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LAN9250 Datasheet(PDF) 186 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) 186 Page - Microchip Technology

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LAN9250
DS00001913A-page 186
 2015 Microchip Technology Inc.
11.14.9
HOST MAC CSR INTERFACE DATA REGISTER (MAC_CSR_DATA)
This read-write register is used in conjunction with the Host MAC CSR Interface Command Register (MAC_CSR_CMD)
to indirectly access the Host MAC CSRs.
Note:
The full list of Host MAC CSRs are described in Section 11.15, "Host MAC Control and Status Registers,"
on page 192.
Offset:
0A8h
Size:
32 bits
Bits
Description
Type
Default
31:0
Host MAC CSR Data
This field contains the value read from or written to the Host MAC CSR as
specified in the Host MAC CSR Interface Command Register (MAC_CS-
R_CMD). Upon a read, the value returned depends on the R/nW bit in the
MAC_CSR_CMD register. If R/nW is a 1, the data in this register is from the
Host MAC. If R/nW is 0, the data is the value that was last written into this
register.
Note:
The MAC_CSR_CMD and MAC_CSR_DATA registers must not be
modified until the CSR Busy bit is cleared in the MAC_CSR_CMD
register.
R/W
00000000h



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