Texas Instruments ADC-PHI-PRU-EVM, User Manual

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1 Introduction
The ADC-PHI-PRU-EVM evaluation adapter card interfaces the Sitara ™ AM64x processor ( TMDS64GPEVM )
or AM243x MCU ( TMDS243GPEVM ) development platforms to greater than 25 precision ADC EVMs for
communication, data capture, and software development. The adapter card routes the ICSSG-PRU signals
to the corresponding serial (SPI and eSPI) or parallel ADC data communication interfaces. The adapter card
offers configurability through two jumpers that select between serial or parallel connections, and also offers a
user-selectable digital power to match the required digital and analog supply voltage levels of the precision ADC
EVM. The programmability of the Sitara ICSSG-PRU peripheral allows for high-speed data capture along with
data preprocessing. Remove the extra microcontroller (MCU) or field-programmable gate array (FPGA) on your
current design and start your system precision analog-to-digital converter (ADC) and AM64x, AM243x software
development today with the ADC-PHI-PRU-EVM.
Table 1-1 lists the precision EVMs compatible with the ADC-PHI-PRU-EVM.
Table 1-1. ADC-PHI-PRU-EVM Compatible Precision ADC EVMs
EVM
CONVST Connection
(J2)
MUX Mode Selection
(J9)
DVDD Power Supply
Voltage (J11)
Comments
AMC131M03EVM-PDK Serial 3.3 V
ADC128S102EVM Serial 3.3 V
ADS127L11EVM Serial 1.8 V
ADS1285EVM-PDK Serial 3.3 V
ADS131A04EVM Serial 3.3 V
ADS131B04-Q1EVM Serial 3.3 V
ADS131B26Q1EVM-PDK Serial 3.3 V
ADS131M04EVM Serial 3.3 V
ADS704x-5xEVM Serial 3.3 V
ADS8168EVM-PDK Serial 3.3 V
ADS8332V2EVM-PDK PRU1_GPIO17 Serial 3.3 V
ADS8353Q1EVM-PDK Serial 3.3 V
ADS8588SEVM-PDK PRU1_GPIO17 Parallel 3.3 V Short CONVST A/B together
ADS8681EVM-PDK PRU1_GPIO17 Serial 3.3 V
ADS8686SEVM-PDK PRU1_GPIO17 Parallel 3.3 V
ADS8688EVM-PDK Serial 3.3 V
ADS8860V2EVM-PDK PRU1_GPIO17 Serial 3.3 V
ADS8881V2EVM-PDK PRU1_GPIO17 Serial 3.3 V
ADS8900BV2EVM-PDK PRU1_GPIO17 Serial 3.3 V
ADS9110EVM-PDK PRU1_GPIO17 Serial 3.3 V
TLV2553EVM-PDK Parallel 3.3 V
1.1 Features
• Provides connection for the AM64x PRU and GPIO pins to the ADC interface for high-speed, flexible, data
acquisition, and device configuration
• 5.5-V boosted supply from the AM64x TMDS64GPEVM 5-V supply rail using the TPS61096A
• Jumper configurable support for serial (SPI) and parallel data types (J9)
• Precision ADC EVM DVDD voltages of 1.8 V and 3.3 V are available with jumper configuration (J11)
• No external MCU or processing chip required to interface the TMDS64GPEVM and precision ADC EVM
www.ti.com Introduction
SBAU396 – MAY 2022
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