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USB-7202 User's Guide
Trigger/Sync connector
The Trigger/Sync connector provides two signals — SYNC and TRIG_IN. These signals are also available
on the screw terminal (refer to
Use a 0.1" box header when making connections to the Trigger/Sync connector.
The Trigger/Sync connector internally connects its SYNC and TRIG_IN pins to the screw terminal via
jumpers
and
.
P6
P7
Sync jumper (P6)
The Sync jumper internally connects the SYNC pin on the Trigger/Sync connector to the SYNC pin on the
screw terminal. Remove this jumper on boards that will not send/receive the SYNC signal through the
SYNC/TRIG connector. Refer to Figure 2 on page 11 for the location of this jumper.
Trigger jumper (P7)
The Trigger jumper internally connects the TRIG_IN pin on the Trigger/Sync connector to the TRIG_IN pin
on the screw terminal. Remove this jumper on boards that will not send/receive the TRIG signal through the
SYNC/TRIG connector. Refer to Figure 2 on page 11 for the location of this jumper.
LED indicators
The USB-7202 has LEDs for power and communication status. See Figure 2 on page 11 for the location of
each LED.
LED type
Indication
Power
Steady green: the device microcontroller is connected to a computer or external USB hub.
Blinking green: boot loader mode.
Status
Steady green: boot loader mode.
Blinking green: data is being transferred over the USB bus.
Trigger input
on page 14 for details about these signals).
Trigger/Sync connector pinout
Pin Signal Name
Pin Signal Name
1
TRIG_IN
3
N/C
5
SYNC
7
N/C
9
N/C
Figure 3. Jumper P6 and P7 schematic
12
2
GND
4
GND
6
GND
8
GND
10
N/CD
Functional Details
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