Table 4-5. Connections for Header J3 on DRV8317HEVM (DNP in bold) (continued)
J3 Pin Number
DRV8317HEVM Function
LAUNCHXL-F280049C Function Description
5
Not used
GPIO13/SCIBRX
Not used
6
VSENA
ADCINA5
Phase A Voltage Sense
7
HALLC
GPIO40/SCIBTX
Hall sensor C from motor
8
VSENB
ADCINB0
Phase B Voltage Sense
9
nSLEEP (DNP)
NC
For internal use only
10
VSENC
ADCINC2
Phase C Voltage Sense
11
Not used
ADCINB3/VDAC
Not used
12
VSENVM
ADCINB1
VM Bus Voltage Sense
13
SCLK
SPIACLK
SPI Clock (DRV8317S only)
14
ISENA
ADCINB2
Phase A low side Current Sense
15
nFAULT (DNP)
ADCINC4
For internal use only
16
ISENB
ADCINC0
Phase B low side Current Sense
17
nSLEEP
GPIO37
Active-low input to sleep pin
18
ISENC
ADCINA9
Phase C low side Current Sense
19
nFAULT
GPIO35
Active-low output from fault pin
20
C_TAP
ADCINA1
ADC for Center Tap sensing
Table 4-6. Connections for Header J4 on DRV8317HEVM
J4 Pin Number
DRV8317HEVM Function
LAUNCHXL-F280049C Function Description
1
INHA
GPIO10/PWM6A
PWM used to switch High-side
FET of Phase A
2
AGND
GND
GND connection
3
INLA
GPIO11/PWM6B
PWM used to switch Low-side
FET of Phase A
4
nSCS
SPIASTE
SPI active-low chip select
(DRV8317S only)
5
INHB
GPIO8/PWM5A
PWM used to switch High-side
FET of Phase B
6
Not used
NC
Not used
7
INLB
GPIO9/PWM5B
PWM used to switch Low-side
FET of Phase B
8
Not used
NC
Not used
9
INHC
GPIO4/PWM3A
PWM used to switch High-side
FET of Phase
10
Not used
XRSn
Not used
11
INLC
GPIO5/PWM3B
PWM used to switch Low-side
FET of Phase C
12
SDI
SPIASIMO
SPI data input
13
HALLA
GPIO58
HALL sensor A from motor
14
SDO
SPIASOMI
SPI data output (DRV8317S only)
15
HALLB
GPIO30
HALL sensor B from motor
16
Not used
GPIO39
Not used
Hardware and Software Overview
12
DRV8317HEVM User's Guide
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