SLXT973QCA3V 856775 Intel, SLXT973QCA3V 856775 Datasheet - Page 62
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SLXT973QCA3V 856775
Manufacturer Part Number
SLXT973QCA3V 856775
Description
Manufacturer
Intel
Datasheet
1.SLXT973QCA3V_856775.pdf
(88 pages)
Specifications of SLXT973QCA3V 856775
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LXT973 10/100 Mbps Dual-Port Fast Ethernet PHY Transceiver
62
Table 17. Control Register (Address 0)
1. Refer to
2. During a hardware reset, all LHR information is latched in from the pins. During a software reset (Register
3. LHR = Latched on Hardware Reset. Register bits 0.12, 0.13 and 0.8 are initialized based on the pin
4. The Isolate function (Register bit 0.10) tri-states all port MAC interface outputs. On the input side, TXEN
0.5:0
0.15
0.14
0.13
0.12
0.10
0.11
0.9
0.8
0.7
0.6
Bit
bit 0.15), the LHR information is not re-read from the pins. This information reverts back to the information
that was read in during the hardware reset. During a hardware reset, register information is unavailable for
1 ms after de-assertion of the reset. During a software reset (Register bit 0.15) the registers are available
for reading. The reset bit should be polled to see when the part has completed reset.
configuration value.
and TXER are ignored.
RESET
Loopback
Speed Selection
(LSB)
Auto-Negotiation
Enable
Power-Down
Isolate
Restart
Auto-Negotiation
Duplex Mode
Collision Test
Speed Selection
(MSB)
Reserved
Table 16 on page 61
Name
for Register Bit Descriptions.
1 = PHY reset
0 = Normal operation
1 = Enable loopback mode
0 = Disable loopback mode
0.6
1 = Enable Auto-Negotiation Process
0 = Disable Auto-Negotiation Process
1 = Power-Down
0 = Normal operation
1 = Electrically isolate PHY from MII
0 = normal operation
1 = Restart Auto-Negotiation Process
0 = Normal operation
1 = Full-duplex
0 = Half-duplex
1 = Enable COL signal test
0 = Disable COL signal test
0.6
Write as 0, ignore on Read
1
1
0
0
1
1
0
0
0.13
0.13
1 = Reserved
0 = 1000 Mbps (not allowed)
1 = 100 Mbps
0 = 10 Mbps
1 = Reserved
0 = 1000 Mbps (not allowed)
1 = 100 Mbps
0 = 10 Mbps
Description
Type
Rev. Date: March 1, 2002
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
AC
AC
Document #: 249426
1,2
Revision #: 002
Datasheet
Default
000000
Note 2
Note 3
Note 3
Note 4
Note 3
LHR
LHR
LHR
00
0
0
0
0
0
0
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