78Q2123 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Lista de partido

78Q2123

MicroPHY™ 10/100BASE-TX Transceiver

Unspecified 

78Q2123/78Q2133 MicroPHY™

10/100BASE-TX Transceiver

MR19: Transceiver Control

BIT

19.15:14

19.13:0

SYMBOL

TXO[1:0]

RSVD

TYPE DEFAULT DESCRIPTION

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

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

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