86
•
Appendix B: GPIO Control
GPIO Output Labels
Signal
Label
Description
GPIO OUTPUT 0
Q0
GPIO output 0
GPIO OUTPUT 1
Q1
GPIO output 1
GPIO OUTPUT 2
Q2
GPIO output 2
GPIO OUTPUT 3
Q3
GPIO output 3
EXSYNC
Q4
EXSYNC
PRIN
Q5
PRIN
DIRECTION
Q6
Camera forward and reverse control.
CAM_CTRL (NOT
USED_
Q7
•
CC4 signal. Not used.
PULSE_TRIG1
Q8
Trigger for pulse generator 1. Used only when the
pulse generator is in triggered mode.
If available, can be used by one of the following
modules:
•
Rescaler 0 input
•
Delayer 0 reference signal
•
Counter 0 clear event input
•
Timestamp counter set event input
•
Timestamp counter clear event input
PULSE_TRIG0
Q9
Trigger for pulse generator 0. Used only when the
pulse generator is in triggered mode.
If available, can be used by one of the following
modules:
•
Rescaler 0 input
•
Delayer 0 reference signal
•
Counter 0 clear event input
•
Timestamp counter set event input
Timestamp counter clear event input
PULSE_TRIG3
Q10
Trigger for pulse generator 3. Used only when the
pulse generator is in triggered mode.
If available, can be used by one of the following
modules:
•
Rescaler 0 input
•
Delayer 0 reference signal
•
Counter 0 clear event input
•
Timestamp counter set event input
Timestamp counter clear event input
PULSE_TRIG2
Q11
Trigger for pulse generator 2. Used only when the
pulse generator is in triggered mode.
If available, can be used by one of the following
modules:
•
Rescaler 0 input
•
Delayer 0 reference signal