Datasheet

Schematic diagram X-NUCLEO-IHM01A1
2/4 DocID026559 Rev 3
1 Schematic diagram
Figure 1. X-NUCLEO-IHM01A1 circuit schematic
A+ A- B+
B-
DIR
DIR
SPIMotor
N°1
N°2
N°3
FLAG
DIR1
PWM1
DIR2
PWM2
PWM3
DIR3
CS
MOSI
MISO
SCK
GND
AREF
SDA
SCL
R1
R2R3
R4
PWMR5R6
R7
R8 SDIR9
R10R11R12 SDO
A0 A1
A2
A3 A4 A5
IOREF 3.3V
5V
GND
GND
VIN
PWM
SDI SDO
RESET EASY
UART RX
SINGLE MOTOR
R1 R4 R7 R12
GND
UART TX
Vin
DIR
ADCIN
FLAG
DIR_2
PWM_1
PWM_2
PWM_3
1->2
2->3
SDI SDO
MOSI
SPI_NCK
DIR_3
DIR_1
SPI_MISO
SPI_CS
STCK
VS
VDD
VS
VDD
VDD
VDD
VDD
TP2
NP
1
R15
NP
CN1 3.81
1
2
MKDS1/6-3.81
3
4 5 6
C8
10NF
R17
2.2K
R9
NP
R1
0R
D6
YELLOW
D1
2
BAR43
1
3
C1
100NF
C3
220NF
C10 100NF
R10 NP
CN7
CON-2x19
1 3 5
7 9
11
13 15
17
19
21 23 25 27 29 31 33
35
37
2
4
6 8
10
12 14
16 18 20
22 24
26
28
30 32 34 36
38
CN10
CON-2x19
11
9
7
5
3
1
13
15
17
19
21
23
25
27
29
31
33
35
37
8
6
4
2
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
CN3
CON-1x2
2
1
CN8
1x2 - pitch 2.54
CON-1x6 1x6 - pitch 2.54
1 2
3
4 5 6
R24
NP
D7
GREEN
R4 0R
R13
10K
R8 NP
MIRE2
R12 0R
OPTICAL_TARGET
R25
0R
R21
330R
R16
2.2K
TP1
NP
1
R22
NP
C11
100NF
CN6 CON-1x8 1x8 - pitch 2.54
R5 NP
1
2 3 4 5
6
7 8
C5 NP
D4
YELLOW
R18
2.2K
+
C2 47UF
C4
3.3NF
+
C7 10UF
U1
L6474PD
VDD
24
9
VREG
OSCIN
10 11
OSCOUT
CP
13
14
VBOOT
8
ADCIN
VSA
5
VSA
33
VSB
15
VSB
16
1
PGND
2
OUT1A OUT2A
35
17
OUT1B
20
OUT2B
AGND
12
SW
7
DGND
28
BUSY_SYNC
31
29
FLAG
SDO
25
SDI
27
CK
26
CS
30
STBY_RES
STBY_RESET
6
STCK
32
EPAD
37
3
OUT1A OUT1B
18
PGND
19
OUT2B
21
VSB
22
VSB
23
VSA
34
4
VSA
36
OUT2A
R2
NP
R14 10K
C9 100NF
R20
330R
R3 NP
D2 RED
MIRE3
R11 NP
OPTICAL_TARGET
R19
2.2K
R6 NP
D3
YELLOW
D5
YELLOW
R7 0R
C6
100NF
CN5 CON-1x10
1x10 - pitch 2.54
10
1
2
3
4
5
6
7
8
9
R23
0R
CN9
CON-1x8
1x8 - pitch 2.54
1
2
3
4
5
6
7
8
+
C12
100UF
63V
MIRE1 OPTICAL_TARGET