lan9221 Standard Microsystems Corp., lan9221 Datasheet - Page 82

• Manufacturer Part Number: lan9221
• Description: High-performance 16-bit Non-pci 10/100 Ethernet Controller With Variable Voltage I/o
• Manufacturer: Standard Microsystems Corp.

Revision 2.6 (12-04-08)
BITS
3-1
4
0
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.
Reserved
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.
DESCRIPTION
DATASHEET
82
High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
NASR
NASR
TYPE
R/W
R/W
RO
SMSC LAN9221/LAN9221i
DEFAULT
Datasheet
0
0
-