UM2360
User manual
Getting started with the X-NUCLEO-IHM17M1 low voltage 3-phase brushless DC
motor driver expansion board based on STSPIN233
Introduction
The X-NUCLEO-IHM17M1 is a low voltage three-phase brushless DC motor driver expansion board based on STSPIN233
STM32 Nucleo. It is an affordable and easy-to-use solution with motor driver operation in low voltage battery scenarios, allowing
zero consumption state (such as in thermal printers, robotics, toys, etc..).
The X-NUCLEO-IHM17M1 supports the addition of other boards to a single STM32 Nucleo board through the Arduino UNO R3
and the ST morpho connectors.
Furthermore, the board is designed for six-step and FOC algorithms.
Figure 1. X-NUCLEO-IHM17M1 expansion board
for
UM2360 - Rev 1 - February 2018
For further information contact your local STMicroelectronics sales office.
www
.st.com/
1 Hardware and software requirements
To use the STM32 Nucleo development boards with the X-NUCLEO-IHM17M1 expansion board, the following
software and hardware are required:
•
a Windows PC (XP
• an X-NUCLEO-IHM17M1 expansion board
• an STM32 Nucleo development board (NUCLEO-F030R8, NUCLEO-F103RB, NUCLEO-F302R8 or
NUCLEO-F401RE)
• a type A USB to mini-B USB cable to connect the STM32 Nucleo board to the PC
• the X-CUBE-SPN17 software package (available on www.st.com)
• an IDE chosen among IAR Embedded Workbench for ARM (IAR-EWARM), Keil microcontroller development
kit (MDK-ARM-STM32) and system workbench for STM32 Nucleo project (SW4STM32)
• three-phase brushless DC motor with compatible voltage and current for STSPIN233 driver
• an external power supply or battery able to provide the voltage required by the brushless motor used
, Vista 7 , Win 8, Win 10 ) to install the software package
UM2360
Hardware and software requirements
UM2360 - Rev 1
page 2/18
2 Getting started
UM2360
Getting started
The X-NUCLEO-IHM17M1
applications.
The board maximum ratings are:
Power stage supply voltage from 1.8 to 10 V
•
• Motor phase current up to 1.3 A
To start your project with the board:
Procedure Step 1. Check the jumper position of your configuration (see Section 3 Hardware description and configuration)
Step 2. Connect the X-NUCLEO-IHM17M1 with the STM32 Nucleo development board through ST morpho
connectors (CN7, CN10)
Step 3. Supply the board through input 2 (Vin) and 1 (GND) of the J2 connector: the D10 (red) LED turns on
Step 4. Develop your application using the examples provided with the firmware library
Further support material is available at STSPIN233 and STM32 Nucleo
expansion board is a three-phase brushless DC motor driver covering a wide range of
rms
UM2360 - Rev 1
page 3/18
3 Hardware description and configuration
CN10 Morpho
connector
EN/FAULT LED
CN5 Arduino UNO R3
connector
CN9 Arduino UNO R3
connector
VDD
STSPIN233
Motor driver
Ground
Speed reference
trimmer
input connector
Ground
CN7 Morpho
connector
CN6 Arduino UNO R3
connector
FOC/6STEP
selection
TSV994 Quad op-amp
Motor connector,
test points and LEDs
Supply connector
3 shunt/1 shunt
VS
CN8 Arduino UNO R3
connector
Hall effect sensor output
pull-up
The figure below shows the board connector and jumper positions.
Figure 2. X-NUCLEO-IHM17M1 jumper and connector positions
UM2360
Hardware description and configuration
UM2360 - Rev 1
The table below shows ST morpho connector detailed pinout.
page 4/18
Hardware description and configuration
Table 1. ST morpho connectors
Connector
Pin
(1)
CN7 1 Enable 1 ENU input
2 Enable 2 ENV input
3 Enable 3 ENW input
12 VDD
16 VDD
17 H1/Encoder A Mounting option R12 (default)
18 5 V
20 Ground
22 Ground
28 H1/Encoder A Mounting option R10
30 H2/Encoder B
32 Current reference Mounting option R9
34 Current feedback 3
35 SPEED reference
36 BEMF sensing 1
37 BEMF sensing 2
38 BEMF sensing 3
CN10 1 BEMF GPIO Enable/disable voltage divider
12 Stop PWM (ETR)
13 Current reference Mounting option R14
14 EN/FAULT Mounting option R2
15 Current feedback 1 Mounting option R5 (default)
16 Current feedback 1 Mounting option R1
21 IN2 INV input
23 IN1 INU input
24 Current feedback 2
25 H3/Encoder Z
26 Current feedback 1 Mounting option R3
27 Current reference Mounting option R11 (default)
28 EN/FAULT Mounting option R4
29 Standby
33 IN3 INW input
1.
