Texas Instruments AMC7812EVM-PDK, Руководство пользователя

Страница: 12 / 33

AMC7812EVM Hardware Overview
www.ti.com
Table 6. AMC7812EVM ADC Signal
Connections (continued)
Name Connector Description
ADC7 J2-10 ADC channel 7 input
ADC8 J2-12 ADC channel 8 input
ADC9 J2-14 ADC channel 9 input
ADC10 J3-4 ADC channel 10 input
ADC11 J3-6 ADC channel 11 input
ADC12 J3-8 ADC channel 12 input
ADC13 J3-10 ADC channel 13 input
ADC14 J3-12 ADC channel 14 input
ADC15 J3-14 ADC channel 15 input
4.6 DAC Signal Pins
The 12 DAC voltage outputs of the AMC7812 device are accessible through the J2 and J3 connectors, as
shown in
Table 4 . The DAC voltage ranges are configurable through software to either 5 or 12.5 V.
Table 7. AMC7812EVM DAC Signal Connections
Name Connector Description
DACC0 J2-3 DAC-C0 output
DACC1 J2-5 DAC-C1 output
DACD2 J2-7 DAC-D2 output
DACD3 J2-9 DAC-D3 output
DACD4 J2-11 DAC-D4 output
DACD5 J2-13 DAC-D5 output
DACB6 J3-3 DAC-B6 output
DACB7 J3-5 DAC-B7 output
DACA8 J3-7 DAC-A8 output
DACA9 J3-9 DAC-A9 output
DACA10 J3-11 DAC-A10 output
DACA11 J3-13 DAC-A11 output
4.7 GPIO Signal Pins
The four GPIO signals on the EVM can be measured on the J4 header. Table 8 provides a signal
description of the J4 header.
Table 8. AMC7812EVM GPIO Signal Definition
(1)
Name Connector Description
GPIO0 J4-4 General-purpose I/O (GPIO0)
GPIO1 J4-3 General-purpose I/O (GPIO1)
GPIO2 J4-2 General-purpose I/O (GPIO2)
GPIO3 J4-1 General-purpose I/O (GPIO3)
(1)
The remote sensor channels, D1+/D1– and D2+/D2–, can be configured as GPIO, if remote
temperature sensors are not needed. Use a shunt to connect JP6 to remove the connection to the
onboard remote temperature sensors.
12 AMC7812EVM-PDK User’s Guide SBAU177D – September 2010 – Revised August 2014
Submit Documentation Feedback
Copyright © 2010–2014, Texas Instruments Incorporated