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LAN8742Ai-CZ データシート(PDF) 100 Page - Microchip Technology

部品番号 LAN8742Ai-CZ
部品情報  Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR짰 Technology
PDF  124 Pages
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メーカー  MICROCHIP [Microchip Technology]
ホームページ  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8742Ai-CZ データシート(HTML) 100 Page - Microchip Technology

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LAN8742A/LAN8742Ai
DS00001989A-page 100
2013-2015 Microchip Technology Inc.
4.3.17
TDR SHORT/OPEN THRESHOLD REGISTER
Note 1: Software reset places the default values of this register into an indeterminate state. For proper operation of
the TDR, the TDR Short Low Threshold and TDR Open High Threshold must be set to 5’h09 and 5’h12,
respectively.
Index (In Decimal):
30.12
Size:
16 bits
Bits
Description
Type
Default
15:10
RESERVED
RO
-
9:5
TDR Short Low Threshold
Sets the lower threshold to detect short cable.
R/W
5’h09
(see Note 1)
4:0
TDR Open High Threshold
Sets the upper threshold to detect open cable.
R/W
5’h12
(see Note 1)



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