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ENC28J60-C/ML 数据表(PDF) 25 Page - Microchip Technology |
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ENC28J60-C/ML 数据表(HTML) 25 Page - Microchip Technology |
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25 / 96 page ![]() © 2006 Microchip Technology Inc. Preliminary DS39662B-page 23 ENC28J60 REGISTER 3-5: PHSTAT1: PHYSICAL LAYER STATUS REGISTER 1 U-0 U-0 U-0 R-1 R-1 U-0 U-0 U-0 — — —PFDPX PHDPX — — — bit 15 bit 8 U-0 U-0 U-0 U-0 U-0 R/LL-0 R/LH-0 U-0 — — — — — LLSTAT JBSTAT — bit 7 bit 0 Legend: ‘1’ = Bit is set R = Read-only bit ‘0’ = Bit is cleared U = Unimplemented bit, read as ‘0’ -n = Value at POR R/L = Read-only latch bit LL = Bit latches low LH = Bit latches high bit 15-13 Unimplemented: Read as ‘0’ bit 12 PFDPX: PHY Full-Duplex Capable bit 1 = PHY is capable of operating at 10 Mbps in Full-Duplex mode (this bit is always set) bit 11 PHDPX: PHY Half-Duplex Capable bit 1 = PHY is capable of operating at 10 Mbps in Half-Duplex mode (this bit is always set) bit 10-3 Unimplemented: Read as ‘0’ bit 2 LLSTAT: PHY Latching Link Status bit 1 = Link is up and has been up continously since PHSTAT1 was last read 0 = Link is down or was down for a period since PHSTAT1 was last read bit 1 JBSTAT: PHY Latching Jabber Status bit 1 = PHY has detected a transmission meeting the jabber criteria since PHSTAT1 was last read 0 = PHY has not detected any jabbering transmissions since PHSTAT1 was last read bit 0 Unimplemented: Read as ‘0’ |
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