Texas Instruments DRV5055-ANGLE-EVM Series User manual

1
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DRV5055-ANGLE-EVM
User's Guide
SLYU048–July 2018
DRV5055-ANGLE-EVM
This user’s guide describes the characteristics, operation, and use of the DRV5055-ANGLE-EVM
evaluation module (EVM). This EVM demonstrates the application of the DRV5055 linear Hall effect
sensor for contactless angle measurement in rotary systems. The EVM implements both encoding and
decoding of absolute angle information. Throughout this document, the terms evaluation board, evaluation
module, and EVM are synonymous with the DRV5055-ANGLE-EVM. This document includes a schematic,
reference printed circuit board (PCB) layouts, and a complete bill of materials (BOM).

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DRV5055-ANGLE-EVM
Contents
1 Overview...................................................................................................................... 3
2 Operation ..................................................................................................................... 5
3 Hardware...................................................................................................................... 8
4 Schematics, PCB Layout, and Bill of Materials......................................................................... 10
List of Figures
1 DRV5055-ANGLE-EVM User Interface................................................................................... 5
2 Calibration Guide on Bottom Silkscreen for Quick Lookup............................................................. 6
3 Block Diagram of the DRV5055-ANGLE-EVM........................................................................... 8
4 Generating Sinusoidal Magnetic Flux Density Signals ................................................................. 8
5 Schematic of DRV5055-ANGLE-EVM................................................................................... 10
6 Top Overlay................................................................................................................. 11
7 Top Layer ................................................................................................................... 11
8 Bottom Overlay............................................................................................................. 11
9 Bottom Layer................................................................................................................ 11
List of Tables
1 DRV5055 Device Summary................................................................................................ 3
2 Kit Contents .................................................................................................................. 3
3 Related Documentation..................................................................................................... 4
4 Bill of Materials ............................................................................................................. 12
Trademarks
All trademarks are the property of their respective owners.

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1 Overview
The DRV5055 family of ratiometric, linear Hall effect sensors sense magnetic fields ranging from ±21 mT
to ±176 mT, depending on device and supply voltage. These devices operate from a single 3.3-V or 5-V
nominal power supply voltage, and draw a maximum of 10 mA of supply current. The linear output range
is between 600 mV and VCC – 200 mV. Table 1 summarizes the available options by input range for 3.3-V
supply voltage. The DRV5055 is currently available in a 3-pin SOT-23 or 3-pin TO-92 package.
Table 1. DRV5055 Device Summary
Product Linear Input Range (mT)
DRV5055A1 ±22
DRV5055A2 ±44
DRV5055A3 ±88
DRV5055A4 ±176
1.1 Kit Contents
Table 2 lists the contents of the DRV5055-ANGLE-EVM kit. Contact the nearest Texas Instruments
Product Information Center if any component is missing.
Table 2. Kit Contents
Item Quantity
Fully assembled PCB with magnet and plastic magnet holder 1
USB cable 1
1.2 EVM Features
The DRV5055-ANGLE-EVM includes the following features:
• Evaluation straight out of box with no additional instrumentation
• USB-powered for convenience, but includes option to connect external power source
• Silkscreen compass for angle setting
• Onboard LCD for measured angle display
• Onboard push-button switch that toggles through multiple sensor configurations and sets calibration
points
• Supports single-sensor configurations for limited-range angle sensing, and dual-sensor configurations
for full 360° sensing range
• Supports up to 36-point transfer function calibration for < 1° peak-to-peak estimation error
• PCB mounting holes

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1.3 Related Documentation From Texas Instruments
This EVM user's guide provides information regarding TI's integrated circuits used in the assembly of the
DRV5055-ANGLE-EVM. This user's guide is available from the TI website under literature number
SLYU048. Any letter appended to the literature number corresponds to the document revision that is
current at the time of the writing of this document. Newer revisions are available from www.ti.com or the
Texas Instruments' Literature Response Center at [phone] or the Product Information Center at
[phone]. When ordering, identify the document by both title and literature number.
Table 3 lists documentation related to the DRV5055-ANGLE-EVM. The device name links to the product
web folder on www.ti.com. The literature number links to the document PDF.
Table 3. Related Documentation
Document Title Document Literature Number
DRV5055 data sheet SBAS640
DRV5055-Q1 data sheet SBAS639
TS3A24159 data sheet SCDS238
OPA2314 data sheet SBOS563
SN74LVC1G17 data sheet SCES351
ADS7042 data sheet SBAS608
TLV755P data sheet SBVS320
MSP430FR4133 data sheet SLAS865
Angle Measurements With Linear Hall Effect Sensors Application
Report SLYA036

