Infineon Technologies TC1796 - Page 1470

TC1796
Peripheral Units (Vol. 2 of 2)
Controller Area Network (MultiCAN) Controller
User’s Manual 22-175 V2.0, 2007-07
MultiCAN, V2.0
The Time Trigger Status Register TTSR contains the time trigger status information that
does not lead directly to interrupt events.
TTSR
Time Trigger Status Register (2C8
H
) Reset Value: 0000 0000
H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0
ETR
EV
ETR NIG 0 MSCMAX 0 MSCMIN
rrhrhrhrrhrrh
1514131211109876543210
REC
F
TRA
F
TM
PC
CFG
M
ARB
REF
TRG
EFF EFI 0 SYNCS MSR ERRS
rh rh rh rh rh rh rh rh r rh rh rh
Field Bits Type Description
ERRS [1:0] rh Error State
This bit field indicates the current error severity level.
00
B
No error
01
B
Warning
10
B
Error
11
B
Severe error
MSR [3:2] rh Master-Slave Relation
This bit field indicates the current master to slave
relation of the TTCAN node.
00
B
Master off
01
B
Slave (receiving device)
10
B
Potential time master
11
B
Current time master
SYNCS [5:4] rh Synchronization State
This bit field indicates the current synchronization
state of the TTCAN node.
00
B
Sync off
01
B
Synchronizing
10
B
In gap
11
B
In schedule