DAC8562T Datasheet, PDF (5/14 Pages) Texas Instruments – DAC8562T Evaluation Module

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EVM Overview
2 EVM Hardware
This section provide descriptions of the hardware and digital interfaces, and a quick-start guide.
2.1 Hardware Interface
Table 4 provides hardware descriptions.
Table 4. Hardware Description
Jumper Default Position
JP1
OPEN
JP2
OPEN
JP3
2-3
JP4
1-2
JP5
2-3
JP5
2-3
Description
LDAC GND tie. Selects between an LDAC signal from J2A with a
pullup resistor and GND.
RST GND tie. Selects between a RST signal from J2A with a pullup
resistor and GND.
SYNC selector. Selects the SYNC signal between J2.1 and J2.7.
VREF selector. Selects between the on-board reference and an
external reference.
LDAC selector. Selects between an LDAC signal from J2A.15 and
J2A.17.
VDD selector. Selects between 5VA on J3A.3 and an external supply
from TP2/VDD_EXT.
NOTE: For more details, view the Section 4.1.
2.2 Digital Interface
Some of the hardware options are also available using the DXP software when the jumpers are in their
default positions.
Jumper
JP4
JP5
JP7
JP8
Table 5. Software Description
Default Position
1-2
1-2
1-2
1-2
Description
PD selector. Enables/disables the power-down mode.
DCEN selector. Enables/disables the Daisy Chain feature.
RST selector. Reset state selector.
RSTSEL selector. Selects the output state of the DAC after a RST has
been asserted.
2.3 Quick-Start
This section explains a quick method to test the EVM's functionality without using a motherboard.
The minimum requirements are:
• An external source to provide the SPI master signals
• An external 5-V power supply
• A DC digital multimeter
SLAU650 – October 2015
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DAC8562T Evaluation Module
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