Cal Command &
Output Display
USB Power
Board Power &
Device Select
Indication
Input Devices
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DRV5055-ANGLE-EVM
2 Operation
Users interact with the EVM is entirely through controls and visual indicators on the front side of the PCB.
The various components of the simple and intuitive user interface are shown in Figure 1.
Figure 1. DRV5055-ANGLE-EVM User Interface
The silkscreen compass serves as the reference for setting the shaft angle. The main input devices of the
EVM are the push-button switch and the plastic pointer that also holds the magnet. Both inputs are used
to configure the board; whereas, only the pointer is used during normal operation.
The LCD is the main output device for displaying user commands during calibration, as well as angle
measurements. Onboard LEDs identify the devices that are selected for measurement. The LEDs also
serve as power-good indicators.
The operation of the DRV5055-ANGLE-EVM begins with a calibration procedure that must be executed
immediately after power up. After calibration is complete, the value displayed on the LCD accurately
tracks the position of the pointer. The following sections describe the calibration procedure and available
operating modes in greater detail.

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2.1 Calibration Procedure
The calibration procedure is invoked each time the EVM is powered on. The calibration procedure can
also be started from the normal operating mode with a long-press (> 2 s) of the push-button switch.
Figure 2 shows the bottom silkscreen layer of the PCB. The PCB includes a quick lookup guide to the
calibration procedure, as detailed in the following steps.
1. With the board powered on, the instruction SEL is displayed on the LCD. Use the push-button switch to
cycle through the various, supported dual- and single-sensor configurations. To select a particular
configuration, hold down the push-button switch for at least two seconds (long-press).
2. Next, the instruction SPIn appears on the display. Spin the pointer around in any direction and
complete at least two full revolutions. The system automatically transitions to the next step when the
required information (that is, peak values of the sensor output voltages) has been stored.
3. If a single-sensor configuration was selected in Step 1, then at this point, the EVM enters the normal
operating mode. Otherwise, the CP. instruction is displayed. CP stands for Calibration Points and
represents the number of line segments used to approximate the nonlinear shaft angle-to-estimated-
angle transfer function. Up to 36 points are supported. Rotate the pointer clockwise to increase the
number of calibration points or counterclockwise to decrease the number of calibration points. A short
press (< 1 s) of the push-button stores the desired value.
4. The last step of the calibration procedure is to identify the positions on the compass corresponding to
the calibration points. For each calibration point that appears on the display, rotate the pointer to the
corresponding position on the compass, and press the push-button to store.
Figure 2. Calibration Guide on Bottom Silkscreen for Quick Lookup

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DRV5055-ANGLE-EVM
2.2 Functional Modes
2.2.1 Power Supply Modes
A 3.3-V supply voltage is necessary for DRV5055-ANGLE-EVM operation. The power supply can be
derived from either the USB bus of a charger or PC, or from an external dc power source connected
between the test points labeled USB Pwr and GND.
CAUTION
To prevent damage to the onboard linear voltage regulator, the input supply
voltage must not exceed 6 V.
2.2.2 Measurement Modes
As described in Section 2.1, this EVM supports both single-sensor and dual-sensor modes for evaluation.
The dual-sensor mode offers absolute angle sensing over a full 360° range, and delivers the best
performance. The single-sensor mode is more cost-effective, and sufficient in applications where the
sensing range is less than 180°. However, the EVM does not support offset calibration in single-sensor
mode. Consequently, setting the pointer to 0° on the compass almost always produces a value not equal
to 0° on the display. To verify linear behavior between the shaft angle setting and the estimated angle, first
locate the positions where the displayed angle becomes 0°. Then, observe changes in the displayed
values as the pointer is moved around this reference point. See the Angle Measurements With Linear Hall
Effect Sensors Application Report for a detailed discussion of the two measurement modes.

