Table 504: Expansion Register 10H: Cable Diagnostic Controls - Broadcom BCM5722 Programmer's Manual

Host programmer interface specification for the netxtreme and netlink family of highly integrated media access controllers
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Programmer's Guide
10/15/07
E
R
XPANSION
EGISTER
The following expansion registers are enabled by writing to
Reg_Addr = 17h)" on page 434
Bit
Field
15:3
Reserved
2
Natural Link
1
Cable Diag Begin
0
Cable Diag Mode
Natural Link
Setting bit 2 = 1, skips the Open and Shorts check when in Cable Diagnostic Mode.
Cable Diag Begin
Setting bit 1 =1, begins the Cable Diagnostic Algorithm when in Cable Diagnostic Mode.
Cable Diag Mode
Setting bit 0 = 1, enables Cable Diagnostic Mode. See
"Expansion Register 12h: Cable Diagnostic Lengths Channels 1/2" on page
Diagnostic Lengths Channels 3/4" on page
Document
5722-PG101-R
10
: C
D
H
ABLE
IAGNOSTIC
bits [11:0] = F10h, and read/write access is through register 15h.

Table 504: Expansion Register 10h: Cable Diagnostic Controls

Description
Write as 0000h, ignore on read.
• 1 = Skips checking of open/short.
• 0 = Enables checking of open/short.
• 1= Begins cable diagnostic algorithm.
• 0 = Cable diagnostic algorithm is not started.
• 1 = Cable diagnostic mode enabled.
• 0 = Cable diagnostic mode not enabled.
443, for more details.
Bro adco m Co rp or atio n
C
ONTROLS
"Expansion Register Access Register (PHY_ADDR = 0x1,
"Expansion Register 11h: Cable Diagnostic Results" on page
442, and
BCM5722
Init
Access
0000h
R/W
0
R/W
0
R/W
SC
0
R/W
"Expansion Register 13h: Cable
Transceiver Registers
Page 440
441,

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