Measurement-computing USB-7202 Manuel d'utilisateur télécharger pdf (Page 11)

USB-7202 User's Guide Functional Details

Board components

The USB-7202 components are shown in Figure 2.

1 Trigger/Sync connector 4 USB connector Pins 1-20 7 Pins 21-40

2 Pins 1-20 Trigger jumper (P6) 5 Pull-up/down jumper JP1 8 Trigger jumper (P7)

3 Power LED (top) and Status LED (bottom) 6 OEM connector 9 Sync jumper (P6)

Figure 2. Board components

USB connector

The USB connector provides +5 V power and communication. The voltage supplied through the USB

connector is system-dependent, and may be less than 5 V. No external power supply is required.

This connector operates in parallel with the OEM connector — do not connect to both the USB connector and

the OEM connector.

OEM connector

The OEM connector operates in parallel with the USB connector — do not connect to both the USB

connector and the OEM connector.

The OEM connector is a 0.1" box header. Pins 2, 4, 6, 8, and 10 provide a USB connection, as listed in the

connector pinout below:

OEM connector pinout

Pin Signal Name Pin Signal Name

1 N/C 2 VBUS

3 N/C 4 D-

5 N/C (do not connect anything to this pin) 6 D+

7 N/C (do not connect anything to this pin) 8 GND

9 N/C (do not connect anything to this pin) 10 SHIELD

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 25 26

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Measurement-computing USB-7202 Manuel d'utilisateur Page 11