78Q2123/78Q2133 MicroPHY™
10/100BASE-TX Transceiver
MR23: LED Configuration Register
BIT
SYMBOL TYPE DEFAULT DESCRIPTION
23.15:8
Reserved
NA
<0000>
Must set to zero on each write to MR23
23.7:4
LED1[3:0]
R/W
<1h>
0000 = Link OK
0001 = RX or TX Activity (Default LED1)
0010 = TX Activity
0011 = RX Activity
0100 = Collision
0101 = 100 BASE-TX mode
0110 = 10 BASE-T mode
0111 = Full Duplex
1000 = Link OK/Blink=RX or TX Activity
23.3:0
LED0[3:0]
R/W
<0h>
0000 = Link OK (Default LED0)
0001 = RX or TX Activity
0010 = TX Activity
0011 = RX Activity
0100 = Collision
0101 = 100 BASE-TX mode
0110 = 10 BASE-T mode
0111 = Full Duplex
1000 = Link OK/Blink=RX or TX Activity
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© 2009 Teridian Semiconductor Corporation
Rev 1.5
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