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ENC28J60-C/ML 数据表(PDF) 26 Page - Microchip Technology |
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ENC28J60-C/ML 数据表(HTML) 26 Page - Microchip Technology |
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26 / 96 page ![]() ENC28J60 DS39662B-page 24 Preliminary © 2006 Microchip Technology Inc. REGISTER 3-6: PHSTAT2: PHYSICAL LAYER STATUS REGISTER 2 U-0 U-0 R-0 R-0 R-0 R-0 R-x U-0 — — TXSTAT RXSTAT COLSTAT LSTAT DPXSTAT(1) — bit 15 bit 8 U-0 U-0 R-0 U-0 U-0 U-0 U-0 U-0 — —PLRITY — — — — — 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 Unimplemented: Read as ‘0’ bit 13 TXSTAT: PHY Transmit Status bit 1 = PHY is transmitting data 0 = PHY is not transmitting data bit 12 RXSTAT: PHY Receive Status bit 1 = PHY is receiving data 0 = PHY is not receiving data bit 11 COLSTAT: PHY Collision Status bit 1 = A collision is occuring 0 = A collision is not occuring bit 10 LSTAT: PHY Link Status bit (non-latching) 1 =Link is up 0 =Link is down bit 9 DPXSTAT: PHY Duplex Status bit(1) 1 = PHY is configured for full-duplex operation (PHCON1<8> is set) 0 = PHY is configured for half-duplex operation (PHCON1<8> is clear) bit 8-6 Unimplemented: Read as ‘0’ bit 5 PLRITY: Polarity Status bit 1 = The polarity of the signal on TPIN+/TPIN- is reversed 0 = The polarity of the signal on TPIN+/TPIN- is correct bit 4-0 Unimplemented: Read as ‘0’ Note 1: Reset values of the Duplex mode/status bit depends on the connection of the LED to the LEDB pin (see Section 2.6 “LED Configuration” for additional details). |
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