Table of Contents
Advertisement
Hardware and Software Overview
2.4
Interfacing DRV8320RS and TMS320F280049C LaunchPad
The DRV8320RS device has 40 pins with different functions. These pins are interfaced with the
LAUNCHXL-F280049C, which is mapped appropriately to receive the functionality of the BoosterPack
plug-in module. These 40 pins are grouped into 4 ports.
TMS320F280049C device.
BOOSTXL-DRV8320RS
Function
J1 Header
1
2
PGA Ground
3
Enable
4
nFault
5
6
7
SPI Clock
8
9
10
BOOSTXL-DRV8320RS
J2 Header
Function
20
Ground
19
nSCS
18
17
16
15
14
13
12
11
8
BOOSTXL-DRV8320RS EVM User's Guide
Table 1. J1 BOOSTXL-DRV8320RS Pin Connections
LAUNCHXL-F280049 Site1
Function
3.3 V
3.3 V
PGA1/3/5_GND
GPIO13
GPIO40
—
—
GPIO56 (SPI CLK)
—
—
—
Table 2. J2 BOOSTXL-DRV8320RS Pin Connections
LAUNCHXL-F280049 Site1
Function
Ground
GPIO57
—
—
—
SDI
GPIO16 (SPI MOSI)
SDO
GPIO17 (SPI MISO)
—
—
—
Copyright © 2018–2019, Texas Instruments Incorporated
Table 1
lists the interfacing of these ports with the
LAUNCHXL-F280049
Site2 Function
3.3 V
PGA2/6/6_
GPIO28
GPIO29
GPIO22
LAUNCHXL-F280049
Site2 Function
Ground
GPIO27
GPIO24
GPIO31
SPRUIJ3A – November 2018 – Revised August 2019
Submit Documentation Feedback
www.ti.com
Description
3.3 V LaunchPad supply
Current sense ground
Logic low to enter a low-
power sleep mode
Pulled logic low during a
fault condition
Clock source for SPI
Description
Device Ground
Active low enables serial
interface communication
Data input to DRV832xx
Data output from
DRV832xx
Advertisement
Table of Contents