All the non-listed pins are not connected
34 Bus voltage feedback Mounting option R7
Signal Remarks
Bus voltage feedback Mounting option R8
EN/FAULT Mounting option R6
UM2360
UM2360 - Rev 1
X-NUCLEO-IHM17M1 is equipped with screw connectors for motor and power supply, jumpers for selecting
The
the single-shunt or three-shunt operation and a connector for Hall effect sensors (refer to the table below).
page 5/18
Selecting the STM32 Nucleo board
Table 2. Other connectors, jumpers and test points
Reference Pins Label Description
J2 1, 2 Vin – GND Supply voltage
J3 1, 2, 3 U – V – W Motor phases
J4 1, 2, 3 - Hall effect sensor/Encoder inputs
JP2 1, 2 Hall effect sensor pull-up
JP3 1, 2, 3 3 Sh – 1 Sh Three shunt/single shunt topology
JP4 1, 2, 3 3 Sh – 1 Sh Three shunt/single shunt topology
JP5 1, 2 FOC/6STEP configuration
JP6 1, 2 FOC/6STEP configuration
TP1 GND Ground
TP2 OUT U test point
TP3 OUT V test point
TP4 OUT W test point
TP5 VDD test point
TP6 GND Ground
TP7 VS Supply voltage test point
UM2360
3.1 Selecting the STM32 Nucleo board
This expansion board natively supports the following STM32 Nucleo development boards:
• NUCLEO-F401RE
• NUCLEO-F302R8
• NUCLEO-F103RB
• NUCLEO-F030R8
Before starting to work with the development board, check if the proper mounting option is implemented (see
Section 5 Mounting options).
UM2360 - Rev 1
page 6/18
4 Circuit description
UM2360
Circuit description
The STSPIN233 integrates a protected triple half-bridge with low R
phase BLDC motor in very low consumption mode.
The device is protected against overload and short-circuits: short to ground, short to motor supply voltage, short
between the outputs. If one of the failure events occurs, the fault signal is set and the fault LED D10 is lit (red).
The STSPIN233 is compatible with single and three-shunt sensing, and the X-NUCLEO-IHM17M1 expansion
board is designed to provide both topologies. The current feedback signal conditioning is performed by hardware
available on the board and sent to the STM32 Nucleo board through the ST morpho connectors.
Motor speed regulation can be performed by hardware, by acting on trimmer R36. In this way
reference used by STM32 firmware for speed regulation.
X-NUCLEO-IHM17M1 expansion board provides two hardware solutions for motor position feedback: one
The
based on sensors and the other one based on sensorless detection.
4.1 Hall/encoder motor speed sensor
The X-NUCLEO-IHM17M1 expansion board implements the Hall/encoder sensor detection circuit for motor speed
feedback. The motor sensor feedback is connected through the J4 connector and an analog circuit to the STM32
Nucleo board in order to detect the motor rotation.
For sensors requiring external pull-up, three 10 kΩ
voltage (if these are not necessary, you can remove them).
4.2 Sensorless detection
In six-step driving mode, one of the three phases is left in high impedance state: comparing this phase voltage
with the center-tap voltage, we can detect the BEMF zero-crossing.
This signal is acquired through an analog circuit embedded on the expansion board and sent to the STM32
Nucleo board through the ST morpho connectors.
for evaluating a solution for a three-
DS(on)
, you can change the
resistors are already mounted and connected to the VDD
4.3 Bus voltage circuit
The X-NUCLEO-IHM17M1 expansion board provides the hardware bus voltage sensing. This signal is acquired
with a resistor divider from the motor supply voltage (VBUS) and sent to the analog to digital converter
.
