EVB9311 SMSC, EVB9311 Datasheet - Page 414

• Manufacturer Part Number: EVB9311
• Description: EVALUATION BOARD LAN9311-NU
• Manufacturer: SMSC
• Series: 0133r

Specifications of EVB9311

• Main Purpose: Interface, Ethernet
• Embedded: No
• Utilized Ic / Part: LAN9311
• Primary Attributes: 2 Ports, 100BASE-TX/10BASE-T, Managed
• Secondary Attributes: 2 PHYs with HP Auto-MDIX, Auto- Flow Control, 32-bit CRC, MDI/MDI-X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1076

Revision 1.7 (06-29-10)
14.5.4.3
31:16
BITS
15:8
7:0
RESERVED
Pause Level Low
These bits specify the buffer usage level during times when 2 or 3 ports are
active.
Each buffer is 128 bytes.
Note:
Pause Level High
These bits specify the buffer usage level during times when 1 port is active.
Each buffer is 128 bytes.
Note:
Buffer Manager Flow Control Pause Level Register (BM_FC_PAUSE_LVL)
This register configures the buffer usage level when a Pause frame or backpressure is sent.
A port is “active” when 36 buffers are in use for that port.
A port is “active” when 36 buffers are in use for that port.
Register #:
1C02h
DESCRIPTION
DATASHEET
414
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Size:
32 bits
TYPE
R/W
R/W
SMSC LAN9311/LAN9311i
RO
DEFAULT
3Ch
21h
Datasheet
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