Mdi State; Datasheet - Intel IXF1104 Datasheet

Figure 22. MDI State

Datasheet

Document Number: 278757
Revision Number: 009
Revision Date: 27-Oct-2005
®
Intel IXF1104 4-Port Gigabit Ethernet Media Access Controller
Idle
Go = 1
Cnt > 32
Preamble
Cnt = 32
Cnt > 2
Start Bits
Cnt = 2
Cnt > 2
Op Code
Cnt = 2
Cnt > 5
Phy Addr
Cnt = 5
Cnt > 5
Reg Addr
Cnt = 5
Cnt > 2
Turn Around
Cnt = 2
Data
Cnt > 16
or (Cnt = 16 and
Go = 0)
Cnt = 16 And Go = 1
MDOE = 0
MDO = 0
MDC_EN = 0
Cnt < 32
MDOE = 1
MDO = 1
MDC_EN = 1
Cnt < 2
MDOE = 1
MDO = Reg_Bit_St(Cnt)
MDC_EN = 1
Cnt < 2
MDOE = 1
MDO = Reg_Bit_Op(Cnt)
MDC_EN = 0
Cnt < 5
MDOE = 1
MDO = Reg_Bit_PA(Cnt)
MDC_EN = 1
Cnt < 5
MDOE = 1
MDO = Reg_Bit_RA(Cnt)
MDC_EN = 1
Cnt < 2
MDOE = Wr_Op
MDO = Reg_Bit_WO(Cnt)
MDC_EN = 1
Cnt < 16
MDOE = Wr_Op
MDO = Data(Cnt)
MDC_EN = 1
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