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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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LAN8820I 데이터시트(PDF) 57 Page - Microchip Technology |
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LAN8820I 데이터시트(HTML) 57 Page - Microchip Technology |
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57 / 83 page  2009-2015 Microchip Technology Inc. DS00001871B-page 57 LAN8820/LAN8820I 4.3.7 CRC ERROR COUNTER HIGH REGISTER 4.3.8 CRC ERROR COUNTER MID REGISTER 4.3.9 CRC ERROR COUNTER LOW REGISTER Index: U5 Size: 16 bits Bits Description Type Default 15:0 CRCERR[47:32] Counts the CRC errors, which are generated by the CRC checker circuit. Contains the 16 upper bits of the 48-bit counter. Reading this register resets all bits in the CRC Error Counter. RO/ RC 0000h Note: The 48-bit CRC error counter is split across 3 registers. In order to read the counter correctly, the registers must be read in the following order: , CRC Error Counter Mid Register, CRC Error Counter High Register. After reading the high register, the counter will be automatically cleared. Index: U6 Size: 16 bits Bits Description Type Default 15:0 CRCERR[31:16] Counts the CRC errors, which are generated by the CRC checker circuit. Contains the 16 middle bits of the 48-bit counter. RO 0000h Note: The 48-bit CRC error counter is split across 3 registers. In order to read the counter correctly, the registers must be read in the following order: , CRC Error Counter Mid Register, CRC Error Counter High Register. After reading the high register, the counter will be automatically cleared. Index: U7 Size: 16 bits Bits Description Type Default 15:0 CRCERR[15:0] Counts the CRC errors, which are generated by the CRC checker circuit. Contains the 16 low-order bits of the 48-bit counter. RO 0000h Note: The 48-bit CRC error counter is split across 3 registers. In order to read the counter correctly, the registers must be read in the following order: , CRC Error Counter Mid Register, CRC Error Counter High Register. After reading the high register, the counter will be automatically cleared. |
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