UM2360 - Rev 1
page 7/18
5 Mounting options
UM2360
Mounting options
The X-NUCLEO-IHM17M1 provides dif
development boards:
• NUCLEO-F401RE
• NUCLEO-F302R8
• NUCLEO-F103RB
• NUCLEO-F030R8
Board
NUCLEO-
F401RE
(default)
NUCLEO-
F302R8
NUCLEO-
F103RB
NUCLEO-
F030R8
Curr fbk 1 Curr ref VBUS fbk EN/FAULT Enc. A/H1
R1 R3 R5 R9 R11 R14 R7 R8 R2 R4 R6 R10 R12
NM NM 0R NM 22k NM NM 0R NM NM 0R NM 0R
NM 0R NM NM NM 22k NM 0R NM 0R NM NM 0R
NM NM 0R NM NM NM 0R NM NM NM 0R 0R NM
NM NM 0R NM NM NM NM 0R NM NM 0R NM 0R
ferent mounting options to be compatible with the following STM32 Nucleo
able 3. Mounting options
T
UM2360 - Rev 1
page 8/18
6 Bill of materials
Item Q.ty Ref. Part/Value Description Manufacturer Order code
1 1 CN5 NP Header Samtec SSQ-110-01-F-S
2 2 CN6, CN9 NP Header Samtec SSQ-108-01-F-S
3 2 CN7, CN10 ESQ-119-24-G-D Header Samtec ESQ-119-24-G-D
4 1 CN8 NP Header Samtec SSQ-106-01-F-S
5 1 C1 1 nF 50 V 0.15
6 1 C2 22 µF 16 V 0.2
7 1 C3 22 µF 16 V 0.2
8 1 C4 2.2 µF 16 V 0.2
9 7 C5, C14, C15,
C16, C17, C18,
C19
10 1 C6 10 nF 50 V 0.15
11 1 C7 3.3 nF 50 V 0.15
12 2 C8, C12 100 nF 50 V 0.15
13 3 C9, C10, C11 10 pF 50 V 0.1
14 1 C13 4.7 µF 50 V 0.15
15 1 C20 220 nF 50 V 0.1
16 9 D1, D2, D3, D4,
D5, D6, D7, D8,
D9
17 1 D10 603 Red LED Wurth
18 3 D11, D12, D13 603 Yellow LED Wurth
19 1 JP2 Tin-drop close
20 2 JP5, JP6 Tin-drop open
21 2 JP3, JP4 Tin-drop dual
22 1 J2 Screw Wurth
23 1 J3 Screw Wurth
Table 4. X-NUCLEO-IHM17M1 bill of materials
603
D5_H1
1_P2
L4.5_W4.5
603
680 pF 50 V 0.15
603
603
603
603
603
805
603
BAT30KFILM
SOD523
805
805
603
Cercamic
capacitor
Aluminium
capacitor
Aluminium
capacitor
Cercamic
capacitor
Cercamic
capacitor
Cercamic
capacitor
Cercamic
capacitor
Cercamic
capacitor
Cercamic
capacitor
Cercamic
capacitor
Cercamic
capacitor
Small signal
Schottky diode
Resistor Any Any
Resistors Any Any
Resistors Any Any
Any 1NF_50V_X5R_0603
urth
W
Elektronik
Wurth
Elektronik
Any 2.2µF_16V_X5R_0603
Any 680PF_50V_X7R_0603
Any 10NF_50V_X7R_0603
Any 3.3NF_50V_X7R_0603
Any 100NF_50V_X7R_0603
Any 10PF_50V_COG_0603
Any 4.7µF_50V_X7R_0805
Any 220NF_50V_X7R_0603
ST BAT30KFILM
Elektronik
Elektronik
Elektronik
Elektronik
UM2360
Bill of materials
860010372002
865080340003
150060RS75000
150060YS75000
691213510002
691213510003
UM2360 - Rev 1
page 9/18
Item Q.ty Ref. Part/Value Description Manufacturer Order code
24 1 J4 Header Wurth
25 1 M8 PCB GY rev1 - 2
26 1 Q1 P-MOS SOT23 CMS Fairchild
