TXC-06880BIOG Transwitch Corporation, TXC-06880BIOG Datasheet - Page 106

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TXC-06880BIOG

Manufacturer Part Number
TXC-06880BIOG
Description
Manufacturer
Transwitch Corporation
Datasheet

Specifications of TXC-06880BIOG

Operating Supply Voltage (typ)
1.8/3.3V
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TXC-06880BIOG
Manufacturer:
SAMWHA
Quantity:
34 000
4084
Envoy-CE2 Device
DATA SHEET
TXC-06880
1 0 6 o f 1 2 2
(hex)
Addr
RW
RO
RW
RO
RW
Mode
0
1
2
15-3
16
17
18
20-19
21
Range
Bit
Port 0 Ethernet Status and Configuration Register Description
value after
0
0
0
0
0
0
0
0
Default
reset
-
Memory Maps and Bit Descriptions
Rx Prepend Packet: Prepend receive packets with 2 dummy bytes
(0X00000000) prior to sending to the SPI-3 output interface.
Tx Prepend Strip: Strip out Prepend bytes received from the SPI-3 input
interface.
Reserved
Host Initiated Flow Control Enable: Once enabled, a Pause Control
Frame is transmitted, when the Pause Regeneration Timer reaches ‘0’.
The timer will reactivate after it reaches ‘0’. When exiting this mode, a null
Pause Frame is sent.
0 - Disable
1 - Enable
Note: Raise carrier flow mechanism can not be host initiated.
Automatic Flow Control Enable: In this mode, when the ingress FIFO
associated with this port reaches flow control high threshold, the flow
control mechanism is activated. For full duplex, Pause Control Frames
are used and for half duplex mode, raise carrier method is used.
0 - Disable
1 - Enable
Note: Set Flow Control Mode (Bit 30) to Raise Carrier or PAUSE frame
depending whether the Port is in half duplex or full duplex.
STEN: Statistics Enable.
0 - Disables internal statistics counters update
1 - Enables internal statistics counters to update
Reserved
Tx Source Address Substitute Enable: Transmitter Source Address
Substitution Enable.
1 - Substitute the outgoing source address field in the Ethernet header
with the programmed source address in the MAC (Addresses 0x4040 and
0x4044).
Tx Pause Frame Filter: When set, will enable filtering of Egress Pause
Frames from the SPI interface. Pause frames whose EtherType =
8808h and OpCode = 0001h will be errored by forcing the MAC to
append an incorrect CRC.
Note: The RMON statistics counters will count the number of filtered
pause frames. The statistics counters will also count each filtered
pause frame as a Tx Fragment.
Description
-
PRELIMINARY TXC-06880-MB, Ed. 4
February 2005

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