N
S
12-bit ADC
AFE
(anti-aliasing +
Low-Z drive)
AFE
(anti-aliasing +
Low-Z drive)
SPI1
(master)
SPI2
(slave)
MSP430
12-bit ADC
CONVERT
SCLK
SDO MISO
SIMO
LCD
driver
LCD Display
3.3V LDO
Power
Hall3
Hall1
Hall2
Hall4
A
n
a
l
o
g
M
U
X
GPIOx
GPIOxx
GPIOy
0°
,APPLIED
BLOCK 1:
Rotating Diametric Disc Magnet:
Angle to Magnetic Field converter
BLOCK 2:
Hall Sensor Pair:
Magnetic Field to
Voltage converter
VCOS
VSIN
DCOS
DSIN
BLOCK 3:
AFE + ADC:
Voltage to Code
converter
,ESTIMATED
BLOCK 4:
MCU: Post-processor
C
P
Push-Button
Switch
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DRV5055-ANGLE-EVM
3 Hardware
Figure 3 shows the major blocks that make up the DRV5055-ANGLE-EVM hardware. The various blocks
are broadly described in the following sections.
Figure 3. Block Diagram of the DRV5055-ANGLE-EVM
3.1 Permanent Magnet
For the DRV5055-ANGLE-EVM angle sensing algorithm to work, the shaft angle information must be
encoded as sinusoidal magnetic flux density signals. The necessary encoding is achieved by using a
diametric disc magnet that produces a circular magnetic field. As seen in Figure 1, the magnet is attached
to a plastic pointer fixture mounted in the hole at the center of the compass. As the pointer (and magnet)
rotate, the circular field of the magnet rotates, and the magnetic flux density at any point around the
magnet changes sinusoidally over time. For example, Figure 4 depicts a finite-element model of a rotating
diametric disc magnet. As the magnet rotates, the components of the magnetic flux density vector are
measured at points P1 and P2, and are sinusoidal, as shown in the plot of Figure 4.
Figure 4. Generating Sinusoidal Magnetic Flux Density Signals

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DRV5055-ANGLE-EVM
3.2 Hall Sensor(s) and Analog MUX
The magnetic flux density signals generated by the rotating magnet are measured at four locations around
the magnet by the DRV5055 linear Hall effect sensors. The PCB includes both package variants of the
DRV5055. Each sensor measures the flux density at the sensor location, and outputs a proportional
voltage signal that swings between 600 mV and 3.1 V. The Hall effect sensor outputs are routed to a dual
2:1 low-distortion analog MUX (TS3A24159). The MUX that selects individual or pairs of sensors for
single-sensor or dual-sensor modes of operation, respectively. Dual-sensor mode requires sin/cos
encoding for angle sensing over the full 360° range. Select any pair of sensors located on the same circle
or on the same radial line in order to generate the required sin/cos signal pairs.
3.3 Simultaneous Sampling ADCs
Data conversion of the Hall effect sensor outputs is accomplished by a pair of ADS7042 SAR ADCs
configured for simultaneous sampling. Simultaneous sampling is important to prevent any additional phase
errors caused by skewed sampling instants that disrupt the sin/cos relationship of the dual-sensor outputs.
SAR ADCs generally have extremely low aperture delay (a few nanoseconds at most) because SAR
ADCs are specifically designed to convert instantaneous samples of the input signal, rather than window-
averaged values . As a result, SAR ADCs are an excellent choice for simultaneous-sampling applications.
The ADS7042 normally supports a maximum throughput of 1 MSPS. However, the settling characteristics
of the ADC input drive circuit used on this EVM limit the max throughput to approximately 300 kSPS. The
maximum sampling rate is still sufficient for noise reduction through oversampling and averaging in most
applications. The maximum sampling rate is also sufficient for acquiring relatively high-speed input signals
of up to 20 kHz; the approximate bandwidth of the DRV5055.
3.4 MCU
The MCU captures the ADC outputs and post-processes the digital data (that is, applies calibration,
normalization, and the decode function) to estimate the shaft angle. The EVM uses the MSP430FR4133,
an ultra-low-power MCU. The MSP430FR4133 natively supports a 7-segment LCD drive, and includes two
SPI interfaces to control the dual ADCs. The MPS430FR4133 also includes an optimized floating point
math library (MSPMATHLIB) to efficiently evaluate inverse trigonometric functions. ASIN is used for
single-sensor decoding, and ATAN2 is used for dual-sensor decoding. The MSP430 programming
interface is also accessible for experimentation.

