Infineon Technologies TC1796 - Page 1465

TC1796
Peripheral Units (Vol. 2 of 2)
Controller Area Network (MultiCAN) Controller
User’s Manual 22-170 V2.0, 2007-07
MultiCAN, V2.0
ETESEL [3:2] rw External Trigger Event Selection
This bit field determines the source of the external
trigger event that can be used to trigger a
transmission of the reference message. The
transmission of the reference message will be
triggered only when the external event is detected
and the external trigger request bit TTSR.ETR is set
(= 1).
00
B
Reserved; external trigger does not trigger the
transmission of the reference message.
01
B
A negative edge at an external trigger input
ECTTx (as selected by ETSSEL) triggers the
transmission of the reference message.
10
B
A positive edge at an external trigger input
ECTTx (as selected by ETSSEL) triggers the
transmission of the reference message.
11
B
A negative or positive edge at an external
trigger input ECTTx (as selected by ETSSEL)
triggers the transmission of the reference
message.
ETSSEL [6:4] rw External Trigger Source Selection
This bit fields selects the input source for the external
reference message trigger.
000
B
No external trigger possible.
001
B
External trigger input line ECTT1 selected.
010
B
External trigger input line ECTT2 selected.
010
B
External trigger input line ECTT3 selected.
100
B
External trigger input line ECTT4 selected.
101
B
External trigger input line ECTT5 selected.
110
B
External trigger input line ECTT6 selected.
111
B
External trigger input line ECTT7 selected.
Field Bits Type Description