TC1796
Peripheral Units (Vol. 2 of 2)
Controller Area Network (MultiCAN) Controller
User’s Manual 22-174 V2.0, 2007-07
MultiCAN, V2.0
0 7rReserved
Read as 0; should be written with 0.
Table 22-15 Modification by Hardware of Bit Field RTO
Modification Condition
Set to
TTCFGR.IRO
During reset (TTCFGR.IRO = 0) and Configuration Mode (write of
TTCFGR.IRO by software)
Set to
TTCFGR.IRO
Each time a potential time master receives a reference message with
a higher priority than its own
Decrement by 1 Each time a potential time master receives a reference message with
a lower priority than its own until -127 is reached
Set to 127 When the S2 state is entered
Set to 0 When the TTCAN node has correctly transmitted its reference
message (it is the current time master)
or
when a potential master receives a reference message with a priority
lower than its own and its RTO is positive
Field Bits Type Description
To Next Page
Loading...