VSC8641XKO Vitesse Semiconductor Corp, VSC8641XKO Datasheet - Page 64
VSC8641XKO
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
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4.3.9
Table 44.
4.3.10
4.3.11
Table 45.
Revision 4.3
August 2009
Extended PHY Control 4
The register at address 23E consists of the fourth set bits that control various aspects
of inline powering and the CRC error counter in the VSC8641 device.
Extended PHY Control 4, Address 23E (0x17)
Note Bits 9:8 are only valid if bit 10 is set.
Reserved Extended Registers
The bits in the extended register page space at addresses 24E, 25E, and 26E (0x18,
0x19, and 0x1A, respectively) are reserved.
Extended PHY Control 5
The following table lists the settings available.
Extended PHY Control 5, Address 27E (0x1B)
Bit
15:11
10
9:8
7:0
Bit
15
14
Name
HP Auto-MDIX in
forced 10/100
Reserved
Name
PHY address
Inline powered
device detection
Inline powered
device detection
status
CRC error counter
Access
Access
R/W
RO
R/W
RO
RO
RO
Description
This is a sticky bit.
1 = Disabled.
For more information about HP Auto-MDIX,
see
Detection,”
Description
PHY address; latched on reset.
This is a sticky bit.
1 = Enabled.
00 = Searching for devices.
01 = Device found; requires inline power.
10 = Device found; does not require
inline power.
11 = Reserved.
This is a self-clearing bit.
CRC error counter for the Ethernet packet
generator. The value saturates at 0xFF
and subsequently clears when read and
restarts count.
“Automatic Crossover and Polarity
page 24.
VSC8641 Datasheet
Configuration
Default
CMODE
Default
Page 64
0x00
00
0
1