78Q2120C09-CGTR/F Maxim Integrated Products, 78Q2120C09-CGTR/F Datasheet - Page 15

• Manufacturer Part Number: 78Q2120C09-CGTR/F
• Description: Telecom ICs 10-100 Fast Ethernet Transceiver Twisted
• Manufacturer: Maxim Integrated Products

Specifications of 78Q2120C09-CGTR/F

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MR5: Auto-Negotiation Link Partner Ability Register
MR6: Auto-Negotiation Expansion Register
Page: 15 of 35
5.12:5
6.15:5
5.4:0
5.15
5.14
5.13
BIT
BIT
6.4
6.3
6.2
6.1
6.0
SYMBOL TYPE DEFAULT DESCRIPTION
SYMBOL TYPE DEFAULT DESCRIPTION
LPANEG
LPNPA
RSVD
ACK
A7:0
S4:0
PDF
NPA
PRX
NP
RF
A
RC
RC
R
R
R
R
R
R
R
R
R
00h
0
0
0
0
0
0
0
0
0
0
©
Next Page: When ‘1’ is read, it indicates the link partner wishes to
engage in Next Page exchange.
Acknowledge:
successfully received at least 3 consecutive and consistent FLP
bursts.
Remote Fault: When ‘1’ is read, it indicates the link partner has a
fault.
Technology Ability Field: This field contains the technology ability of
the link partner. The bit definition is the same as MR4.12:5.
Selector Field: This field contains the type of message sent by the
link partner. For IEEE 802.3 compliant link partner, this field should
be ‘00001’.
Reserved
Parallel Detection Fault: When ‘1’ is read, it indicates that more than
one technology has been detected during link up. This bit is cleared
when read.
Link Partner Next Page Able: When ‘1’ is read, it indicates the link
partner supports the Next Page function.
Next Page Able: Reads ‘0’ since the 78Q2120C does not support
Next Page function.
Page Received: Reads ‘1’ when a new link code word has been
received into the Auto-Negotiation Link Partner Ability Register. This
bit is cleared upon read.
Link Partner Auto-Negotiation Able: When ‘1’ is read, it indicates the
link partner is able to participate in the Auto-Negotiation function.
2009 Teridian Semiconductor Corporation
When ‘1’ is read, it indicates the link partner has
10/100BASE-TX
Transceiver
78Q2120C
Rev 1.3