27 8 R1, R2, R3, R4,
R7, R9, R10,
R65
28 8 R5,R6,R8,R12,
R50,R55,R61,R
64
29 1 R11 22 K 1/10 W
30 1 R14 22 K (NP) 1/10
31 1 R16 18 K 1/10 W
32 1 R17 30 K 1/10 W
33 5 R18, R24, R25,
R26, R66
34 1 R19 10 K 1/10 W
35 1 R20 330 R 1/10 W
36 16 R21, R22, R23,
R40, R41, R42,
R47, R51, R52,
R53, R56, R57,
R58, R59, R62,
R63
37 6 R27, R28, R29,
R43, R44, R45
38 3 R30, R31, R32 1.8 K 1/10 W
39 3 R33, R34, R35 NP 1/10 W ±5%
40 1 R36 100 K 1/2 W
41 3 R37, R38, R39 0.1 R 1/2 W ±1%
42 3 R48, R54, R60 680 R 1/10 W
43 7 TP1, TP2, TP3,
TP4, TP5, TP6,
TP7
44 1 U1 STSPIN233
layers
NP 603 Resistors Any R_NP_0603
0 R 1/10 W ±5%
603
±5% 603
W ±5% 603
±5% 603
±1% 603
39 K 1/10 W
±5% 603
±1% 603
±5% 603
2.2 K 1/10 W
±5% 603
10 K 1/10 W
±5% 603
±5% 603
603
±10%
L9.5_W4.9_H9.5
1206
±5% 603
S1751-46R Test points Harwin S1751-46R
QFN16
PCB Any Any
Resistors Any 0R_5%_0603
Resistor Any 22K_5%_0603
Resistor Any 22K_5%_0603
Resistor Any 18K_5%_0603
Resistor Any 30K_1%_0603
Resistors Any 39K_5%_0603
Resistor Any 10.0K_1%_0603
Resistor Any 330R_5%_0603
Resistors Any 2.2K_5%_0603
Resistors Any 10K_5%_0603
Resistors Any 1.8K_5%_0603
Resistors Any 4.7K_5%_0603
Trimmer
resistor
Resistors Any 0.1R_1%_1206_0.5W
Resistors Any 680R_5%_0603
Low voltage
three phase
and three
sense motor
driver
Elektronik
Semiconductors
Bourns 3386P-1-104
ST STSPIN233
61300511121
FDV302P
UM2360
Bill of materials
UM2360 - Rev 1
page 10/18
Item Q.ty Ref. Part/Value Description Manufacturer Order code
45 1 U2 LMV331
SOT23-5L
46 1 U3 TSV994
TSSOP14
General
purpose low
voltage
comparator
Wide
bandwidth
(20MHz) rail to
rail input/
output 5V
CMOS OpAmps, quad
ST LMV331ILT
ST TSV994IPT
UM2360
Bill of materials
UM2360 - Rev 1
page 11/18
7 X-NUCLEO-IHM17M1 schematic diagram
ARDUINO/MORPHO CONNECTOR
F302
Currents
F302
BEMF six STEP
F30 2
F
30 3
PWM
F10 3
F
10 3
BKI N2
ND
GND
BOTTOM MOUNTED
C7_1
C7_3
C7_5
C7_7
C7_13
C7_15
C7_17
C7_19
C7_21
C7_23
C7_25
C7_27
C7_29
C7_31
C7_33
C7_35
C7_37
C7_14 C6_3
C7_16
C7_18 C6_5
C7_20
C7_22
C7_24 C6_8
C7_28 C8_1
C7_38 C8_6
C7_36 C8_5
C7_34 C8_4
C7_30 C8_2
C7_32 C8_3
C7_2
C7_4
E5V C7_6
C7_8
C10_3C5_10
C10_7C5_8
C5_7 C10_9
C5_6 C10_11
C5_5 C10_13
C5_4 C10_15
C5_3 C10_17
C5_2 C10_19
C10_5C5_9
C10_35C9_2
C9_5
C9_4
C9_7
C10_33C9_3
C9_6
C9_8
C10_37C9_1
C10_2
C10_4
C10_6
C10_8
C10_10
C10_12
C10_14
C10_16
C10_18
C10_20
C10_22
C10_24
C10_26
C10_28
C10_30
C10_32
C10_34
C10_36
C10_38
C7_9
C7_11 C7_12
C6_1 N.C.
