MVTX2801 Datasheet, PDF (62/106 Pages) Zarlink Semiconductor Inc – Unmanaged 4-Port 1000 Mbps Ethernet Switch

MVTX2801
Data Sheet
Bits [1:0]: • Reserved
Bit [2]:
• Support DS EF Code. (Default 0)
- 0 - Disable
- 1 - Enable (all ports)
• When 101110 is detected in DS field (TOS[7:2]), the frame priority is set for 110 and drop is
set for 0.
Bit [5:3]: • Reserved
Bit [6]:
- 0: Enable MII Management State Machine (Default 0)
- 1: Disable MII Management State Machine
Bit [7]:
- 0: Enable using MCT Link List structure
- 1: Disable using MCT Link List structure
10.7.4 MIIC0 - MII Command Register 0
Serial Interface Address:h603
Accessed by serial interface (R/W)
Bit [7:0] MII Data [7:0]
Note: Before programming MII command: set FEN[6], check MIIC3, making sure no RDY, and no VALID; then
program MII command.
10.7.5 MIIC1 - MII Command Register 1
Serial Interface Address:h604
Accessed by serial interface (R/W)
Bit [7:0]
• MII Data [15:8]
Note: Before programming MII command: set FEN[6], check MIIC3, making sure no RDY and no VALID; then
program MII command.
10.7.6 MIIC2 - MII Command Register 2
Serial Interface Address:h605
Accessed by serial interface (R/W)
7
6
5
4
0
MII OP
Register address
Bits [4:0]:
Bit [6:5]
• REG_AD - Register PHY Address
• OP - Operation code “10” for read command and “01” for write command
Note: Before programming MII command: set FEN[6], check MIIC3, making sure no RDY and no VALID; then
program MII command.
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Zarlink Semiconductor Inc.