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LAN9252/ML データシート(PDF) 255 Page - Microchip Technology |
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LAN9252/ML データシート(HTML) 255 Page - Microchip Technology |
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255 / 329 page  2015 Microchip Technology Inc. DS00001909A-page 255 LAN9252 12.14.36 FORWARDED RX ERROR COUNTER REGISTERS There are 4 8-bit Forwarded RX Error Counter registers, each with unique address offsets as shown above. The variable “x” is used in the following bit descriptions to represent ports 0-3. Note: This register is cleared if any one of the RX Error Counter Registers is written. Note: Port 3 is not used. 12.14.37 ECAT PROCESSING UNIT ERROR COUNTER REGISTER 12.14.38 PDI ERROR COUNTER REGISTER Offset: 0308h-030Bh Port 0: 0308h Port 1: 0309h Port 2: 030Ah Port 3: 030Bh Size: 8 bits Bits Description ECAT Type PDI Type Default 7:0 Port x Forwarded RX Error Counter Counting is stopped when FFh is reached. This is coupled directly to RX ERR of the MII/EBUS interfaces. R/WC RO 00h Offset: 030Ch Size: 8 bits Bits Description ECAT Type PDI Type Default 7:0 ECAT Processing Unit Error Counter Counting is stopped when FFh is reached. This field counts the errors of frames passing the Processing Unit (e.g., FCS error or datagram structure error). R/WC RO 00h Offset: 030Dh Size: 8 bits Bits Description ECAT Type PDI Type Default 7:0 PDI Error Counter Counting is stopped when FFh is reached. This field counts if a PDI access has an interface error. R/WC RO 00h |
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