
XC886/888CLM
Controller Area Network (MultiCAN) Controller
User’s Manual
15-29
V1.3, 2010-02
MultiCAN, V1.0
Figure 15-11 Reception of a Message Object
RTSEL :=1
Obj. wins acc. filtering
CANrec. successful
MSGVAL&RTSEL
=1
NEWDAT =1
NEWDAT :=1
RXUPD:=0
RXPND:=1
MSGLST :=1
DIR=1
TXRQ :=1 in this
or in foreign obj.
Get Data from
gateway/fifo
source
Start receiving
CANframe
Done
Copy Frame to
Message Obj.
MSGVAL=1
Done
RXUPD:=1
Copy Frame to
Message Obj.
RXUPD:=1
no
yes
Issue Interrupt
RXIE=1
1
2
3
4
time milestones
no
yes
msgobj_receive