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LAN9250 Datasheet(PDF) 42 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) 42 Page - Microchip Technology

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LAN9250
DS00001913A-page 42
 2015 Microchip Technology Inc.
6.2.3
RESET REGISTERS
6.2.3.1
Reset Control Register (RESET_CTL)
This register contains software controlled resets.
Offset:
1F8h
Size:
32 bits
Note:
This register can be read while the device is in the reset or not ready / power savings states without leaving
the host interface in an intermediate state. If the host interface is in a reset state, returned data may be
invalid.
It is not necessary to read all four bytes of this register. DWORD access rules do not apply to this register.
Bits
Description
Type
Default
31:7
RESERVED
RO
-
6
RESERVED
RO
-
5
Host MAC Reset (HMAC_RST)
Setting this bit resets the Host MAC sub-system. When the Host MAC sub-
system is released from reset, this bit is automatically cleared. All writes to
this bit are ignored while this bit is set.
Note:
This bit is not accessible via the EEPROM Loader’s register
initialization function (Section 13.4.5).
R/W
SC
0b
4
RESERVED
RO
-
3
RESERVED
RO
-
2
RESERVED
RO
-



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