1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
1 2
Main Circuit
5/24/2018
SENS036A_Main.SchDoc
Sheet Title:
Size:
Mod. Date:
File:
Sheet: of
B http://www.ti.com
Contact: http://www.ti.com/support
DRV505x Angle Sense EVMProject Title:
Designed for: Public Release
Assembly Variant: 001
© Te xas In struments 2018
Drawn By:
Engineer:
H. Munikoti
H.Munikoti
Texas Instruments and/or its licensors do not warrant the accuracy or completeness of this specification or any information contained therein. Texas Instruments and/or its licensors do not
warrant that this design will meet the specifications, will be suitable for your application or fit for any particular purpose, or will operate in an implementation. Texas Instruments and/or its
licensors do not warrant that the design is production worthy. You should completely validate and test your design implementation to confirm the system functionality for your application.
Version control disabledSVN Rev:
SENS036Number: Rev: A
TID #: N/A
Orderable: DRV5055-ANGLE-EVM
GND
VCC
GND
GND
GND
GND
GND GND
GND
VCC
1uF
C20
0
R9
RST
TEST
GND
GND
GND
GND
100
R1
100
R2
100
R3
100
R4
35V
1.5uF
C5
35V
1.5uF
C6
35V
1.5uF
C7
35V
1.5uF
C8
BUTTON
VCC
GND
10.0k
R7
GND
GND
VCC
S1
GND
GND
0
R11
TP1
DNP
TP2
DNP
TP3
DNP
TP4
DNP
SN74LVC1G17DCKT
42
U7A
SN74LVC1G17DCKT
VCC
5GND 3
NC
1
U7B
0.1uF
C15
0.1uF
C4
0.1uF
C3
0.1uF
C2
0.1uF
C1
10uF
C14
TLV75533PDBVR
OUT 5
GND 2
NC 4
EN
3
IN
1
U10
VCC
VCC
VCC
VCC
VCC
TEST
RST
BUTTON
GND GND
GND
GND
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
L28
3B 29
3A 30
3F 31
NC 39
COM1 40
U11
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
CS 4
SDO 3
SCLK 2
DVDD 1
GND
8
AVDD 7 AINP
6
AINM
5
ADS7042IDCUR
U8
CS 4
SDO 3
SCLK 2
DVDD 1
GND
8
AVDD 7 AINP
6
AINM
5
ADS7042IDCUR
U9
10uF
C21
GND
GND
GND
1uF
C19
1uF
C18
GND1uF
C16
0.1uF
C24
0.1uF
C26
0.1uF
