cx82100 Conexant Systems, Inc., cx82100 Datasheet - Page 110

• Manufacturer Part Number: cx82100
• Description: Home Network Processor Hnp
• Manufacturer: Conexant Systems, Inc.

7.7.3
Table 7-3. Transmit Status Format
7-12
Bit(s)
29:21
20:17
31
30
16
15
14
13
12
11
10
9
8
Default
1’b0
1’b0
4’b0
1’b0
1’b0
1’b0
1’b0
1’b0
1’b0
1’b0
1’b0
1’b0
Transmit Status (TSTAT)
Type
*, **
*, **
Conexant Proprietary and Confidential Information
**
**
**
**
**
**
The contents of the Transmit Status (TSTAT) are described in Table 7-3.
CX82100 Home Network Processor Data Sheet
TDN
TU
TS
TOF
TUF
ED
DF
CD
ES
RLD
TF
TJT
Name
Transmit Completed.
Transmit Stopped.
Unused.
Transmit State.
For test only.
Transmit Buffer Manager FIFO Overflow.
Transmit Buffer Manager FIFO Underflow.
Excessive Transmit Deferrals.
Frame Deferred.
Frame Transmit Completed.
Transmit Error Summary.
Reload.
Transmit Fault (from MII Interface).
Transmit Jabber Timeout.
E_NA_HUJ and E_NA_HUJ must be configured for this bit to function.
0 = Transmit not completed successfully.
1 = Transmit completed successfully (from buffer manager).
0 = Transmit not stopped.
1 = Transmit stopped (descriptor not ready).
0 = MII transmitter state inactive.
1 = MII transmitter state active (except during setup frames).
0 = Transmit buffer manager FIFO overflow has not occurred
1 = Transmit buffer manager FIFO overflow has occurred.
0 = Transmit buffer manager FIFO underflow has not occurred
1 = Transmit buffer manager FIFO underflow has occurred (MIB11).
0 = Excessive deferral did not occur.
1 = The HNP is attempting to transmit and is deferred longer than:
0 = Frame has not been deferred at least once (MIB8).
1 = Frame has been deferred at least once (MIB8).
0 = Frame transmit not completed successfully (from MII interface).
1 = Frame transmit completed successfully (from MII interface).
0 = Frame has not been deferred at least once (MIB8).
1 = Transmitter error summary (TF or C16 or LC or NCRS or LCRS
0 = Frame has not been deferred at least once (MIB8).
1 = Transmit FIFO reload/abort during frame (includes collisions).
0 = Unexpected transmit data request during frame has not
1 = Unexpected transmit data request during frame has occurred.
0 = Jabber timer not expired.
1 = Jabber timer expired.
(MIB11).
(MIB11).
or TJT).
occurred.
10 Mbps: 8192 x 400 ns
100 Mbps: 81920 x 40 ns
Description
101306C