Broadcom BCM5722 - Table 533: HCD Status Register (Phy_Addr = 0 X1, Reg_Addr = 1 Dh, Bit 15 = 1)

BCM5722 Programmer’s Guide
10/15/07
Broadcom Corporation
Page 479 Transceiver Registers Document 5722-PG101-R
HCD STATUS REGISTER (PHY_ADDR = 0X1, REG_ADDR = 1DH, BIT 15 = 1)
Table 533: HCD Status Register (PHY_Addr = 0x1, Reg_Addr = 1Dh, Bit 15 = 1)
Bit Field Description Init Access
15 Enable Shadow
Register
• 1 = Select Shadow register.
• 0 = Normal operation.
0R/W
14:12 Reserved Write as 000, Ignore when read. 00 R/W
11 HCD 1000BASE-T
FDX
• 1 = Gigabit Full-duplex occurred since last read.
• 0 = HCD Cleared.
0RO
LH
10 HCD 1000BASE-T
• 1 = Gigabit Half-duplex occurred since last read.
• 0 = HCD Cleared.
0RO
9 HCD 100BASE-T FDX
• 1 = 100BASE-TX Full-duplex occurred since last read.
• 0 = HCD Cleared.
0RO
LH
8 HCD 100BASE-T
• 1 = 100BASE-TX Half-duplex occurred since last read.
• 0 = HCD Cleared.
0RO
LH
7 HCD 10BASE-T FDX
• 1 = 10 BASE-T Full-duplex occurred since last read.
• 0 = HCD Cleared.
0RO
LH
6 HCD 10BASE-T
• 1 = 10 BASE-T Half-duplex occurred since last read.
• 0 = HCD Cleared.
5 HCD 1000BASE-T
FDX
(Link never came up)
• 1 = Gigabit Full-duplex HCD and Link never came up
occurred since last read.
• 0 = HCD Cleared.
0RO
LH
4 HCD 1000BASE-T
(Link never came up)
• 1 = Gigabit Half-duplex HCD and Link never came up
occurred since last read.
• 0 = HCD Cleared.
0RO
LH
3 HCD 100BASE-T FDX
(Link never came up)
• 1 = 100BASE-TX Full-duplex HCD and Link never
came up occurred since last read.
• 0 = HCD Cleared.
0RO
LH
2 HCD 100BASE-T
(Link never came up)
• 1 = 100BASE-TX Half-duplex HCD and Link never
came up occurred since last read.
• 0 = HCD Cleared.
0RO
LH
1 HCD 10BASE-T FDX
(Link never came up)
• 1 = 10BASE-T Full-duplex HCD and Link never came
up occurred since last read Full-duplex.
• 0 = HCD Cleared.
0RO
LH
0 HCD 10BASE-T
(Link never came up)
• 1 = 10BASE-T Half-duplex HCD and Link never came
up occurred since last read.
• 0 = HCD Cleared.
0RO
LH