Figure 32.
STEVAL-ETH001V1 circuit schematic (9 of 10)
A+/ H1
Z+/ H3
ENC/ HALL_VCC
GND
B+/ H2
Encoder/Hall Sensor
3v3
+5V
3v3
3v3
+5V
3v3
3v3
3v3
3v3
M/H1
M/H2
M/H3
RS485_RX
RS485_TX
RS485_EN
RS-485_TX_CLK
D21
BAT30KFILM
N.M.
R143 510R
R142
0R
N.M.
C126
10nF
10V
R153
10k
C125
100nF
R207 0R
U18
Encoder Connector
1
2
3
4
5
6
R149 510R
J10
Encoder HALL SENSOR
1
2
3
4
5
R148
1.8k
C122
10pF
R150
60.4R
J12
SOLDER JUMPER3
1
2
3
D20
BAT30KFILM
N.M.
R156 510R
D22
BAT30KFILM
N.M.
R144
60.4R
R145
10k
N.M.
R157
60.4R
R154 510R
R206 0R
J11
SOLDER JUMPER3
1
2
3
R155
60.4R
R146
10k
N.M.
R151
1.8k
C123
10pF
U19
ST3485EI
1
RO
2
RE
3
DE
4
DI
5
GND
6
A
7
B
8
Vcc
C121
10nF
10V
R147
10k
N.M.
C124
10pF
R152
1.8k
U17
ST3485EI
1
RO
2
RE
3
DE
4
DI
5
GND
6
A
7
B
8
Vcc
Enc/Hall_Vcc
Enc/Hall_Vcc
Supply votage
RS485_EN
S
up
pl
y
vo
ta
ge
R207 0R
U18
Encoder Connector
1
2
3
4
5
6
R150
60.4R
R144
60.4R
C121
10nF
10V
Supply votage
Encoder with Serial Protocol
Figure 33.
STEVAL-ETH001V1 circuit schematic (10 of 10)
MC DEBUG DAC
3v3
+15Vcc
+5V
MC_DAC_CH1
MC_DAC_CH2
S1
SPACER M3x20
S2
SPACER M3x20
S3
SPACER M3x20
TP11
5001
S4
SPACER M3x20
TP3
5001
J16
M3 HOLE
N1
NUT M3
TP10
5001
N2
NUT M3
J15
M3 HOLE
J19
Jumper_Female
N3
NUT M3
J20
Jumper_Female
N4
NUT M3
TP14
5001
TP8
5001
TP9
5001
J18
M3 HOLE
J17
M3 HOLE
UM2807
-
Rev 1
page 26/40
UM2807
Schematic diagrams
