Datasheet

Table 23 GPIO Trigger Commands
Command Description
SET GPIO TRIGger [1 | 0| DIS] <gpio-
num>
Sets a single control bit. The setting only takes
effect if the GPIO signal is not selected for a special
function operation and is configured to be an input.
The parameter after the TRIG keyword controls the
operation as follows:
Enable trigger if the specified GPIO signal transitions
from a 0 to a 1.
1 Enable trigger if the specified GPIO
transitions from a 1 to a 0
0 Enable trigger if the specified GPIO
transitions from a 0 to a 1
DIS Disable all triggers for the specified GPIO
signal.
<gpio-num> must be in the range 1-8.
NOTE: <gpio-num> is 7 for GPIO_9 and 8 for
GPIO_10 (GPIO_7 and GPIO_8 are not settable by
the user)
NOTE: Setting a trigger condition resets all
undefined trigger strings for triggers that are enabled
to the default string value.
NOTE: The trigger configuration is not changed by a
configuration reset to default.
SHOW GPIO TRIGger Shows current GPIO trigger conditions. Note that a
GPIO may be enabled for two trigger conditions, one
for a 0 to 1 transition, and one for a 1 to 0 transition.
If a GPIO is set for its special function, no trigger is
possible on that pin.
Example:
Part Number 40183-101 Silex SX-550 Developer's Guide Page 60