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LAN9312 Datasheet(PDF) 438 Page - SMSC Corporation

Part # LAN9312
Description  High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
PDF  458 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LAN9312 Datasheet(HTML) 438 Page - SMSC Corporation

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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
Revision 1.2 (04-08-08)
438
SMSC LAN9312
DATASHEET
14.5.4.26
Buffer Manager Interrupt Mask Register (BM_IMR)
This register contains the Buffer Manager interrupt mask, which masks the interrupts in the Buffer
Manager Interrupt Pending Register (BM_IPR). All Buffer Manager interrupts are masked by setting
the Interrupt Mask bit. Clearing this bit will unmask the interrupts. Refer to Chapter 5, "System
Interrupts," on page 49 for more information.
Register #:
1C20h
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:1
RESERVED
RO
-
0
Interrupt Mask
When set, this bit masks interrupts from the Buffer Manager. The status bits
in the Buffer Manager Interrupt Pending Register (BM_IPR) are not affected.
R/W
1b



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