lan9220 Standard Microsystems Corp., lan9220 Datasheet - Page 89
lan9220
Manufacturer Part Number
lan9220
Description
16-bit Non-pci Small Form Factor 10/100 Ethernet Controller With Variable Voltage I/o & Hp Auto-mdix Support
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN9220.pdf
(150 pages)
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16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support
Datasheet
SMSC LAN9220
BITS
0
Soft Reset (SRST). Writing 1 generates a software initiated reset. This reset
generates a full reset of the MAC CSR’s. The SCSR’s (system command
and status registers) are reset except for any NASR bits. Soft reset also
clears any TX or RX errors (TXE/RXE). This bit is self-clearing.
Notes:
Do not attempt a soft reset unless the PHY is fully awake and operational.
After a PHY reset, or when returning from a reduced power state, the PHY
must given adequate time to return to the operational state before a soft
reset can be issued.
The LAN9220 must always be read at least once after power-up, reset, or
upon return from a power-saving state or write operations will not function.
DESCRIPTION
DATASHEET
89
TYPE
SC
Revision 2.6 (12-04-08)
DEFAULT
0
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