C6_2 +3V3
C6_6
PA15 - Enc. A/H1
PA1 - Enc. B/H2
PB10 - Enc. Z/H3
N.C. C7_10
C6_7
C7_26
C6_4
PA0 - Enc A/H1
C7_18
C5_1 C10_21
C10_1
C10_29
C10_31
C10_25
C10_27
C10_23
C7_17
C7_30
C10_25 Z+/H3
A+/H1
B+/H2
C7_28
VDD
5V
EN_FAULT
IN1
EN1
IN2
EN2
IN3
EN3
C10_14
C10_28
C10_13
C10_23
C7_1
C10_21
C7_2
C10_33
C7_3
C10_15
C7_34
Curr_fdbk1
Curr_fdbk2
Curr_fdbk3
C7_32
C10_27
C10_13
C10_1
C7_36
C7_37
C7_38
GPIO_BEMF
BEMF1
BEMF2
BEMF3
C10_24
VBUSC7_28
C7_35 SPEED
C10_26
C10_16
C10_34
C10_29 SBY_RESET
Stop PWMC10_12
CURRENT REF
M8
GY_1xx
R1 NP
CN6
SSQ-108-01-F-S
NP
1234567
8
R5 0R
C7
3.3NF
R11 22k
R6 0R
CN5
SSQ-110-01-F-S
NP
123456789
10
R64
0R
R9 0R (NP)
R8 0R
TP1
S1751-46R
1
R2 NP
TP6
S1751-46R
1
R4 NP
CN9
SSQ-108-01-F-S
NP
1234567
8
M3
OPTICAL_TARGET
R3 NP
R12 0R
C20
220NF
M2
OPTICAL_TARGET
CN8
SSQ-106-01-F-S
NP
12345
6
R14 22K (NP)
R7 NP
CN7
ESQ-119-24-G-D
13579
11131517192123252729313335
37
2468101214161820222426283032343638
CN10
ESQ-119-24-G-D
13579
11131517192123252729313335
37
2468101214161820222426283032343638
M1
OPTICAL_TARGET
R10 NP
BOTTOM MOUNTED
DAC/REF
HALL/Encoder
sensor
PA8-UH
PA9-VH
PC11
PA10-WH
PC12
PA12
PB12 - PhA
PA7 - PhA
PA7 - PhA
PB1 - PhB
PB0 - PhC
PA4 - DAC
PB4 - PWM
PB14
PC9 - GPIO
PC1 - ADC
PC3 - ADC
PC0 - ADC
PC4
PA0
PC2
PA11 - BKIN2
PA6 - BKIN
PA6 - BKIN
PB5
PC10
NC
NC
NC
NC
NC
NC
NCNCNC
NCNCNC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Figure 3. X-NUCLEO-IHM17M1 circuit schematic (1 of 2)
UM2360
X-NUCLEO-IHM17M1 schematic diagram
UM2360 - Rev 1
page 12/18
3Sh
HALL/Encoder sensor
A+/H1
B+/H2
Z+/H35VGND
Vshunt_1_GND
Vshunt_1_GND
External op-amp
VS
Current control
FOC
OUT1 OUT2 OUT3
GPIO_BEMF GPIO_BEMF GPIO_BEMF
SENS1
SENS2
SENS3
SENS1 SENS3
IN1
IN3
IN2
VBUS_SENS
BEMF1 BEMF3
OUT2
OUT3
EN2
EN3
EN1
OUT1
OUT2
OUT3
SPEED
EN_FAULT
OUT1
VIN+
VIN+
5V
VDD
VDD VDD
VDDVDDVDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VBUS
Vshunt_2
EN3
IN3
EN2
IN2
IN1
EN1
A+/H1
B+/H2
Z+/H3
GPIO_BEMF
BEMF1 BEMF2
GPIO_BEMF GPIO_BEMF
BEMF3
Vshunt_3
Vshunt_2
Vshunt_1
Vshunt_2
Vshunt_1 Vshunt_2 Vshunt_3
EN_FAULT
SPEED
Vshunt_1
Curr_fdbk1
Curr_fdbk2
Vshunt_2
Curr_fdbk3
Vshunt_3
Curr_fdbk2
Stop PWM
SBY_RESET
TP7
S1751-46R
1
R522.2K
R301.8K
R54 680R
R34
4.7K
NP
R59
2.2K
R512.2K
+
-
U2
1
+IN
3
-IN
2
V-
5
V+
4
OUT
R43
10K
C19 680PF
J2
691213510002
1
2
C9
10PF
JP2
CLOSE
12
R61
0R
R48 680R
R26
39K
D9
BAT30KFILM
R20
330R
TP2
S1751-46R
1
R321.8K
R21
2.2K
R40
2.2K
R63 2.2K
C18
680PF
R24
39K
R29
10K
U3D
TSV994
Vcc4GND
11
IN+12IN-
13
14
OUT
R33
4.7K
NP
R311.8K
U3C
TSV994
Vcc4GND
11
IN+
10
IN-
9
8
OUT
R16
18K
D13
YELLOW
JP3
DUAL
13
2
R62 2.2K
R45
10K
R35
4.7K
NP
R23
2.2K
R28
10K
+
C2
22µF
16V
C11
10PF
D5
BAT30KFILM
J4
61300511121
12345
JP4
DUAL
13
2
J3
691213510003
123
R60 680R
R27
10K
C6
10NF
TP5
S1751-46R
1
D11
YELLOW
D12
YELLOW
R66
39K
C5
680PF
D4
BAT30KFILM
U3A
TSV994
Vcc4GND
11
IN+
3
IN-
2
1
OUT
D8
BAT30KFILM
U3B
TSV994
Vcc4GND
11
IN+5IN-
6
7
OUT
D10
RED
R39
0.1R
1/2W
R65
NP
D3
BAT30KFILM
D7
BAT30KFILM
TP3
S1751-46R
1
C13
4.7µF
R42
2.2K
JP5
OPEN
12
D2
BAT30KFILM
R36
100K
1 3
2
C8
100NF
D1
BAT30KFILM
C1
1NF
R582.2K
R53
2.2K
+
C3
16V
R44
10K
R18
39K
C17 680PF
R22
2.2K
R37
0.1R
1/2W
16V
R55
0R
R38
0.1R
1/2W
C12
100NF
R41
2.2K
D6
BAT30KFILM
R25
