition forced This bit is valid only in 10Mbps operation 18.13 HBE 1,RW Heartbeat Enable 1 = Heartbeat function enabled 0 = Heartbeat function disabled When the DM9010BI is configured for full duplex operation, this bit will be ignored (the collision/heartbeat function is invalid in full duplex mode) 18.12 SQUELCH 1, RW Squelch Enable 1 = Normal squelch 0 = Low squelch 18.11 JABEN 1, RW Jabber Enable Enables or disables the Jabber function when the DM9010BI is in 10BASE-T full duplex or 10BASE-T transceiver Loopback mode 1 = Jabber function enabled 0 = Jabber function disabled 18.10 Reserved 0, RW Reserved Force to 0, in application. 18.9-18.1 Reserved 0, RO Reserved Read as 0, ignore on write 18.0 POLR 0, RO Polarity Reversed When this bit is set to 1, it indicates that the 10Mbps cable polarity is reversed. This bit is automatically set and cleared by 10BASE-T module 8.11 Power Down Control Register (PWDOR) - 19 Bit Bit Name Default Description 19.15-19.9 Reserved 0, RO Reserved Read as 0, ignore on write 19.8 PD10DRV 0, RW Vendor power down control test 19.7 PD100DL 0, RW Vendor power down control test 19.6 PDchip 0, RW Vendor power down control test 19.5 PDcom 0, RW Vendor power down control test 19.4 PDaeq 0, RW Vendor power down control test 19.3 PDdrv 0, RW Vendor power down control test 19.2 PDedi 0, RW Vendor power down control test 19.1 PDedo 0, RW Vendor power down control test 19.0 PD10 0, RW Vendor power down control test * When selected, the power down value is control by Register 20.0 |
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