VSC8641XKO Vitesse Semiconductor Corp, VSC8641XKO Datasheet - Page 69

• Manufacturer Part Number: VSC8641XKO
• Description: IC PHY 10/100/1000 100-LQFP
• Manufacturer: Vitesse Semiconductor Corp
• Type: PHY Transceiverr

Specifications of VSC8641XKO

• Number Of Drivers/receivers: 1/1
• Protocol: Gigabit Ethernet
• Voltage - Supply: 2.5V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Case: TQFP
• Dc: 07+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 907-1031

Table 50.
4.4.3
Table 51.
Revision 4.3
August 2009
Function
Advertise
asymmetric pause
Advertise
symmetric pause
CLKOUT enable
ActiPHY
LED combine/
separate
MAC resistor
calibration setting
LED3 control
Device Functions and Associated CMODE Pins (continued)
CMODE Resistor Values
To affect the VSC8641 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
VSS
VSS
VSS
VSS
VDD33
VDD33
VDD33
VDD33
Table 50,
CMODE
Pin
0
0
0
2
4
3
4
page 68, and connect the associated pin to the resistor specified in the
1 and 0
2 and 1
With 1%
Resistor
2.26 kΩ
4.02 kΩ
5.90 kΩ
8.25 kΩ
12.1 kΩ
16.9 kΩ
22.6 kΩ
2.26 kΩ
4.02 kΩ
5.90 kΩ
Bit
Value
1
0
2
2
0
0
0
Register, Bit
Register 17E,
Register 19E,
Register 16E,
Register 23,
Associated
Register 18,
Register 4,
Register 4,
bits 15:14
bits 15:12
bits 3:0
bit 11
bit 10
Bit 3 (MSB) to:
bit 0
bit 5
Set
0
0
0
0
0
0
0
0
1
1
1
1
Result
0 = Not advertised.
1 = Advertised.
0 = Not advertised.
1 = Advertised.
0 = Disabled.
1 = Enabled.
0 = Disabled.
1 = Enabled.
1 = Link, Link10, Link100, Link1000, Link10/100,
Link10/1000, and Link100/1000 LEDs blink or flash
when activity is present. Also, Duplex LED blinks or
flashes when collision is present.
0 = Link, Link10, Link100, Link1000, Link10/100,
Link10/1000, and Link100/1000 LEDs indicate status
only. Also, Duplex indicates duplex status only.
00 = 50 Ω.
01 = 60 Ω.
10 = 30 Ω.
11 = 45 Ω.
00 = Link10/Activity.
01 = Duplex/Collision.
Bit 2 to:
Set
0
0
0
0
1
1
1
1
0
0
0
0
Bit 1 to:
Set
0
0
1
1
0
0
1
1
0
0
1
1
Table 49,
VSC8641 Datasheet
Bit 0 (LSB) to:
Configuration
page 68 or
Set
0
1
0
1
0
1
0
1
0
1
0
1
Page 69