Initial Setup; Default Jumper Settings; Ads8686Sevm Default Jumper Settings - Texas Instruments ADS8686SEVM-PDK User Manual

Initial Setup

5 Initial Setup
This section explains the initial hardware and software setup procedure that must be completed for the
proper operation of the ADS8686SEVM-PDK.
5.1

Default Jumper Settings

Install a shunt at JP6 to select the internal reference. Install a shunt between JP7 (pins 2 and 3) as shown
in Figure 4 to connect the onboard regulated AVDD 5.0-V supply.
settings. Table 5 explains the configuration for these jumpers. When the EVM is paired with the PHI
board, the jumper selections on JP1 thru JP5 have no effect in either hardware or software mode. The
GUI provides user-selectable options to control these settings and overrides the jumper selection. When
the EVM is used standalone, the jumper settings take effect in the device settings.
Jumper Function
CHSEL0,
JP1, JP3, JP5 CHSEL1,
CHSEL2
HW_RNGSEL0,
JP2, JP4
HW_RNGSEL1
JP6 REFSEL
JP7 AVDD Ext
10
ADS8686SEVM-PDK Evaluation Module
Figure 4. ADS8686SEVM Default Jumper Settings
Table 5. Default Jumper Configuration
Default Position
Open 1-2 logic high, 2-3 logic low. Programs the channel sequencer.
Open 1-2 logic high, 2-3 logic low. Selects the analog input range.
Closed Open selects the external reference; closed selects the internal reference
Closed between
2-3 external source regulated with the onboard LDO to the AVDD 5.0-V supply
pins 2 and 3
Copyright © 2019, Texas Instruments Incorporated
Figure 4 details the default jumper
Description
SBAU319 – November 2019
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