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ENC28J60-C/SP 数据表(PDF) 11 Page - Microchip Technology |
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ENC28J60-C/SP 数据表(HTML) 11 Page - Microchip Technology |
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11 / 96 page ![]() © 2006 Microchip Technology Inc. Preliminary DS39662B-page 9 ENC28J60 REGISTER 2-2: PHLCON: PHY MODULE LED CONTROL REGISTER R/W-0 R/W-0 R/W-1 R/W-1 R/W-0 R/W-1 R/W-0 R/W-0 r r r r LACFG3 LACFG2 LACFG1 LACFG0 bit 15 bit 8 R/W-0 R/W-0 R/W-1 R/W-0 R/W-0 R/W-0 R/W-1 R/W-x LBCFG3 LBCFG2 LBCFG1 LBCFG0 LFRQ1 LFRQ0 STRCH r bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 15-14 Reserved: Write as ‘0’ bit 13-12 Reserved: Write as ‘1’ bit 11-8 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 bit 7-4 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 bit 3-2 LFRQ1:LFRQ0: 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 bit 1 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 bit 0 Reserved: Write as ‘0’ |
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