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LAN8820 Datasheet(PDF) 58 Page - Microchip Technology

Part # LAN8820
Description  RGMII 10/100/1000 Ethernet Transceiver
PDF  83 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8820 Datasheet(HTML) 58 Page - Microchip Technology

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LAN8820/LAN8820I
DS00001871B-page 58
 2009-2015 Microchip Technology Inc.
4.3.10
RECEIVE ERROR DURING DATA COUNTER REGISTER
4.3.11
RECEIVE ERROR DURING IDLE COUNTER REGISTER
4.3.12
TRANSMIT PACKET COUNTER HIGH REGISTER
Index:
U8
Size:
16 bits
Bits
Description
Type
Default
15:0
RXERIND_DATA[15:0]
Counts the assertions of RXER (going from low to high) when RXDV is high.
Note:
The RXER and RXDV signals are extrapolated from the RXCTRL
pin.
RO/
RC
0000h
Index:
U9
Size:
16 bits
Bits
Description
Type
Default
15:0
RXERIND_IDLE[15:0]
Counts the assertions of RXER (going from low to high) when RXDV is low.
Note:
The RXER and RXDV signals are extrapolated from the RXCTRL
pin.
RO/
RC
0000h
Index:
U10
Size:
16 bits
Bits
Description
Type
Default
15:0
TXPKT[47:32]
Counts the number of transmitted packets.
Contains the 16 upper bits of the 48-bit counter.
Reading this register resets all bits in the Transmit Packet Counter.
RO/
RC
0000h
Note:
The 48-bit transmit packet counter is split across 3 registers. In order to read the counter correctly, the reg-
isters must be read in the following order: Transmit Packet Counter Low Register, Transmit Packet Counter
Mid Register, Transmit Packet Counter High Register. After reading the high register, the counter will be
automatically cleared.



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