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LAN9250 bảng dữ liệu(PDF) 191 Page - Microchip Technology

tên linh kiện LAN9250
Giải thích chi tiết về linh kiện  Integrated Ethernet PHY with HP Auto-MDIX
PDF  421 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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LAN9250 bảng dữ liệu(HTML) 191 Page - Microchip Technology

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DS00001913A-page 191
LAN9250
11.14.13 HOST MAC TX LPI TRANSITIONS REGISTER (HMAC_TX_LPI_TRANSITION)
This register indicates the total number of times TX LPI request to the PHY changed from de-asserted to asserted.
11.14.14 HOST MAC TX LPI TIME REGISTER (HMAC_TX_LPI_TIME)
This register shows the total duration that TX LPI request to the PHY has been asserted.
Offset:
0B8h
Size:
32 bits
Bits
Description
Type
Default
31:0
EEE TX LPI Transitions
Count of total number of times the TX LPI request to the PHY changed from
de-asserted to asserted.
The counter is reset if the Host MAC Energy Efficient Ethernet
(HMAC_EEE_ENABLE) bit in the Host MAC Control Register (HMAC_CR) is
low.
RO
00000000h
Offset:
0BCh
Size:
32 bits
Bits
Description
Type
Default
31:0
EEE TX LPI Time
This field shows the total duration, in us, that TX LPI request to the PHY has
been asserted.
The counter is reset if the Host MAC Energy Efficient Ethernet
(HMAC_EEE_ENABLE) bit in the Host MAC Control Register (HMAC_CR) is
low.
RO
00000000h



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