lan9312 Standard Microsystems Corp., lan9312 Datasheet - Page 322
lan9312
Manufacturer Part Number
lan9312
Description
Lan9312 High Performance Two Port 10/100 Managed Ethernet Switch With 32-bit Non-pci Cpu Interface
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN9312.pdf
(458 pages)
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Revision 1.2 (04-08-08)
14.5.1.4
BITS
31:7
4:3
6
5
2
1
0
RESERVED
Buffer Manager Interrupt (BM)
Set when any unmasked bit in the
Register (BM_IPR)
Switch Engine Interrupt (SWE)
Set when any unmasked bit in the
(SWE_IPR)
RESERVED
Port 2 MAC Interrupt (MAC_2)
Set when any unmasked bit in the MAC_IPR_2 register (see
14.5.2.44, on page
Port 1 MAC Interrupt (MAC_1)
Set when any unmasked bit in the MAC_IPR_1 register (see
14.5.2.44, on page
Port 0 MAC Interrupt (MAC_MII)
Set when any unmasked bit in the MAC_IPR_MII register (see
14.5.2.44, on page
Switch Global Interrupt Pending Register (SW_IPR)
This read-only register contains the pending global interrupts for the switch fabric. A set bit indicates
an unmasked bit in the corresponding switch fabric sub-system has been triggered. All switch related
interrupts in this register may be masked via the
register. When an unmasked switch fabric interrupt is generated in this register, the interrupt will trigger
the SWITCH_INT bit in the
Interrupts," on page 49
Register #:
is triggered. This bit is cleared upon a read.
is triggered. This bit is cleared upon a read.
366) is triggered. This bit is cleared upon a read.
366) is triggered. This bit is cleared upon a read.
366) is triggered. This bit is cleared upon a read.
for more information.
0005h
DESCRIPTION
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Interrupt Status Register
Switch Engine Interrupt Pending Register
Buffer Manager Interrupt Pending
DATASHEET
322
Size:
Switch Global Interrupt Mask Register (SW_IMR)
(INT_STS). Refer to
Section
Section
Section
32 bits
TYPE
RO
RC
RC
RO
RC
RC
RC
Chapter 5, "System
SMSC LAN9312
DEFAULT
Datasheet
0b
0b
0b
0b
0b
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