Texas Instruments ADS7854EVM-PDK, Руководство пользователя, Страница: 9 / 35

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ADSxx54EVM-PDK Initial Setup
5 ADSxx54EVM-PDK Initial Setup
This section presents the steps required to set up the ADSxx54EVM-PDK kit before operation.
5.1 Default Jumper Settings
A silkscreen plot detailing the default jumper settings is shown in Figure 4 . Table 6 explains the
configuration for these jumpers.
Figure 4. ADSxx54EVM Default Jumper Settings
Table 6. Default Jumper Configuration
Pin
Default Position Switch Description
Number
JP1 Open JP1.2 header connector to A0(-)
JP2 Open JP2.2 header connector to A0(+)
JP3 Open JP3.2 header connector to A1(-)
JP4 Open JP4.2 header connector to A1(+)
JP5 Closed Closed when configured in ±V
ref
range; open to support ±2 × V
ref
range
JP6 Closed Closed when configured in ±V
ref
range; Open to support ±2 × V
ref
range
Closed to connect onboard 2.5-V reference to REFIO_A; open when using
JP7 Closed
ADSxx54 internal reference
Closed to connect onboard 2.5-V reference to REFIO_B; open when using
JP8 Closed
ADSxx54 internal reference.
JP9 Open Open: onboard AVDD set to +5 V; closed: onboard AVDD set to +5.2 V
Short 2-3 selects onboard regulated AVDD supply; short 1-2 selects external
JP10 Short 2-3
AVDD through J1
9 SBAU209 – April 2014 ADS8354EVM-PDK and ADS7854EVM-PDK
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