TC1796
Peripheral Units (Vol. 2 of 2)
Controller Area Network (MultiCAN) Controller
User’s Manual 22-176 V2.0, 2007-07
MultiCAN, V2.0
EFI 8rhError Frame Indication
This bit is set when an error condition in the bitstream
of a CAN frame is detected and an Error Frame will
be sent out. It is automatically cleared when the next
time mark is reached and its status at this moment is
monitored by bit EFF.
0
B
Since the last time mark, the CAN node has
detected no error condition in the CAN
bitstream.
1
B
Since the last time mark, the CAN node has
detected an error condition in the CAN
bitstream. When EFI becomes set, a LEC
interrupt can be generated by the CAN node.
EFF 9rhError Frame Flag
This bit monitors the Error Frame indication EFI
when a time mark is reached.
0
B
No CAN error has been detected in the last
time window.
1
B
A CAN error has been detected in the last time
window.
REFTRG 10 rh Reference Trigger Flag
This bit is set when the reference message of a
TTCAN node is intended to be sent. It is cleared
when the reference message has been sent out
correctly or a reference message has been received
correctly (sent by another time master).
ARB 11 rh Arbitration Window Flag
This bit is set when an arbitration window is opened.
It is cleared when the arbitration window is closed.
0
B
The current time window is a time-triggered
window.
1
B
The current time window is an arbitration
window.
Field Bits Type Description
To Next Page
Loading...
Need help?
General