
Contents
14
Datasheet 
Document Number: 249241
Revision Number: 007
Revision Date: August 28, 2003
200
Modified 
Table 83 “Control Register (Address 0)”
.
201
Modified 
Table 84 “Status Register (Address 1)”
.
204
Modified 
Table 87 “Auto-Negotiation Advertisement Register (Address 4)”
.
205
Modified 
Table 88 “Auto-Negotiation Link Partner Base Page Ability Register (Address 5)”
.
207
Modified 
Table 91 “Auto-Negotiation Link Partner Next Page Receive Register (Address 8)”
.
207
Modified 
Table 92 “Port Configuration Register (Address 16, Hex 10)”
.
209
Modified 
Table 93 “Quick Status Register (Address 17, Hex 11)”
.
211
Modified 
Table 94 “Interrupt Enable Register (Address 18, Hex 12)”
212
Modified 
Table 95 “Interrupt Status Register (Address 19, Hex 13)”
. Changed all references of RO/
SC to R/LH.
214
Modified 
Table 97 “Receive Error Count Register (Address 21, Hex 15)”
.
215
Modified 
Table 98 “RMII Out-of-Band Signaling Register (Address 25, Hex 19)”
. Added note to 
Register bit 25.0.
216
Modified 
Table 99 “Trim Enable Register (Address 27, Hex 1B)”
.
227
Modified 
Table 103 “Product Information”
.
Revision Number: 005
Revision Date: January 2002
Page
Description
1
Added bullet to Product Features
49
Modified Table 12 “Intel LXT9785/LXT9785E Miscellaneous Signal Descriptions”  (Added 
FIFOSEL1 and FIFOSEL0)
70
Added Section 2.6.1.6, “Reliable Link Establishment While Auto MDI/MDIX is Enabled in Forced 
Speed Mode”
109
Modified Figure 38 “Recommended Intel LXT9785/LXT9785E-to-3.3 V Fiber Transceiver 
Interface Circuitry”
110
Added Figure 39 “Recommended Intel LXT9785/LXT9785E-to-5 V Fiber Transceiver Interface 
Circuitry”
111
Added Figure 40 “ON Semiconductor Triple PECL-to-LVPECL Translator”
112
Modified Table 28 “Absolute Maximum Ratings” 
112
Modified Table 29 “Operating Conditions” 
114
Modified Table 31 “Digital I/O DC Electrical Characteristics (VCCIO = 3.3 V +/- 5%)”(Output low 
voltage SD pins - Max)
129
Modified Figure 53 “RMII - 100BASE-TX Receive Timing” and Table 49 “RMII - 100BASE-TX 
Receive Timing Parameters”
131
Modified Figure 55 “RMII - 100BASE-FX Receive Timing” and Table 51 “RMII - 100BASE-FX 
Receive Timing Parameters”
133
Modified Figure 57 “RMII - 10BASE-T Receive Timing” and Table 53 “RMII - 10BASE-T Receive 
Timing Parameters”
Revision Number: 006 (INTERNAL RELEASE)
Revision Date: June 10, 2003
Page
Description