Infineon Technologies TC1784, User Manual

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TC1784
System Control Unit (SCU)
User´s Manual 3-101 V1.1, 2011-05
32-bit SCU, V1.18
Field Bits Type Description
EXIS2 [5:4] rw External Input Selection 2
This bit field determines which input line is selected
for Input Channel 2.
00
B
Input 20 is selected
01
B
Input 21 is selected
10
B
Input 22 is selected
11
B
Input 23 is selected
FEN2 8 rw Falling Edge Enable 2
This bit determines if the falling edge of Input Channel
2 is used to set bit INTF2.
0
B
The falling edge is not used
1
B
The detection of a falling edge of Input Channel
2 generates a trigger event (INTF3 becomes
set)
REN2 9 rw Rising Edge Enable 2
This bit determines if the rising edge of signal Input
Channel 2 is used to set bit INTF2.
0
B
The rising edge is not used
1
B
The detection of a rising edge of Input Channel
2 generates a trigger event (INTF2 becomes
set)
LDEN2 10 rw Level Detection Enable 2
This bit determines if bit INTF2 is cleared
automatically if an edge of the input Input Channel 2
is detected, which has not been selected (rising edge
with REN2 = 0 or falling edge with FEN2 = 0).
0
B
Bit INTF2 will not be cleared
1
B
Bit INTF2 will be cleared
EIEN2 11 rw External Input Enable 2
This bit enables the generation of a trigger event for
request channel 2 (e.g. for interrupt generation) when
a selected edge is detected.
0
B
The trigger event is disabled
1
B
The trigger event is enabled