High-Performance Small Form Factor Single-Chip Ethernet Controller with HP Auto-MDIX
Datasheet
BITS
DESCRIPTION
TYPE
DEFAULT
4
IRQ Polarity (IRQ_POL) – When cleared, enables the IRQ line to
function as an active low output. When set, the IRQ output is active high.
When IRQ is configured as an open-drain output this field is ignored,
and the interrupt output is always active low.
R/W
NASR
0
3-1
0
Reserved
RO
-
IRQ Buffer Type (IRQ_TYPE) – When cleared, enables IRQ to function
as an open-drain buffer for use in a Wired-Or Interrupt configuration.
When set, the IRQ output is a Push-Pull driver. When configured as an
open-drain output the IRQ_POL field is ignored, and the interrupt output
is always active low.
R/W
NASR
0
SMSC LAN9211
81
Revision 1.93 (11-27-07)
DATASHEET
SMSC [ SMSC CORPORATION ]
