VSC8641XKO Vitesse Semiconductor Corp, VSC8641XKO Datasheet - Page 47

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VSC8641XKO

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

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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Table 16.
4.2.9
Table 17.
Revision 4.3
August 2009
Auto-Negotiation LP Next Page Receive, Address 8 (0x08) (continued)
1000BASE-T Control
The VSC8641 device’s 1000BASE-T functionality is controlled by the bits in register 9 of
the main register space. The following table lists the settings and readouts available.
1000BASE-T Control, Address 9 (0x09)
Note Transmitter Test Mode (bits 15:13) operates in the manner described in IEEE
standard 802.3, section 40.6.1.1.2.
Bit
14
13
12
11
10:0
Bit
15:13
12
11
10
9
8
7:0
Name
Acknowledge
LP message page
LP Acknowledge 2
LP toggle
LP message /
unformatted code
Name
Transmitter
test mode
Master/slave
manual
configuration
Master/slave
value
Port type
1000BASE-T
FDX capability
1000BASE-T
HDX capability
Reserved
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Access
Description
000 = Normal.
001 = Mode 1: Transmit waveform test.
010 = Mode 2: Transmit jitter test as master.
011 = Mode 3: Transmit jitter test as slave.
100 = Mode 4: Transmitter distortion test.
101 to 111 = Reserved: Operation not defined.
1 = Master/slave manual configuration enabled.
This register is only valid when bit 9.12 is set to 1.
1 = Configure PHY as master during negotiation.
0 = Configure PHY as slave during negotiation.
1 = Multi-port device.
0 = Single-port device.
1 = PHY is 1000BASE-T FDX capable.
1 = PHY is 1000BASE-T HDX capable.
RO
RO
RO
RO
RO
Description
1 = LP acknowledge
1 = Message page
0 = Unformatted page
1 = LP complies with request
1 = Previous transmitted LCW = 0
0 = Previous transmitted LCW = 1
VSC8641 Datasheet
00000000000
Configuration
Default
Default
CMODE
CMODE
0
0
0
0
Page 47
0x00
000
0
0
0

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