VSC8221 datasheet(135/138 Pages) MICROSEMI

135 / 138 page

VSC8221

Data Sheet

VMDS-10106 Revision 4.1

December 2006

135 of 138

138

4.0

(continued)

May 02, 05

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in the description of the connector loopback, the information about connecting the PHY

to a loopback connector or loopback cable. For more information, see Section 17.5,

“Connector Loopback” on page 17-52.

Deleted information about the device SGMii-to-100BASE-FX operation (was page 60 in

the previous version of the datasheet).

Deleted information about the device’s iEEE 802.3 Clause 28 and 37 Remote Fault

indication support (was page 61 in the previous version of the datasheet).

Added information to the description of the device mode control register. For more

information, see Section 23.2.1, “Register 0 (00h) – Mode Control Register” on page

23-67.

Added information to the description of the device mode status register. For more

information, see Section 23.2.2, “Register 1 (01h) – Mode Status Register” on page 23-

69.

Changed information associated with the reset value of the device identification register

#2. For more information, see Section 23.2.4, “Register 3 (03h) – PHY identifier

Changed the information associated with certain reset values in the device PHY control

Control Register #2” on page 23-87.

Changed the information associated with the reset value in the device LED control

Changed the information associated with the enhanced ActiPHY mode enable bit in the

device auxilliary control and status register. For more information, see Section 23.2.29,

“Register 28 (1Ch) – Auxiliary Control and Status Register” on page 23-94.

information on the SiGDET pin direction when the device is operating in serial MAC-to-

CAT-5 media and Fiber media modes was changed. For more information, see Section

23.3.4, “Register 19E (13h) - SerDes Control # 2” on page 23-99.

The reset value for bits 8 and 4 in the Extended PHY control register #3 were changed.

For more information, see Section 23.3.5, “Register 20E (14h) - Extended PHY Control

The specification for ESD according to the Machine Model (VESD(MM)) was deleted

from the Electrical Specifications section.

information about the ESD sensitivity of the device was added. For more information,

see Section 24.1, “Absolute Maximum Ratings” on page 24-107.

The device operating temperature specification was changed. For more information,

see Section 24.2, “Recommended Operating Conditions” on page 24-107.

Added qualifying description to estimates of current and power consumption. For more

information, see Section 24.5, “Current and Power Consumption Estimates” on page

24-109.

Changed the power consumption specification for the device with VDDiO at 3.3V, in

SerDes-to-Cat-5 mode, FD, 1518-byte randmom data packet, 100% utilization; and

with SCLK, SFT and regulator off. For more information, see Table 39, “VDDiO at 3.3 V,

SerDes-Cat-5, SCLK Disabled,” on page 109.

Changed the power consumption specification for the device with VDDiO at 3.3V, in

SGMii-to-Cat-5 mode (1000 Mbps), FD, 1518-byte randmom data packet, 100%

utilization; and with SCLK, SFT and regulator off. For more information, see Table 40,

“VDDiO at 3.3 V, SGMii-Cat-5 (1000 Mbps), SCLK Disabled,” on page 110.

(continues)

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