78Q2123/78Q2133 MicroPHY™
10/100BASE-TX Transceiver
MR19: Transceiver Control
BIT
SYMBOL TYPE DEFAULT DESCRIPTION
19.15:14 TXO[1:0]
R/W
01
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
19.13:0
RSVD
R
XXXh
Reserved.
MR20: Reserved
BIT
SYMBOL TYPE DEFAULT DESCRIPTION
20.15:0 Reserved
NA
XXXXh
Reserved: must be 0000h.
MR21: Reserved
BIT
SYMBOL TYPE DEFAULT DESCRIPTION
21.15:0 Reserved
NA
XXXXh
Reserved: must be 0000h.
MR22: Reserved
BIT
SYMBOL TYPE DEFAULT DESCRIPTION
22.15:0 Reserved
NA
XXXXh
Reserved: must be 0000h.
Page: 20 of 42
© 2009 Teridian Semiconductor Corporation
Rev 1.5
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
