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LAN9250 bảng dữ liệu(PDF) 190 Page - Microchip Technology

tên linh kiện LAN9250
Giải thích chi tiết về linh kiện  Integrated Ethernet PHY with HP Auto-MDIX
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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) 190 Page - Microchip Technology

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LAN9250
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11.14.11 HOST MAC RX LPI TRANSITIONS REGISTER (HMAC_RX_LPI_TRANSITION)
This register indicates the number of times that the RX LPI indication from the PHY changed from de-asserted to
asserted.
11.14.12 HOST MAC RX LPI TIME REGISTER (HMAC_RX_LPI_TIME)
This register shows the total duration that the PHY has indicated RX LPI.
Offset:
0B0h
Size:
32 bits
Bits
Description
Type
Default
31:0
EEE RX LPI Transitions
Count of total number of times that the RX LPI indication from 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:
0B4h
Size:
32 bits
Bits
Description
Type
Default
31:0
EEE RX LPI Time
This field shows the total duration, in us, that the PHY has indicated RX LPI.
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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