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LAN9250 Datasheet(PDF) 209 Page - Microchip Technology

Part # LAN9250
Description  Integrated Ethernet PHY with HP Auto-MDIX
PDF  421 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9250 Datasheet(HTML) 209 Page - Microchip Technology

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 2015 Microchip Technology Inc.
DS00001913A-page 209
LAN9250
11.15.15 HOST MAC EEE TX LPI REQUEST DELAY REGISTER (HMAC_EEE_TX_LPI_REQ_DELAY)
This register contains the amount of time, in microseconds, the Host MAC must wait after the TX FIFO is empty before
invoking the LPI protocol.
Note:
The actual time can be up to 1 us longer than specified.
Note:
A value of zero is valid and will cause no delay to occur.
Note:
If the TX FIFO becomes non-empty, the timer is restarted
Offset:
0Fh
Size:
32 bits
Bits
Description
Type
Default
31:0
EEE TX LPI Request Delay
This field contains the time to wait, in microseconds, before invoking the LPI
protocol.
Software should only change this field when the Host MAC Energy Efficient
Ethernet (HMAC_EEE_ENABLE) bit is cleared.
R/W
00000000h



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