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GS-1750R Datasheet(PDF) 46 Page - Analog Devices

Part No. GS-1750R
Description  ADSP-BF506F EZ-KIT Lite® Evaluation System Manual
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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GS-1750R Datasheet(HTML) 46 Page - Analog Devices

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Jumpers
2-12
ADSP-BF506F EZ-KIT Lite Evaluation System Manual
Voltage Reference Select Jumper (JP2)
The voltage reference select jumper (JP2) selects between a 2.5V on-chip
reference and an external voltage reference. When the jumper is installed
on positions 2 and 3, the on-chip 2.5V reference is used. When the
jumper is installed on positions 1 and 2, an external reference can be con-
nected to the ADC through the DCAPA and DCAPB signals (see “ADC
Voltage Reference (JP6)” on page 2-13). By default, JP2 is installed on
positions 2 and 3.
VDDEXT Power Jumper (JP3)
The VDDEXT power jumper (JP3) is used to measure the processor’s I/O
voltage and current. By default, JP3 is ON, and the current flows through
the two-pin IDC header. To measure power, remove the jumper on JP3
and measure the voltage across the precision resistor and resistance value.
For more information, refer to “Power Measurements” on page 1-12.
VDDINT Power Jumper (JP4)
The VDDINT power jumper (JP4) is used to measure the processor’s core
voltage and current. By default, JP4 is ON, and the current flows through
the two-pin IDC header. To measure power, remove the jumper on JP4
and measure the voltage across the precision resistor and resistance value.
For more information, refer to “Power Measurements” on page 1-12.
VDDFLASH Power Jumper (JP5)
The VDDFLASH power jumper (JP5) is used to measure the internal par-
allel flash voltage and current. By default, JP5 is ON, and the current flows
through the two-pin IDC header. To measure power, remove the jumper
on JP5 and measure the voltage across the precision resistor and resistance
value. For more information, refer to “Power Measurements” on
page 1-12.


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