LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 407

• Manufacturer Part Number: LAN9312-NU
• Description: Ethernet ICs Hi Per 2 Port 10/100 Ethernet Switch
• Manufacturer: SMSC
• Type: Two Port Managed Ethernet Switchr

Specifications of LAN9312-NU

• Ethernet Connection Type: 10 Base-T, 100 Base-TX
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Product: Ethernet Switches
• Number Of Transceivers: 1
• Standard Supported: 802.3, 802.3u
• Data Rate: 10 Mbps, 100 Mbps
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 0 V
• Supply Current (max): 185 mA, 295 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
14.5.3.39
BITS
31:1
0
RESERVED
Interrupt Mask
When set, this bit masks interrupts from the Switch Engine. The status bits
in the
affected.
Switch Engine Interrupt Mask Register (SWE_IMR)
This register contains the Switch Engine interrupt mask, which masks the interrupts in the
Engine Interrupt Pending Register
Interrupt Mask bit. Clearing this bit will unmask the interrupts. Refer to
on page 49
Switch Engine Interrupt Pending Register (SWE_IPR)
Register #:
for more information.
1880h
DESCRIPTION
(SWE_IPR). All Switch Engine interrupts are masked by setting the
DATASHEET
407
Size:
are not
32 bits
Chapter 5, "System Interrupts,"
TYPE
R/W
RO
Revision 1.7 (06-29-10)
DEFAULT
1b
-
Switch