TC1796
Peripheral Units (Vol. 2 of 2)
Controller Area Network (MultiCAN) Controller
User’s Manual 22-138 V2.0, 2007-07
MultiCAN, V2.0
Reference Message Entry
The reference message is defined as follows:
RME
Reference Message Entry
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0110GM 0
rw rw rw rw rw r
1514131211109876543210
TMV
rw
Field Bits Type Description
TMV [15:0] rw Time Mark Value
These bits determine the compare value for the next
time mark. This value is used for the next compare
action with the cycle time.
If the CAN node is a time master, the reference
message will be sent out when the time mark is
reached (see also TMR.RTO).
GM 27 rw Gap Mode
This bit determines how the scheduler of a time
master proceeds if the TTCAN node is “in a gap”.
0
B
The reference message will be sent according
to this RME entry (without respecting a
possible gap).
1
B
If the TTCAN node is “in a gap”, this RME entry
is discarded and the following entries are read.
EC [31:28] rw Entry Code
The entry code EC = 0110
B
defines this scheduler
memory entry as a reference message entry.
0 [26:16] r Reserved; read as 0; should be written with 0. Bits
are “don’t care” for scheduler operation when
EC = 0110
B
.
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