C25
0.1uF
C23
GND
0.1uF
C9
GND
MUX0
MUX1
1uF
C17
V+ 1
2
3
IN1 4
5
GND
6
7IN2 8
9
10
TS3A24159DGSR
U5
OPA2314AIDGK
1
3
2
48
U6A
OPA2314AIDGK
7
5
6
4
8
U6B
GND
1500pF
C12
1500pF
C13
GND
GND
0.1uF
C10
GND
VCC
VCC
VCC
VCC
VCC
MUX1
D4
UCB0 bus is SPI master, UCA0 is a slave
VCC
VCC
P4.7/R13 1
P4.6/R23 2
P4.5/R33 3
P4.4/LCDCAP1 4
P4.3/LCDCAP0 5
P4.2/XOUT 6
P4.1/XIN 7
DVSS 8
DVCC
9
RST/NMI/SBWTDIO 10
TEST/SBWTCK 11
P4.0/TA1.1 12
P8.3/TA1.2 13
P8.2/TA1CLK 14
P8.1/ACLK/A9 15
P8.0/SMCLK/A8 16
P1.7/TA0.1/TDO/A7
17 P1.6/TA0.2/TDI/TCLK/A6
18 P1.5/TA0CLK/TMS/A5
19 P1.4/MCLK/TCK/A4/VREF+
20 P1.3/UCA0STE/A3
21 P1.2/UCA0CLK/A2
22 P1.1/UCA0RXD/UCA0SOMI/A1/Ve ref+
23 P1.0/UCA0TXD/UCA0SIMO/A0/Veref-
24
P5.7/L39
25 P5.6/L38
26 P5.5/L37
27 P5.4/L36
28 P5.3/UCB0SOMI/UCB0SCL/L35
29 P5.2/UCB0SIMO/UCB0SDA/L34
30 P5.1/UCB0CLK/L33
31 P5.0/UCB0STE/L32
32
P2.7/L31
33 P2.6/L30
34 P2.5/L29
35 P2.4/L28
36 P2.3/L27
37 P2.2/L26
38 P2.1/L25
39 P2.0/L24
40
P6.7/L23
41 P6.6/L22
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
P7.7/L7 57
P7.6/L6 58
P7.5/L5 59
P7.4/L4 60
P7.3/L3 61
P7.2/L2 62
P7.1/L1 63
P7.0/L0 64
MSP430FR4133IPMR
U12
GND
4E
DP3
4C
4D
DP2
3C
3D
3E
2E
DP1
2C
2D
1B
1C
1D
1E
COM
2G
2F
2A
2B
1G
1F
1A
3G
3F
3A
3B
4G
4F
4A
4B
1
2
D1
10.0k
R5
1
2
D2
10.0k
R12
1
2
D3
10.0k
R13
1
2
D4
10.0k
R14
VCC
D1 D2 D3 D4
GND
100
R15
1uF
C27
MUX0
D3
D1
D2
TP6
DNP
TP7
DNP
TP8
DNP
GND
TP9
DNP
TP12
DNP
TP10
DNP
TP11
DNP
TP13
TP5
PWM1
PWM2
PWM1
PWM2
VBUS 1
D- 2
D+ 3
ID 4
GND 5
6
7
8
11 10
9
J1
GND
DRV5055A1QLPGM
VCC
1OUT 3
GND 2
U2
DRV5055A3QDBZT
OUT 2 VCC
1
GND 3
U1
DRV5055A1QLPGM
VCC
1OUT 3
GND 2
U4
DRV5055A3QDBZT
OUT 2 VCC
1
GND 3
U3
1500pF
C22
47k
R10
309
R8
309
R6
5 4 1 2 3
J2
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DRV5055-ANGLE-EVM
4 Schematics, PCB Layout, and Bill of Materials
4.1 Schematics
Figure 5. Schematic of DRV5055-ANGLE-EVM

