Infineon Technologies TC1796 - Page 1344

TC1796
Peripheral Units (Vol. 2 of 2)
Controller Area Network (MultiCAN) Controller
User’s Manual 22-49 V2.0, 2007-07
MultiCAN, V2.0
Figure 22-20 Transmission of a Message Object
yes
MCA05846
RTSEL = 1?
NEWDAT = 1?
TXIE =1?
RTSEL := 1
NEWDAT := 0
no
yes
1
2
3
Copy Message to
internal transmit buffer
MSGVAL & TXRQ &
TXEN0 & TXEN1 = 1
continuously valid
Request transmission
of internal buffer on
CAN bus
yes
Transmission
successful?
yes
yes
MSGVAL &
RTSEL =1?
yes
TXRQ := 0
Issue interrupt
no
no
no
no
no
Time
Milestones
Done
Object wins transmit
acc. filtering