Intel(r) 82552V Fast Ethernet PHY Datasheet
Intel(r) 82552V Fast Ethernet PHY Datasheet
Intel(r) 82552V Fast Ethernet PHY Datasheet
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<strong>82552V</strong> <strong>Fast</strong> <strong>Ethernet</strong> <strong>PHY</strong>—<strong>Datasheet</strong><br />
9:8 LED_LINK10<br />
7:6 LED_LINK100<br />
Mode R/W LED “Off” means LED pin output equals high.<br />
HW Rst 00<br />
LED “On” means LED pin output equals low.<br />
00 = Normal<br />
SW Rst Retain<br />
01 = Blink<br />
10 = LED Off<br />
11 = LED On<br />
Mode R/W LED “Off” means LED pin output equals high.<br />
LED “On” means LED pin output equals low.<br />
HW Rst 00 00 = Normal<br />
01 = Blink<br />
10 = LED Off<br />
SW Rst Retain 11 = LED On<br />
Mode<br />
R/W<br />
5:4 Reserved<br />
HW Rst 00<br />
Reserved<br />
3:2 LED_RX<br />
SW Rst Retain<br />
Mode R/W<br />
HW Rst 00<br />
SW Rst Retain<br />
LED “Off” means LED pin output equals high.<br />
LED “On” means LED pin output equals low.<br />
00 = Normal<br />
01 = Blink<br />
10 = LED Off<br />
11 = LED On<br />
1:0 LED_TX<br />
Mode<br />
HW Rst<br />
R/W<br />
00<br />
LED “Off” means LED pin output equals high.<br />
LED “On” means LED pin output equals low.<br />
00 = Normal<br />
01 = Blink<br />
SW Rst Retain<br />
10 = LED Off<br />
11 = LED On<br />
Table 29. Virtual cable tester status <strong>PHY</strong> register (Address Offset = 0x1c, or 0d28)<br />
Bits Symbol Type Description<br />
Mode<br />
RO<br />
15:10 Reserved<br />
HW Rst Always 0<br />
SW Rst Always 0<br />
Reserved.<br />
9:8 Status<br />
Mode<br />
HW Rst<br />
RO<br />
00<br />
The content of the Virtual Cable Tester Status Registers applies<br />
to the cable<br />
pair selected in the Virtual Cable Tester Control Registers.<br />
SW Rst 00<br />
11 = Test Fail<br />
00 = Valid test, normal cable (no short or open in cable)<br />
10 = Valid test, open in cable (Impedance > 333 ohms)<br />
01 = Valid test, short in cable (Impedance < 33 ohms)<br />
Mode<br />
R/W<br />
7:0 Delta_Time<br />
HW Rst 0<br />
SW Rst 0<br />
Delta time to indicate distance.<br />
43
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