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DRV5055-ANGLE-EVM
4.2 PCB Layout
NOTE: PCB layout images are not to scale.
Figure 6. Top Overlay
Figure 7. Top Layer
Figure 8. Bottom Overlay
Figure 9. Bottom Layer

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DRV5055-ANGLE-EVM
4.3 Bill of Materials
Table 4 provides the parts list for the DRV5055-ANGLE-EVM.
Table 4. Bill of Materials
Designator Quantity Value Description Package Reference PartNumber Manufacturer
C1, C2, C3, C4, C9,
C10, C15, C23, C24,
C25, C26 11 0.1uF CAP, CERM, 0.1 uF, 25 V, +/- 10%, X7R, 0603 0603 C0603X104K3RACTU Kemet
C5, C6, C7, C8 4 1.5uF CAP, CERM, 1.5 uF, 35 V, +/- 10%, X5R, 0603 0603 C1608X5R1V155K080AC TDK
C12, C13, C22 3 1500pF CAP, CERM, 1500 pF, 50 V,+/- 5%, C0G/NP0,
0603 0603 GRM1885C1H152JA01J MuRata
C14, C21 2 10uF CAP, CERM, 10 uF, 10 V, +/- 10%, X7R, 0805 0805 885012207026 Wurth Elektronik
C16, C17, C18, C19,
C20, C27 6 1uF CAP, CERM, 1 uF, 16 V, +/- 10%, X7R, 0603 0603 C1608X7R1C105K080AC TDK
D1, D2, D3, D4 4 Green LED, Green, SMD LED_0805 APT2012LZGCK Kingbright
H1, H2, H3, H4 4 Bumpon, Hemisphere, 0.44 X 0.20, Clear Transparent Bumpon SJ-5303 (CLEAR) 3M
H5 1 Diametrically magnetized disc 0.5" dia x 0.125"
th N42, 2.79lbs D82DIA K&J Magnetics
H6 1 3D printed magnet holder Used in BOM report Used in BOM report
H7 1 As Required: SUPER GLUE LIQUID 0.1 OZ 8333-3G MG Chemicals
J1 1 Receptacle, USB 2.0, Micro-USB Type B, R/A,
SMT USB-micro B USB 2.0, 0.65mm, 5 Pos, R/A, SMT 10118194-0001LF FCI
J2 1 Header, 2.54mm, 5x1, Gold, R/A, TH Header, 2.54mm, 5x1,
R/A, TH PRPC005SBAN-M71RC Sullins Connector Solutions
PCB1 1 Printed Circuit Board SENS036 Any
R1, R2, R3, R4, R15 5 100 RES, 100, 1%, 0.1 W, 0603 0603 RC0603FR-07100RL Yageo
R5, R7, R12, R13, R14 5 10.0k RES, 10.0 k, 0.1%, 0.1 W, 0603 0603 RG1608P-103-B-T5 Susumu Co Ltd
R6, R8 2 309 RES, 309, 1%, 0.1 W, 0603 0603 RC0603FR-07309RL Yageo
R9, R11 2 0 RES, 0, 5%, 0.1 W, 0603 0603 RC0603JR-070RL Yageo
R10 1 47k RES, 47 k, 5%, 0.1 W, 0603 0603 RC0603JR-0747KL Yageo
S1 1 Switch, Tactile, SPST-NO, 0.02A, 15V, TH 6.0x5.0x6mm EVQ-21505R Panasonic
TP5 1 Test Point, Compact, Red, TH Red Compact Testpoint 5005 Keystone
TP13 1 Test Point, Compact, Black, TH Black Compact Testpoint 5006 Keystone
U1, U3 2 High Accuracy 3.3 V or 5 V Ratiometric Bipolar Hall Effect Sensor Family, DBZ0003A (SOT-23-
3) DBZ0003A DRV5055A3QDBZT Texas Instruments
U2, U4 2 High Accuracy 3.3 V or 5 V Ratiometric Bipolar
Hall Effect Sensor Family, LPG0003A (TO-92-3) LPG0003A DRV5055A1QLPGM Texas Instruments

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DRV5055-ANGLE-EVM
Table 4. Bill of Materials (continued)
Designator Quantity Value Description Package Reference PartNumber Manufacturer
U5 1 0.3-Ohm 2-Channel SPDT Bidirection Switch,
DGS0010A (VSSOP-10) DGS0010A TS3A24159DGSR Texas Instruments
U6 1 Dual, 3MHz, Low-Power, Low-Noise, RRI/O, 1.8V CMOS Operational Amplifier, DGK0008A
(VSSOP-8) DGK0008A OPA2314AIDGK Texas Instruments
U7 1 Single Schmitt-Trigger Buffer, DCK0005A,
SMALL T&R DCK0005A SN74LVC1G17DCKT Texas Instruments
U8, U9 2 12-Bit, 1-MSPS, Ultra-Low-Power and Ultra- Small-Size SAR ADC with SPI Interface,
DCU0008A (VSSOP-8) DCU0008A ADS7042IDCUR Texas Instruments
U10 1 500-mA, Low IQ, Small Size, Low Dropout
Regulator, DBV0005A (SOT-23-5) DBV0005A TLV75533PDBVR Texas Instruments
U11 1 LCD 7-Segment, TH 50.8x22.86mm VI-401-DP-RC-S Varitronix
U12 1 16 MHz Ultra-Low-Power Microcontroller with 16 KB FRAM, 2 KB SRAM, 60 IO, 10 ch
ADC10, LCD, IR Logic, PM0064A (LQFP-64) PM0064A MSP430FR4133IPMR Texas Instruments
FID1, FID2, FID3, FID4,
FID5, FID6 0 Fiducial mark. There is nothing to buy or mount. N/A N/A N/A
LBL1 0 PCB Label 0.650 x 0.200
inch THT-14-423-10 Brady
TP1, TP2, TP3, TP4,
TP6, TP7, TP8, TP9,
TP10, TP11, TP12 0 Test Point, Miniature, SMT Test Point, Miniature, SMT 5019 Keystone

