Register Descriptions

13.4.7.1.20PHY Global Status (82544GC/EI Only) PGSTAT (23d; R)

Table 13-44. PHY Global Status Bit Description

Field

Bit(s)

 

Description

Mode

HW Rst

SW Rst

 

 

 

 

 

 

 

Port 0 Interrupt

0

0b

= No Interrupt on Port.

RO

0b

0b

1b

= Interrupt on Port.

 

 

 

 

 

 

 

 

 

 

 

 

Port 1 Interrupt

1

0b

= No Interrupt on Port.

RO

0b

0b

1b

= Interrupt on Port.

 

 

 

 

 

 

 

 

 

 

 

 

Port 2 Interrupt

2

0b

= No Interrupt on Port.

RO

0b

0b

1b

= Interrupt on Port.

 

 

 

 

 

 

 

 

 

 

 

 

Port 3 Interrupt

3

0b

= No Interrupt on Port.

RO

0b

0b

1b

= Interrupt on Port.

 

 

 

 

 

 

 

 

 

 

 

Reserved

15:4

Reserved. Should be set to 0b.

RO

0b

0b

 

 

 

 

 

 

 

NOTE: Bits 3:0 remain high until the active corresponding interrupt bits are cleared on a read of the PHY Interrupt Status Register.

13.4.7.1.21SPEED_100_LED and SPEED_1000_LED Control (82541xx and 82547GI/EI Only) (24d; R/W)

Table 13-45. SPEED_100_LED and SPEED_1000_LED Bit Description

Field

Bit(s)

 

Description

Mode

HW Rst

SW Rst

 

 

 

 

 

 

LED Source Select

3:0

MUX the designated input to

R/W

0011b

0011b

SPEED_100_LED.

 

 

 

 

 

 

 

 

 

 

 

 

 

Disable the SPEED_100_LED Blink

 

 

 

LED Blink Disable

4

Logic.

R/W

0b

0b

0b

= Enable logic.

 

 

 

 

 

 

 

1b

= Disable logic.

 

 

 

 

 

 

 

 

 

 

 

Disable the SPEED_100_LED

 

 

 

 

 

Extension Logic.

 

 

 

 

 

0b

= Enable logic.

 

 

 

LED Stretch Disable

5

1b

= Disable logic.

R/W

1b

1b

Note: Only when both the stretch and

 

 

 

 

 

 

 

blink are disabled the input bypasses

 

 

 

 

 

the blink logic and is muxed out with no

 

 

 

 

 

sampling (only combinational logic).

 

 

 

 

 

 

 

 

 

LED Source Select

9:6

Mux the designated input to

R/W

0100b

0100b

SPEED_1000_LED.

 

 

 

 

 

 

 

 

 

 

 

 

 

Disable the SPEED_1000_LED Blink

 

 

 

LED Blink Disable

10

Logic.

R/W

0b

0b

0b

= Enable logic.

 

 

 

 

 

 

 

1b

= Disable logic.

 

 

 

 

 

 

 

 

 

 

Software Developer’s Manual

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Intel PCI-X, Intel Gigabit Ethernet Controllers manual SPEED100LED, SPEED1000LED