Table 4-6. Connections for Header J2 on DRV8311HEVM (continued)
J2 Pin Number
DRV8311HEVM Function
LAUNCHXL-F280049C Function Description
7
INLB/PWM_SYNC
GPIO9/PWM5B
PWM used to switch Low-side
FET of Phase B (DRV8311H and
DRV8311S), or PWM used to
synchronize PWM signals with
MCU (DRV8311P)
8
Not used
NC
Not used
9
INHC
GPIO4/PWM3A
PWM used to switch High-side
FET of Phase (DRV8311H and
DRV8311S only)
10
Not used
XRSn
Not used
11
INLC
GPIO5/PWM3B
PWM used to switch Low-side
FET of Phase C (DRV8311H and
DRV8311S only)
12
SDI
SPIASIMO
SPI data input (DRV8311S and
DRV8311P only)
13
HALLA
GPIO58
HALL sensor A from motor
14
SDO
SPIASOMI
SPI data output (DRV8311S and
DRV8311P only)
15
HALLB
GPIO30
HALL sensor B from motor
16
Not used
GPIO39
Not used
17
Not used
GPIO18/XCLKOUT (not
connected)
Not used
18
Not used
GPIO23/LED4
LED reserved on LaunchPad
19
CSA_REF (DNP)
GPIO25
For internal use only
20
MCU_LED
GPIO59
Visual feedback for LaunchPad
connection
Hardware and Software Overview
14
DRV8311HEVM User's Guide
SLOU552 – JULY 2021
Copyright © 2021 Texas Instruments Incorporated