STANDARD TERMS FOR EVALUATION MODULES
1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or
documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance
with the terms set forth herein. User's acceptance of the EVM is expressly subject to the following terms.
1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility
evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not
finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For
clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions
set forth herein but rather shall be subject to the applicable terms that accompany such Software
1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned,
or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production
system.
2Limited Warranty and Related Remedies/Disclaimers:
2.1 These terms do not apply to Software. The warranty, if any, for Software is covered in the applicable Software License
Agreement.
2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM
to User. Notwithstanding the foregoing, TI shall not be liable for a nonconforming EVM if (a) the nonconformity was caused by
neglect, misuse or mistreatment by an entity other than TI, including improper installation or testing, or for any EVMs that have
been altered or modified in any way by an entity other than TI, (b) the nonconformity resulted from User's design, specifications
or instructions for such EVMs or improper system design, or (c) User has not paid on time. Testing and other quality control
techniques are used to the extent TI deems necessary. TI does not test all parameters of each EVM.
User's claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects in the EVMs within ten (10)
business days after delivery, or of any hidden defects with ten (10) business days after the defect has been detected.
2.3 TI's sole liability shall be at its option to repair or replace EVMs that fail to conform to the warranty set forth above, or credit
User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the warranty
period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to repair or
replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall be
warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day
warranty period.
3Regulatory Notices:
3.1 United States
3.1.1 Notice applicable to EVMs not FCC-Approved:
FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software
associated with the kit to determine whether to incorporate such items in a finished product and software developers to write
software applications for use with the end product. This kit is not a finished product and when assembled may not be resold or
otherwise marketed unless all required FCC equipment authorizations are first obtained. Operation is subject to the condition
that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference.
Unless the assembled kit is designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must
operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter.
3.1.2 For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant:
CAUTION
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to
operate the equipment.
FCC Interference Statement for Class A EVM devices
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to
correct the interference at his own expense.

FCC Interference Statement for Class B EVM devices
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
3.2 Canada
3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210 or RSS-247
Concerning EVMs Including Radio Transmitters:
This device complies with Industry Canada license-exempt RSSs. Operation is subject to the following two conditions:
(1) this device may not cause interference, and (2) this device must accept any interference, including interference that may
cause undesired operation of the device.
Concernant les EVMs avec appareils radio:
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation
est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit
accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concerning EVMs Including Detachable Antennas:
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser)
gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type
and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for
successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types
listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated.
Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited
for use with this device.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et
d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage
radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope
rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le
présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le
manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne
non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de
l'émetteur
3.3 Japan
3.3.1 Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に
輸入される評価用キット、ボードについては、次のところをご覧ください。
http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page
3.3.2 Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan may not be certified
by TI as conforming to Technical Regulations of Radio Law of Japan.
If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required to follow the
instructions set forth by Radio Law of Japan, which includes, but is not limited to, the instructions below with respect to EVMs
(which for the avoidance of doubt are stated strictly for convenience and should be verified by User):
1. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal
Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for
Enforcement of Radio Law of Japan,
2. Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to
EVMs, or
3. Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan
with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note
that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan.

