Texas Instruments DRV8834EVM, User Manual

Page: 25 / 28

1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
Scale Sheet
Size FCSMNo. DWGNo. Rev
B
TXD
1
DTR
2
RTS
3
VCCIO
4
RXD
5
RI
6
GND
7
NC
8
DSR
9
DCD
10
CTS
11
CBUS4
12
CBUS2
13
CBUS3
14
USBDP
15
USBDM
16
3V3O
17
GND
18
RST
19
VCC
20
GND
21
CBUS1
22
CBUS0
23
NC
24
AGND
25
TEST
26
OSCI
27
OSCO
28
U3
FTD232R
0.1uF
C11
GND
VCC
1
DM
2
DP
3
GND
4
S
H
L
D
5
S
H
L
D
6
J6
USB B Conn
5VCC
5VCC
0.1uF
C6
GND
USBDM
USBDM
USBDP
USBDP
RX
TX OSCO
OSCI
CBUS0
CBUS1
CBUS2
CBUS3
CBUS4
DTR
RTS
RI
DSR
DCD
CTS
USB5V
P6.3/A3
2
P6.5/A5
4
VREF+
7
VeREF+
10
P1.1/TA0
13
P1.4/SMCLK
16
P
1
.7
/T
A
2
1
9
P
2
.2
/C
A
O
U
T
/T
A
0
2
2
P
2
.5
/R
O
S
C
2
5
P
3
.0
/S
T
E
0
2
8
P
3
.3
/U
C
L
K
0
/S
C
L
3
1
P3.7/URXD1
35
P4.1/TB1
37
P4.4/TB4
40
P5.1/SIMO1
45
P5.4/MCLK
48
P
5
.7
/T
B
O
U
T
H
/V
S
O
U
T
5
1
T
D
O
/T
D
I
5
4
T
C
K
5
7
P
6
.2
/A
2
6
1
A
V
C
C
6
4
P6.4/A4
3
P6.6/A6/DAC0
5
XOUT
9
P1.0/TACLK
12
P1.3/TA2
15
P
1
.6
/T
A
1
1
8
P
2
.1
/T
A
IN
C
L
K
2
1
P
2
.4
/C
A
1
/T
A
2
2
4
P
2
.7
/T
A
0
2
7
P
3
.2
/S
O
M
I0
3
0
P3.5/URXD0
33
P4.0/TB0
36
P4.3/TB3
39
P4.7/TBCLK
43
P5.3/UCLK1
47
P
5
.6
/A
C
L
K
5
0
X
T
2
IN
5
3
T
M
S
5
6
R
S
T
/N
M
I
5
8
P
6
.1
/A
1
6
0
D
V
S
S
6
3
P5.0/STE1
44
DVCC
1
P6.7/A7/DAC1/SVSIN
6
XIN
8
VREF-/VeREF-
11
P1.2/TA1
14
P
1
.5
/T
A
0
1
7
P
2
.0
/A
C
L
K
2
0
P
2
.3
/C
A
0
/T
A
1
2
3
P
2
.6
/A
D
C
1
2
C
L
K
/D
M
A
E
0
2
6
P
3
.1
/S
IM
O
0
/S
D
A
2
9
P
3
.4
/U
T
X
D
0
3
2
P3.6/UTXD1
34
P4.2/TB2
38
P4.5/TB5
41
P5.2/SOMI1
46
P
5
.5
/S
M
C
L
K
4
9
X
T
2
O
U
T
5
2
T
D
I/
T
C
L
K
5
5
P
6
.0
/A
0
5
9
A
V
S
S
6
2
P4.6/TB6
42
U2
MSP430F2617
GND
GND
GND
33pF
C12
33pF
C13
GND
0.1uF
C7
GND
1-2JTG_PWR
2-3TRG_PWR
330
R8
GND
P
6
M
5
GND
R
S
T
TX
R
X
R
S
T
P6M5
B
Texas Instruments
2 of 2
VDD
VDD
VDD
D
E
V
S
E
L
3.3K
R9
DRV8834DC and SteppingMotor Drive EVM
PVDD
VDD
C14
2.2uF
C15
.01uF
VM
GND
GND
GND
330
R17
GND
nSLEEP
MSP_BDECAY
MSP_ADECAY
nENBL/AENBL
STEP/BENBL
DIR/BPHASE
M0/APHASE
M1
CONFIG
MSP_AVREF
MSP_BVREF
10mH L1
D2
Status
S5
MCU-RST
1 2
Y1
16 MHZ
D3
3.3V
JP4
VM
1uF
C16
3.3k R14
3.3k
R16
3.3k R10
3.3k R11
3.3k R13
3.3k R12
3.3k R15
10uF
C10
0.1uF
C9
10uF
C8
MCU PWR
1 2
3 4
5 6
7 8
9 10
11 12
13 14
J7
JTAG
1
2
3
JP2
PWR Select
VIN
1
GND
2
ON
3
VOUT
5
BYPASS
4
REG1
Volt_RegLP2985
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Schematics and Bill of Materials
25 SLVU701B – March 2012 – Revised July 2019
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DRV8834 Evaluation Module