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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i 301 Revision 1.4 (08-19-08)
DATASHEET
14.4.2.8 Port x PHY Mode Control/Status Register (PHY_MODE_CONTROL_STATUS_x)
This read/write register is used to control and monitor various Port x PHY configuration options.
Index (decimal): 17 Size: 16 bits
BITS DESCRIPTION TYPE DEFAULT
15:14 RESERVED RO -
13
Energy Detect Power-Down (EDPWRDOWN)
This bit controls the Energy Detect Power-Down mode.
0: Energy Detect Power-Down is disabled
1: Energy Detect Power-Down is enabled
R/W 0b
12:2
RESERVED RO -
1
Energy On (ENERGYON)
This bit indicates whether energy is detected on the line. It is cleared if no
valid energy is detected within 256ms. This bit is unaffected by a software
reset and is reset to 1 by a hardware reset.
0: No valid energy detected on the line
1: Energy detected on the line
RO 1b
0
RESERVED R/W 0b