VCC
56A1
56A2
56A3
56A4
55A1
55A2
55A3
55A4
GND
TEST
RST
1C
1A
1B
P7.5/L5
1
P7.4/L4
2
P7.3/L3
3
P7.2/L2
4
P7.1/L1
5
P7.0/L0
6
P4.7/R13
7
P4.6/R23
8
P4.5/R33
9
P4.4/LCDCAP1
10
P4.3/LCDCAP0
11
P4.2/XOUT
12
P4.1/XIN
13
DVSS
14
DVCC
15
RST/NMI/SBWTDIO
16
TEST/SBWTCK
17
P4.0/TA1.1
18
P8.3/TA1.2
19
P8.2/TA1CLK
20
P1.7/TA0.1/TDO/A7
21
P1.6/TA0.2/TDI/TCLK/A6
22
P1.5/TA0CLK/TMS/A5
23
P1.4/MCLK/TCK/A4/VREF+
24
P1.3/UCA0STE/A3
25
P1.2/UCA0CLK/A2
26
P1.1/UCA0RXD/UCA0SOMI/A1/Veref+
27
P1.0/UCA0TXD/UCA0SIMO/A0/Veref-
28
P5.5/L37
29
P5.4/L36
30
P5.3/UCB0SOMI/UCB0SCL/L35
31
P5.2/UCB0SIMO/UCB0SDA/L34
32
P5.1/UCB0CLK/L33
33
P5.0/UCB0STE/L32
34
P2.7/L31
35
P2.6/L30
36
P2.5/L29
37
P2.4/L28
38
P2.3/L27
39
P2.2/L26
40
P2.1/L25
41
P2.0/L24
42
P6.5/L21
43
P6.4/L20
44
P6.3/L19
45
P6.2/L18
46
P6.1/L17
47
P6.0/L16
48
P3.7/L15
49
P3.6/L14
50
P3.5/L13
51
P3.4/L12
52
P3.3/L11
53
P3.2/L10
54
P3.1/L9
55
P3.0/L8
56
MSP430FR4133IG56R
M1
1E
2B
BUTTON
2A
2C
2F
2D
2G
2E
3B
3A
3C
3F
3D
3G
3E
4B
DP3
4A
4C
4F
4D
4G
4E
COM
10V
0.1uF
C39
10V
0.1uF
C40
GND
GND
GND
10V
0.1uF
C41
GND
SDA
SCL
COM1
1
NC
2
NC
3
NC
4
4E
5
4D
6
4C
7
DP3
8
3E
9
3D
10
3C
11
DP2
12
2E
13
2D
14
2C
15
DP1
16
1E
17
1D
18
1C
19
1B
20
1A
21
1F
22
1G
23
2B
24
3G
32
NC
33
4B
34
4A
35
4F
36
4G
37
NC
38
2A
25
2F
26
2G
27
L
28
3B
29
3A
30
3F
31
NC
39
COM1
40
U19
VI-401-DP-RC-S
DP3
4C
4D
4E
DP2
3C
3D
3E
DP1
2C
2D
2E
1B
1C
1D
1E
COM
4G
4F
4A
4B
3G
3F
3A
3B
2G
2F
2A
2B
1G
1F
1A
COM
COM
1G
1D
1F
10µF
C29
10V
0.1uF
C42
VCC
DP0
DP0
10V
0.1uF
C43
IN1
1
NO1
2
GND
3
NO2
4
IN2
5
COM2
6
NC2
7
V+
8
NC1
9
COM1
10
TS5A23159DGSR
U21
GND
GND
COM
DP2
DP1
www.ti.com
Schematics, PCB Layout, and Bill of Materials
9
SLYU047A – April 2018 – Revised May 2018
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
DRV5055EVM
Figure 3. Schematic of LCD for Measurement Display, Microcontroller for Data Processing, and Switch for Expanding GPIO Functionality