enc28j60 Microchip Technology Inc., enc28j60 Datasheet - Page 11

• Manufacturer Part Number: enc28j60
• Description: Stand-alone Ethernet Controller With Spi Interface
• Manufacturer: Microchip Technology Inc.

REGISTER 2-2:
© 2006 Microchip Technology Inc.
bit 15
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 15-14
bit 13-12
bit 11-8
bit 7-4
bit 3-2
bit 1
bit 0
LBCFG3
R/W-0
R/W-0
r
Reserved: Write as ‘0’
Reserved: Write as ‘1’
LACFG3:LACFG0: LEDA Configuration bits
1111 = Reserved
1110 = Display duplex status and collision activity (always stretched)
1101 = Display link status and transmit/receive activity (always stretched)
1100 = Display link status and receive activity (always stretched)
1011 = Blink slow
1010 = Blink fast
1001 = Off
1000 = On
0111 = Display transmit and receive activity (stretchable)
0110 = Reserved
0101 = Display duplex status
0100 = Display link status
0011 = Display collision activity (stretchable)
0010 = Display receive activity (stretchable)
0001 = Display transmit activity (stretchable)
0000 = Reserved
LBCFG3:LBCFG0: LEDB Configuration bits
1110 = Display duplex status and collision activity (always stretched)
1101 = Display link status and transmit/receive activity (always stretched)
1100 = Display link status and receive activity (always stretched)
1011 = Blink slow
1010 = Blink fast
1001 = Off
1000 = On
0111 = Display transmit and receive activity (stretchable)
0110 = Reserved
0101 = Display duplex status
0100 = Display link status
0011 = Display collision activity (stretchable)
0010 = Display receive activity (stretchable)
0001 = Display transmit activity (stretchable)
0000 = Reserved
LFRQ1:LFRQ0: LED Pulse Stretch Time Configuration bits (see Table 2-1)
11 = Reserved
10 = Stretch LED events by T
01 = Stretch LED events by T
00 = Stretch LED events by T
STRCH: LED Pulse Stretching Enable bit
1 = Stretchable LED events will cause lengthened LED pulses based on LFRQ1:LFRQ0 configuration
0 = Stretchable LED events will only be displayed while they are occurring
Reserved: Write as ‘0’
LBCFG2
R/W-0
R/W-0
r
PHLCON: PHY MODULE LED CONTROL REGISTER
W = Writable bit
‘1’ = Bit is set
LBCFG1
R/W-1
R/W-1
r
LSTRCH
MSTRCH
NSTRCH
LBCFG0
R/W-1
R/W-0
Preliminary
r
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
LACFG3
LFRQ1
R/W-0
R/W-0
LACFG2
LFRQ0
R/W-1
R/W-0
x = Bit is unknown
ENC28J60
LACFG1
STRCH
R/W-0
R/W-1
DS39662B-page 9
LACFG0
R/W-0
R/W-x
r
bit 8
bit 0