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Cortina Systems LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
LXT9785/LXT9785E
Datasheet
249241, Revision 11.0
16 April 2007
Revision History
121
Section 4.3.7, “MDIO Management Interface”:
Added note under second paragraph.
Added last paragraph.
123
Added note under Section 4.3.8, “MII Sectionalization”.
124
Added new Section 4.3.11, “FIFO Initial Fill Values”
125
Modified paragraph three under Section 4.4.1, “Power Requirements”.
127
Added notes under second and last paragraphs under Section 4.5.3, “Power-Down Mode”.
128
Modified last bullet under Section 4.5.3.1, “Global (Hardware) Power Down”.
128
Added last paragraph to Section 4.5.4, “Reset”.
129
Modified Table 42 “Cortina Systems LXT9785/LXT9785E Global Hardware Configuration Settings”.
130
Change heading and modified last line under Section 4.6.1.2, “Manual Next Page Exchange”.
130
Section 4.6.1.4, “Link Criteria”:
Changed scrambler to descrambler in first line.
Modified second paragraph.
Added two new paragraphs.
131
Added second paragraph under Section 4.6.1.5, “Parallel Detection”.
131
Modified paragraphs under Section 4.6.1.6, “Reliable Link Establishment While Auto MDI/MDIX is Enabled in
Forced Speed Mode”.
136
Changed “1110” to “0101” under Section 4.7.4.3, “Receive Error”.
141
Added note under first paragraph of Section 4.8, “RMII Operation”
148
Changed “asynchronously” to “synchronously” in second paragraph under Section 4.9.3.3, “Carrier Sense/Data
Valid (RMII)”.
148
Modified last sentence in first paragraph under Section 4.9.3.4, “Carrier Sense (SMII)”.
149
Modified paragraph under Section 4.9.3.6.3, “Polarity Correction”.
149
Added note under Section 4.9.3.7, “Fiber PMD Sublayer”.
149
Added second paragraph under Section 4.9.3.7.1, “Far End Fault Indications”.
150
Modified/added text under Section 4.10.1, “Preamble Handling”.
151
Modified text under Section 4.10.4, “Jabber”.
152
Modified first paragraph under Section 4.11, “DTE Discovery Process”.
153
Modified Item 1 of Section 4.11.2, “Interaction between Processor, MAC, and PHY”.
154
Modified second paragraph under Section 4.11.4, “DTE Discovery Process Flow”.
155
Added Section 4.11.5, “DTE Discovery Behavior”
157
Added BGA15 information into first paragraph under Section 4.12.2, “Per-Port LED Driver Functions”.
158
Added last sentence to first paragraph and note under first paragraph under Section 4.12.3, “Out-of-Band
Signaling”.
160
Added Section 4.13, “Cable Diagnostics Overview”.
161
Modified/added text under Section 4.13.3, “Implementation Considerations”.
162
Added Section 4.14, “Link Hold-Off Overview”.
173
Modified Table 52 “Cortina Systems LXT9785/LXT9785E Operating Conditions”
176
Modified Table 58 “Cortina Systems LXT9785/LXT9785E 100BASE-FX Transceiver Characteristics”
Revision Number: 007
Revision Date: August 28, 2003
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