Texas Instruments DRV8328 EVM Series, User Manual, Page: 12 / 29

Table 3-5. Connections for Header J3 on DRV8328AEVM (DNP in bold) (continued)
J3 Pin Number DRV8328AEVM Function LAUNCHXL-F280049C Function Description
7 Not used GPIO40/SCIBTX Not used
8 VSENB ADCINB0 Phase B Voltage Sense
9 nSLEEP_DFLT NC nSLEEP for internal use only.
10 VSENC ADCINC2 Phase C Voltage Sense
11 CTAP ADCINB3/VDAC Center tap voltage sense.
12 VSENPVDD ADCINB1 PVDD Bus Voltage Sense
13 Not used SPIACLK Not used
14 NC_MCU/POT_49C ADCINB2 General Purpose pot for MCU
(R90)
15 nFAULT_DFLT ADCINC4 nFAULT for internal use only.
16 ISENA ADCINC0 LSS current sense
17 Not used GPIO37 Not used
18 Not used ADCINA9 Not used
19 Not used GPIO35 Not used
20 VDSLVL/C_TAP ADCINA1/DACB_OUT VDSLVL from DAC. C_TAP for
internal use only.
Table 3-6. Connections for Header J4 on DRV8328AEVM
J4 Pin Number DRV8328AEVM Function LAUNCHXL-F280049C Function Description
1 INHA GPIO10/PWM6A PWM used to switch Phase A
High-side FET
2 GND GND GND connection
3 INLA GPIO11/PWM6B PWM used to switch Phase A
Low-side FET
4 MCU_LED SPIASTE Visual feedback for LaunchPad
connection.
5 INHB GPIO8/PWM5A PWM used to switch Phase B
High-side FET
6 nFAULT_DFLT NC nFAULT for internal use only.
7 INLB GPIO9/PWM5B PWM used to switch Phase B
Low-side FET
8 Not used NC Not used
9 INHC GPIO4/PWM3A PWM used to switch Phase C
High-side FET
10 Not used XRSn Not used
11 INLC GPIO5/PWM3B PWM used to switch Phase C
Low-side FET
12 Not used SPIASIMO Not used
13 HALLA GPIO58 Hall sensor A from motor
14 Not used SPIASOMI Not used
15 nSLEEP_49C GPIO30 nSLEEP signal (active low)
16 DRVOFF GPIO39 Active-high output to disable gate
drivers
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12 DRV8328xEVM User's Guide SLVUCD3A – NOVEMBER 2021 – REVISED AUGUST 2022
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