ENC28J60-I/SS(2012) Просмотр технического описания (PDF) - Microchip Technology

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ENC28J60-I/SS
(Rev.:2012)

Stand-Alone Ethernet Controller with SPI Interface

Microchip Technology 

ENC28J60

REGISTER 2-2: PHLCON: PHY MODULE LED CONTROL REGISTER

R/W-0

r

bit 15

R/W-0

r

R/W-1

r

R/W-1

r

R/W-0

LACFG3

R/W-1

LACFG2

R/W-0

LACFG1

R/W-0

LACFG0

bit 8

R/W-0

LBCFG3

bit 7

R/W-0

LBCFG2

R/W-1

LBCFG1

R/W-0

LBCFG0

R/W-0

LFRQ1

R/W-0

LFRQ0

R/W-1

STRCH

R/W-x

r

bit 0

Legend:

R = Readable bit

-n = Value at POR

r = Reserved bit

W = Writable bit

‘1’ = Bit is set

U = Unimplemented bit, read as ‘0’

‘0’ = Bit is cleared

x = Bit is unknown

bit 15-14

bit 13-12

bit 11-8

bit 7-4

bit 3-2

bit 1

bit 0

Reserved: Write as ‘0’

Reserved: Write as ‘1’

LACFG<3:0>: 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

LBCFG<3:0>: 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

LFRQ<1:0>: LED Pulse Stretch Time Configuration bits (see Table 2-1)

11 = Reserved

10 = Stretch LED events by TLSTRCH

01 = Stretch LED events by TMSTRCH

00 = Stretch LED events by TNSTRCH

STRCH: LED Pulse Stretching Enable bit

1 = Stretchable LED events will cause lengthened LED pulses based on LFRQ<1:0> configuration

0 = Stretchable LED events will only be displayed while they are occurring

Reserved: Write as ‘0’

 2006-2012 Microchip Technology Inc.

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DS39662E-page 9

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