ax88790 ASIX Electronics Corporation, ax88790 Datasheet - Page 26

• Manufacturer Part Number: ax88790
• Description: Pcmcia 10/100m Fast Ethernet Controller With Embedded Phy
• Manufacturer: ASIX Electronics Corporation

4.3.15 General Purpose Input Register (GPI) Offset 17H (Read)
4.3.16 GPO and Control (GPOC) Offset 17H (Write)
FIELD
FIELD
7:6
3:0
7
6
5
4
3
2
1
0
5
4
AX88790 L
I_LINK This register reflects internal PHY link status value. Logic one means link ok.
MPSET Media Set by Program: The signal is valid only when MPSEL is set to high.
MPSEL Media Priority Select :
NAME
NAME
I_DPX This register reflects internal PHY duplex status value. Logic one means full duplex.
I_SPD This register reflects internal PHY speed status value. Logic one means 100Mbps
GPI2
GPI1
GPI0
-
-
-
-
Reserved
This register reflects GPI[2] input value. May connect to external PHY speed status.
This register reflects GPI[1] input value. May connect to external PHY duplex status.
This register reflects GPI[0] input value. May connect to external PHY link status.
Reserved
Reserved
When MPSET is logic 0, internal PHY is selected.
When MPSET is logic 1, external MII PHY is selected.
MPSEL I_LINK
Reserved
0
0
0
0
1
1
1
0
0
X
3-in-1 PCMCIA Fast Ethernet Controller
GPI0
X
0
1
0
1
26
DESCRIPTION
DESCRIPTION
Media Selected
Depend on MPSET bit
Internal PHY
Internal PHY
External MII PHY
Internal PHY
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