TNETX15VE datasheet(42/113 Pages) TI1

42 / 113 page

TNETX15VE

VLAN-ENGINE ADDRESS-LOOKUP DEVICE

SPWS028B – APRIL 1997 – REVISED SEPTEMBER 1997

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

delete-node address register, delnode at 0x48–0x4D (DIO)

The delnode register is used with the DEL bit in the adddelcontrol register to allow for management deletion

of an address in the lookup table. To delete an address, the address to be deleted is placed in Ethernet native

data format in this register, the VLAN in the delVLANID register, and the DEL bit is asserted. This register

defaults to 0x00.00.00.00.00.00 after reset. When the DEL state machine is operating, this register is locked

and no writes are performed to it.

delete VLANID register, delVLANID at 0x4E (DIO), byte 2

BIT

Reserved

VLANID

Initial Values After Reset

When the DEL bit in the adddelcontrol register is set, the delVLANID register contains VLANID code for the node

contained in the delnode registers. When the DELV bit is set, all addresses corresponding to this VLAN are

deleted. In this case, the delnode and delport registers are don’t cares.

This register is read/writeable. When performing a DEL or DELV operation, this register is locked and no writes

are made to it. A DELP operation does not lock this register.

delete port register, delport at 0x4F (DIO), byte 3

BIT

Reserved

Delport

Initial Values After Reset

The delport register is used with the DELP bit in the adddelcontrol register to delete all addresses assigned to

this port. In this mode, the delnode and delVLANID registers are don’t cares. This register is read/writeable. This

or DELV command does not lock this register.

TNETX15VE 数据表(PDF) 42 Page - Texas Instruments