AX88179
USB 3.0 to 10/100/1000M Gigabit Ethernet Controller
4.1.6 LED Mode (EEPROM: 42h, eFuse: 19h~1Ah)
It’s to define the indication setting for LED_0/1/2/3 function of MFA_0/1/2/3 pins.
Bit 7~Bit 0: LED_Mode_LB; Bit 15~Bit 8: LED_Mode_HB
Bit7
LED1_100
Bit15
Bit6
LED1_10 LED1_Active LED0_Duplex LED0_1000 LED0_100
Bit14 Bit13 Bit12 Bit11 Bit10
LED2_Duplex LED2_1000 LED2_100
Bit5
Bit4
Bit3
Bit2
Bit1
LED0_10
Bit9
Bit0
LED0_Active
Bit8
1
LED2_10 LED2_Active LED1_Duplex LED1_1000
Note: Bit 15 must be ‘1’ to enable the LED_mode setting; otherwise, it will work at default LED mode.
The LED mode table is as below:
bit
4
3
2
1
0
Active
(TX/RX)
0
Description of indication
Full duplex
Link speed(Mbps)
1000
0
100
0
10
0
0
USB3.0 Super Speed: It keeps radiating
when device operated at USB3.0 Super
Speed.
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
8
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
7
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
6
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Active (Default for LED_0)
Link 10
Link 10+Active
Link 100
Link 100+Active
Link 100/10
Link 100/10+Active
Link 1000
Link 1000+Active
Link 1000/10
Link 1000/10+Active
Link 1000/100
Link 1000/100+Active
Link 1000/100/10
Link 1000/100/10+Active
Full duplex
LED_0
bit
9
5
Active
(TX/RX)
0
Description of indication
Full duplex
Link speed(Mbps)
1000
0
100
0
10
0
0
USB3.0 Super Speed: It keeps radiating
when device operated at USB3.0 Super
Speed.
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
1
1
1
1
0
0
0
0
1
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Active
Link 10
Link 10+Active
Link 100
Link 100+Active
Link 100/10
Link 100/10+Active
Link 1000
Link 1000+Active
Link 1000/10
Link 1000/10+Active
Link 1000/100
Link 1000/100+Active
LED_1
21
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