LAN9730 Datasheet, PDF (188/222 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0

LAN9730/LAN9730i
6.5.9 MODE CONTROL/STATUS REGISTER
Index (In Decimal): 17
Size:
16 bits
Bits
15:14
13
12:2
1
0
Description
RESERVED
EDPWRDOWN
Enable the Energy Detect Power-Down mode:
0 = Energy Detect Power-Down is disabled
1 = Energy Detect Power-Down is enabled
Note:
Note:
It is recommended to enable auto-negotiation before enabling
EDPD mode.
When in EDPD mode, the device’s NLP characteristics can be
modified via the EDPD NLP/Crossover TimeRegister.
RESERVED
ENERGYON
Indicates whether energy is detected. This bit goes to a “0” if no valid energy
is detected within 256 ms. It is reset to “1” by a hardware reset and unaffected
by a software reset.
RESERVED
Type
RO
R/W
RO
RO
R/W
Default
-
0b
-
1b
0b
DS00001946A-page 188
 2012-2015 Microchip Technology Inc.