78Q2120C09-CGTR/F Maxim Integrated Products, 78Q2120C09-CGTR/F Datasheet - Page 19

• 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

MR19: Transceiver Control
MR20: Reserved
MR21: Reserved
MR22: Reserved
Page: 19 of 35
19.15:12
19.11:10
20.15:0
21.15:0
22.15:0
19.9:0
BIT
BIT
BIT
BIT
SYMBOL
SYMBOL
Reserved
SYMBOL
Reserved
SYMBOL
Reserved
TXO[1:0]
RSVD
RSVD
TYPE
TYPE
TYPE
TYPE
R/W
na
na
na
R
R
DEFAULT DESCRIPTION
DEFAULT DESCRIPTION
DEFAULT DESCRIPTION
DEFAULT DESCRIPTION
XXXXh
XXXXh
XXXXh
XXXh
0100
01
©
2009 Teridian Semiconductor Corporation
Reserved
Transmit Amplitude Selection: Sets the transmit output amplitude
to account for transmit transformer insertion loss.
00 : Gain set for 0.0dB of insertion loss
01 : Gain set for 0.4dB of insertion loss
10 : Gain set for 0.8dB of insertion loss
11 : Gain set for 1.2dB of insertion loss
Reserved
Reserved
Reserved
Reserved
10/100BASE-TX
Transceiver
78Q2120C
Rev 1.3