VSC8211XVW Vitesse Semiconductor Corp, VSC8211XVW Datasheet - Page 76

• Manufacturer Part Number: VSC8211XVW
• Description: IC PHY 10/100/1000 SGL 117-LBGA
• Manufacturer: Vitesse Semiconductor Corp
• Type: PHY Transceiverr

Specifications of VSC8211XVW

• Number Of Drivers/receivers: 1/1
• Protocol: Gigabit Ethernet
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 117-LBGA
• Case: BGA
• Dc: 07+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 907-1023

22 PHY Operating Modes
The PHY Operating Mode is set according to the value of
Configuration Using CMODE Pins"
startup. The following table summarizes the PHY operating modes.
1
2
3
22.1 PHY Operating Mode Description
Most of the PHY Operating Modes listed in
standard modes are described below:
22.1.1 Auto Media Sense (AMS) Media Interface PHY Operating Modes
The VSC8211 can be configured for GMII/MII to AMS or RGMII to AMS Media Interface PHY Operating Modes. In these modes,
the PHY continuously tries to establish a link on both the CAT5 and Fiber medias. When a link is established on the preferred
media, the PHY turns off the non-preferred media interface.
VMDS-10105 Revision 4.1
October 2006
Parallel MAC
PHY Operat-
ing Modes
Serial MAC
PHY Operat-
ing Modes
In this mode the PHY does not drop the Fiber Media link if the CAT5 link comes up after the Fiber link has been established and therefore it is not a suitable mode
for unmanaged applications. For more information on how to use this mode in managed applications, contact you Vitesse Semiconductor representative.
PHY Registers are not supported in this mode.
In this mode, the PHY’s MAC and media interfaces are the same. Both interfaces can be either SGMII or 802.3z SerDes.
Operating
Category
Mode
23.15:12,2
0011, 10
0011, 01
0010, 01
0010, 10
0001, 10
0001, 01
0000, 01
0000, 10
0110, 00
0111, 01
0100, 00
0101, 01
1111, 00
1110, 01
1110, 10
1110, 00
1010, 01
1000, 01
1001, 01
1001, 00
1011, 00
Register
3.2:1
MII
1000
0010
0011
-
0110
0111
0001
-
1001
1011
1100
-
0100
1110
1010
0000
1111
0101
1101
CMODE2
[3:0]
and
GMII/MII
GMII
GMII/MII
GMII/MII
RGMII
RGMII
RGMII
RGMII
TBI
TBI
RTBI
RTBI
802.3z SerDes
802.3z SerDes
802.3z SerDes
802.3z SerDes
SGMII
SGMII
Serial
SGMII
SGMII
Section 20: "EEPROM Interface"
Interface
Table 29: “PHY Operating Modes”
MAC
Table 29. PHY Operating Modes
CAT5
Fiber
Auto Media Sense
Auto Media Sense
CAT5
Fiber
Auto Media Sense
Auto Media Sense
CAT5
Fiber
CAT5
Fiber
CAT5
CAT5
CAT5
CAT5
CAT5
CAT5
Serial
CAT5
CAT5
Media Interface
76 of 165
2
2
MII Register
for details on PHY Operating Mode configuration at
23.15:12,23.2:1. Refer to
are standard operating modes. Some of the non-
Fiber Preference
CAT5 Preference
Fiber Preference
CAT5 Preference
With Clause 37 Auto-Negotiation Detection
With Clause 37 Auto-Negotiation Detection
Clause 37 disabled
Clause 37 enabled
Clause 37 enabled, Media Convertor Mode
With Clause 37 Auto-Negotiation Detection
625Mhz SCLK Clock Disabled
625MHz SCLK Clock Enabled
Buffered Mode – With Clock Recovery
Modified Clause 37 auto-negotiation disabled,
625MHz SCLK Clock Enabled
Modified Clause 37 auto-negotiation disabled,
625MHz SCLK Clock Disabled
Other Settings
1
1
Section 19: "Hardware
Datasheet
VSC8211
3