【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて
いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの
措置を取っていただく必要がありますのでご注意ください。
1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用
いただく。
2. 実験局の免許を取得後ご使用いただく。
3. 技術基準適合証明を取得後ご使用いただく。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ
ンスツルメンツ株式会社
東京都新宿区西新宿６丁目２４番１号
西新宿三井ビル
3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page
電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧ください。http:/
/www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page
3.4 European Union
3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive):
This is a class A product intended for use in environments other than domestic environments that are connected to a
low-voltage power-supply network that supplies buildings used for domestic purposes. In a domestic environment this
product may cause radio interference in which case the user may be required to take adequate measures.
4EVM Use Restrictions and Warnings:
4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT
LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling
or using the EVM, including without limitation any warning or restriction notices. The notices contain important safety information
related to, for example, temperatures and voltages.
4.3 Safety-Related Warnings and Restrictions:
4.3.1 User shall operate the EVM within TI’s recommended specifications and environmental considerations stated in the user
guide, other available documentation provided by TI, and any other applicable requirements and employ reasonable and
customary safeguards. Exceeding the specified performance ratings and specifications (including but not limited to input
and output voltage, current, power, and environmental ranges) for the EVM may cause personal injury or death, or
property damage. If there are questions concerning performance ratings and specifications, User should contact a TI
field representative prior to connecting interface electronics including input power and intended loads. Any loads applied
outside of the specified output range may also result in unintended and/or inaccurate operation and/or possible
permanent damage to the EVM and/or interface electronics. Please consult the EVM user guide prior to connecting any
load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative.
During normal operation, even with the inputs and outputs kept within the specified allowable ranges, some circuit
components may have elevated case temperatures. These components include but are not limited to linear regulators,
switching transistors, pass transistors, current sense resistors, and heat sinks, which can be identified using the
information in the associated documentation. When working with the EVM, please be aware that the EVM may become
very warm.
4.3.2 EVMs are intended solely for use by technically qualified, professional electronics experts who are familiar with the
dangers and application risks associated with handling electrical mechanical components, systems, and subsystems.
User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees,
affiliates, contractors or designees. User assumes all responsibility and liability to ensure that any interfaces (electronic
and/or mechanical) between the EVM and any human body are designed with suitable isolation and means to safely
limit accessible leakage currents to minimize the risk of electrical shock hazard. User assumes all responsibility and
liability for any improper or unsafe handling or use of the EVM by User or its employees, affiliates, contractors or
designees.
4.4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international, federal,
state, or local laws and regulations related to User’s handling and use of the EVM and, if applicable, User assumes all
responsibility and liability for compliance in all respects with such laws and regulations. User assumes all responsibility and
liability for proper disposal and recycling of the EVM consistent with all applicable international, federal, state, and local
requirements.
5. Accuracy of Information: To the extent TI provides information on the availability and function of EVMs, TI attempts to be as accurate
as possible. However, TI does not warrant the accuracy of EVM descriptions, EVM availability or other information on its websites as
accurate, complete, reliable, current, or error-free.

6. Disclaimers:
6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY MATERIALS PROVIDED WITH THE EVM (INCLUDING, BUT NOT
LIMITED TO, REFERENCE DESIGNS AND THE DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL
FAULTS." TI DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT
NOT LIMITED TO ANY EPIDEMIC FAILURE WARRANTY OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADE
SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS.
6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS SHALL BE
CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY OTHER INDUSTRIAL OR
INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD PARTY, TO USE THE
EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY INVENTION, DISCOVERY OR
IMPROVEMENT, REGARDLESS OF WHEN MADE, CONCEIVED OR ACQUIRED.
7. USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS. USER WILL DEFEND, INDEMNIFY AND HOLD TI, ITS
LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS, DAMAGES, LOSSES,
EXPENSES, COSTS AND LIABILITIES (COLLECTIVELY, "CLAIMS") ARISING OUT OF OR IN CONNECTION WITH ANY
HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS. THIS OBLIGATION SHALL APPLY
WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY OTHER LEGAL
THEORY, AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED.
8. Limitations on Damages and Liability:
8.1 General Limitations. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE,
INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE
TERMS OR THE USE OF THE EVMS , REGARDLESS OF WHETHER TI HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, COST OF REMOVAL OR
REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, RETESTING,
OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS, LOSS OF SAVINGS, LOSS OF
USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL BE BROUGHT AGAINST TI
MORE THAN TWELVE (12) MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS
OCCURRED.
8.2 Specific Limitations. IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY USE OF AN EVM PROVIDED
HEREUNDER, INCLUDING FROM ANY WARRANTY, INDEMITY OR OTHER OBLIGATION ARISING OUT OF OR IN
CONNECTION WITH THESE TERMS, , EXCEED THE TOTAL AMOUNT PAID TO TI BY USER FOR THE PARTICULAR
EVM(S) AT ISSUE DURING THE PRIOR TWELVE (12) MONTHS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE
CLAIMED. THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT.
9. Return Policy. Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s)
will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in
a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable
order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s),
excluding any postage or packaging costs.
10. Governing Law: These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas,
without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to
these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas.
Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief
in any United States or foreign court.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2018, Texas Instruments Incorporated

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