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TM-4200GE Software
Signal Handling
FIGURE 25. The GPIO Configuration
4.4 GPIO Label Table
Table2 shows which GPIO inputs carry the different signals. The top line for each label contains the
default signal.
TABLE 2. GPIO Look-Up Table Input Labels
Input
Label Signal Description
I0 TTL_IN(EXT_TRIG) TTL-input 0. Used for external trigger.
FDV Internal signal. Frame Data Valid.
I1 TTL_IN(EXT_VD) TTL-input 1. Used for external vertical drive.
LDV Internal signal. Line Data Valid.
I2 CTRL2 Internal control signal.
TTL_IN(EXT_HD) TTL-input 2. Used for external horizontal drive.
I3 CTRL1 Internal control signal.
TTL_IN(INT) TTL-input 3. Used for external integration control.
I4 CAM_STROBE Internal signal. Strobe Input.
PULSE_GEN3 Pul se Generator 3 signals go here.