39K
R57 2.2K
Q1
P-MOS
FDV302P
SOT23
S
2
1
G
D
3
R50
0R
C14
680PF
R19
10K
1%
TP4
S1751-46R
1
C16
680PF
U1
INU
1
GND
6
OUTW
10
ENW
12
OUTU
3
ENU
2
SENSU
4
INV
15
SENSV
8
SENSW
9
ENV16INW
11
OUTV
7
EN/FAULT
13
VS
5
STBY/RESET
14
EPAD
17
C10
10PF
R56 2.2K
C15
JP6
OPEN
12
R17
30K
1%
R47
2.2K
STSPIN233 DMOS driver for three-phase brushless DC motor
BEMF detection six-step
Single/three shunt configuration
Power connector
Shunt resistor
680PF
Vshunt_2_GND
Vshunt_3_GND
FOC
22µF
C4
22µF
C2 (THT) or C3 (SMD)
double footprint
GND
VDD
U
V
W
VBUS sensor
LMV331
Speed regulation
3Sh
1Sh
1Sh
Vshunt_2_GND
Vshunt_3_GND
En/fault LED
Out LEDs
X-NUCLEO-IHM17M1 schematic diagram
Figure 4. X-NUCLEO-IHM17M1 circuit schematic (2 of 2)
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Revision history
UM2360
Table 5. Document revision history
Date Revision Changes
09-Feb-2018 1 Initial release.
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Contents
Contents
1 Hardware and software requirements ..............................................2
2 Getting started.....................................................................3
3 Hardware description and configuration ...........................................4
3.1 Selecting the STM32 Nucleo board ...............................................6
4 Circuit description .................................................................7
4.1 Hall/encoder motor speed sensor ................................................7
4.2 Sensorless detection ...........................................................7
4.3 Bus voltage circuit .............................................................7
5 Mounting options ..................................................................8
6 Bill of materials....................................................................9
7 X-NUCLEO-IHM17M1 schematic diagram ..........................................12
Revision history .......................................................................14
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UM2360
List of tables
List of tables
Table 1. ST morpho connectors ................................................................5
able 2. Other connectors, jumpers and test points...................................................6
T
Table 3. Mounting options ....................................................................8
Table 4. X-NUCLEO-IHM17M1 bill of materials .....................................................9
Table 5. Document revision history ............................................................. 14
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UM2360
List of figures
List of figures
Figure 1. X-NUCLEO-IHM17M1 expansion board ...................................................1
Figure 2. X-NUCLEO-IHM17M1 jumper and connector positions ........................................4
Figure 3. X-NUCLEO-IHM17M1 circuit schematic (1 of 2) ............................................12
Figure 4. X-NUCLEO-IHM17M1 circuit schematic (2 of 2) ............................................13
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UM2360
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