PIC18F97J60_11 Datasheet, PDF (251/492 Pages) Microchip Technology – 64/80/100-Pin, High-Performance, 1-Mbit Flash Microcontrollers with Ethernet

PIC18F97J60 FAMILY
TABLE 19-4: TRANSMIT STATUS VECTORS
Bit
Field
Description
55-52
51
50
49
48
47-32
31
30
29
28
27
26
25
24
23
22
21
20
19-16
15-0
Zero
Transmit VLAN Tagged Frame
Backpressure Applied
Transmit Pause Control Frame
Transmit Control Frame
Total Bytes Transmitted on Wire
Transmit Underrun
Transmit Giant
Transmit Late Collision
Transmit Excessive Collision
Transmit Excessive Defer
Transmit Packet Defer
Transmit Broadcast
Transmit Multicast
Transmit Done
Transmit Length Out of Range
Transmit Length Check Error
Transmit CRC Error
Transmit Collision Count
Transmit Byte Count
0
Frame’s length/type field contained 8100h which is the VLAN protocol
identifier.
Reserved, do not use.
The frame transmitted was a control frame with a valid pause opcode.
The frame transmitted was a control frame.
Total bytes transmitted on the wire for the current packet, including all
bytes from collided attempts.
The transmission was aborted due to insufficient buffer memory
bandwidth to sustain the 10 Mbit/s transmit rate.
Byte count for frame was greater than the MAMXFL registers.
Collision occurred after 64 bytes had already been transmitted.
Packet was aborted after the number of collisions exceeded 15, the
retransmission maximum.
Packet was deferred in excess of 24,287 bit times (2.4287 ms), due to a
continuously occupied medium.
Packet was deferred for at least one attempt, but less than an
excessive defer.
Packet’s destination address was a Broadcast address.
Packet’s destination address was a Multicast address.
Transmission of the packet was completed successfully.
Indicates that frame type/length field was larger than 1500 bytes
(type field).
Indicates that the frame length field value in the packet does not match
the actual data byte length and is not a type field. The FRMLNEN bit
(MACON3<1>) must be set to get this error.
The attached CRC in the packet did not match the internally generated
CRC.
Number of collisions the current packet incurred during transmission
attempts. It applies to successfully transmitted packets, and as such,
will not show the possible maximum count of 16 collisions.
Total bytes in frame, not counting collided bytes.
 2011 Microchip Technology Inc.
DS39762F-page 251