EVB9311 SMSC, EVB9311 Datasheet - Page 415

• 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

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
14.5.4.4
31:16
BITS
15:8
7:0
RESERVED
Resume Level Low
These bits specify the buffer usage level during times when 2 or 3 ports are
active.
Each buffer is 128 bytes.
Note:
Resume Level High
These bits specify the buffer usage level during times when 0 or 1 ports are
active.
Each buffer is 128 bytes.
Note:
Buffer Manager Flow Control Resume Level Register (BM_FC_RESUME_LVL)
This register configures the buffer usage level when a Pause frame with a pause value of 1 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 #:
1C03h
DESCRIPTION
DATASHEET
415
Size:
32 bits
TYPE
R/W
R/W
RO
Revision 1.7 (06-29-10)
DEFAULT
03h
07h
-