Table 533: Hcd Status Register (Phy_Addr = 0X1, Reg_Addr = 1Dh, Bit 15 = 1) - Broadcom BCM5722 Programmer's Manual

BCM5722
HCD S R
TATUS EGISTER

Table 533: HCD Status Register (PHY_Addr = 0x1, Reg_Addr = 1Dh, Bit 15 = 1)

Bit Field
15 Enable Shadow
Register
14:12 Reserved
11 HCD 1000BASE-T
FDX
10 HCD 1000BASE-T
9 HCD 100BASE-T FDX • 1 = 100BASE-TX Full-duplex occurred since last read.
8 HCD 100BASE-T
7 HCD 10BASE-T FDX
6 HCD 10BASE-T
5 HCD 1000BASE-T
FDX
(Link never came up)
4 HCD 1000BASE-T
(Link never came up)
3 HCD 100BASE-T FDX
(Link never came up)
2 HCD 100BASE-T
(Link never came up)
1 HCD 10BASE-T FDX
(Link never came up)
0 HCD 10BASE-T
(Link never came up)
Page 479 Transceiver Registers
(PHY_A = 0 1, R
DDR X
Description
• 1 = Select Shadow register.
• 0 = Normal operation.
Write as 000, Ignore when read.
• 1 = Gigabit Full-duplex occurred since last read.
• 0 = HCD Cleared.
• 1 = Gigabit Half-duplex occurred since last read.
• 0 = HCD Cleared.
• 0 = HCD Cleared.
• 1 = 100BASE-TX Half-duplex occurred since last read.
• 0 = HCD Cleared.
• 1 = 10 BASE-T Full-duplex occurred since last read.
• 0 = HCD Cleared.
• 1 = 10 BASE-T Half-duplex occurred since last read.
• 0 = HCD Cleared.
• 1 = Gigabit Full-duplex HCD and Link never came up
occurred since last read.
• 0 = HCD Cleared.
• 1 = Gigabit Half-duplex HCD and Link never came up
occurred since last read.
• 0 = HCD Cleared.
• 1 = 100BASE-TX Full-duplex HCD and Link never
came up occurred since last read.
• 0 = HCD Cleared.
• 1 = 100BASE-TX Half-duplex HCD and Link never
came up occurred since last read.
• 0 = HCD Cleared.
• 1 = 10BASE-T Full-duplex HCD and Link never came
up occurred since last read Full-duplex.
• 0 = HCD Cleared.
• 1 = 10BASE-T Half-duplex HCD and Link never came
up occurred since last read.
• 0 = HCD Cleared.
Bro adco m C orp or atio n
_A = 1D , B
EG DDR H
Programmer's Guide
10/15/07
15 = 1)
IT
Init Access
0 R/W
00 R/W
0 RO
LH
0 RO
0 RO
LH
0 RO
LH
0 RO
LH
0 RO
LH
0 RO
LH
0 RO
LH
0 RO
LH
0 RO
LH
0 RO
LH
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