VSC8601XKN Vitesse Semiconductor Corp, VSC8601XKN Datasheet - Page 65

• Manufacturer Part Number: VSC8601XKN
• Description: IC PHY 10/100/1000 64-EP-LQFP
• Manufacturer: Vitesse Semiconductor Corp
• Type: PHY Transceiverr

Specifications of VSC8601XKN

• Number Of Drivers/receivers: 1/1
• Protocol: Gigabit Ethernet
• Voltage - Supply: 2.5V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP Exposed Pad, 64-eLQFP, 64-HLQFP
• Case: TQFP
• Dc: 06+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 907-1028

4.4.2
Table 50.
4.4.3
Table 51.
Revision 4.1
September 2009
Function
PHY Address
[4:0]
Link speed
downshift
Speed and
duplex
RGMII clock
skew
Advertise
asymmetric
pause
Advertise
symmetric
pause
CLKOUT enable
ActiPHY
MAC resistor
calibration
setting
Functions and Related CMODE Pins
The following table lists the pin and bit settings according to the device function and
CMODE pin used to configure it.
Device Functions and Associated CMODE Pins
CMODE Resistor Values
To affect the VSC8601 device configuration, find the parameter in
in
following table. This sets the bits as shown.
CMODE Resistor Values and Resultant Bit Settings
With CMODE
Pin Tied To
VSS
VSS
VSS
VSS
Table 50,
CMODE
3 to 0
Pin
1
1
2
0
0
0
2
3
page 65, and connect the associated pin to the resistor specified in the
3 and 2
1 and 0
1 and 0
1 and 0
Bit
With 1%
2
1
0
2
2
Resistor
2.26 kΩ
4.02 kΩ
5.90 kΩ
Value
0
Register, Bit
Register 20E,
Register 19E,
bits 8:5 and
Register 23,
Associated
Register 23,
Register 18,
Register 4,
Register 9,
Register 4,
Register 4,
bits 15:14
bits 9:8
bit 11
bit 10
bit 4
bit 8
bit 0
bit 5
Bit 3 (MSB) to:
Set
0
0
0
0
Result
Sets the PHY address.
0 = Link only according to the auto-negotiation
resolution.
1 = Enable link speed downshift feature.
00 = 10/100/1000BASE-T FDX/HDX.
01 = 10/100/1000BASE-T FDX; 10/100BASE-T HDX.
10 = 1000BASE-T FDX only.
11 = 10/100BASE-T FDX/HDX.
00 = No skew on RX_CLK and TX_CLK.
01 = 1.4 ns skew on RX_CLK and TX_CLK.
10 = 1.7 ns skew on RX_CLK and TX_CLK.
11 = 2.0 ns skew on RX_CLK and TX_CLK.
0 = Not advertised.
1 = Advertised.
0 = Not advertised.
1 = Advertised.
0 = Disabled.
1 = Enabled.
0 = Disabled.
1 = Enabled.
00 = 50 Ω.
01 = 60 Ω.
10 = 30 Ω.
11 = 45 Ω.
Bit 2 to:
Set
0
0
0
0
Bit 1 to:
Set
0
0
1
1
Table 49,
VSC8601 Datasheet
Bit 0 (LSB) to:
Configuration
page 64 or
Set
0
1
0
1
Page 65