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![Page 1: } u v Ç d W o v - Eiger Design · W P î } ( í î } Ç ] P Z î ì Æ Æ } u v Ç d Z Z Á Z o o } u o o Ç v o } ] v Z ( ] Æ µ Á Z } ] o v Z o o v } Æ ò ì ì u u Æ](https://reader033.pdfslide.us/reader033/viewer/2022042612/5f62ed1e89d1dc3a1317e3b5/html5/thumbnails/1.jpg)
A Company
Reference Areference Revision Rev A Date 23/08/2016
Page 1 of 12 Copyright © 2016 Eigerdesign
Test Plan Example Module Test Plan
Introduction
This document details the test plan for the Example Module design (UUT) to be manufactured at Example Company in Germany.
The Example UUT is a high-power Bluetooth transmitter with a universal IO interface. The device uses an Atmel SAM3 Arm processor and TI SOC Bluetooth communications IC. The device is connected via a single Samtec MEC8 20way edge connector interface and is powered by a 3V to 3.6V supply with a maximum 100mA current draw.
The UUT is 80mm x 80mm and have 4 mounting point and each edge.
Other useful information on the UUT and its function
Reference documents
RF-Ti-cMOD-r1.9.X.X_BlockDiagram_RevB.PDF
RF-Ti-cMOD-r1.9.X.X_Schematic_RevD.PDF
RF-Ti-cMOD-1.9.X .X_Gerber_RevB.PDF
RF-Ti-cMOD-r1.9.X.X_3D_STEP_RevC.PDF
Assumptions
Customer supplies pre-tested special test firmware as per section <UUT Test Firmware Communications> and <UUT Test Firmware Tasks>
Customer provides a Data Transmitter device & firmware as per section <Data Transmitter>
Appropriate test points (<=32mil Diameter) will be provided on the UUT bottom side only for test contacting, with a test point pitch of greater than 1.5mm.
Test Overview
The UUT will have the below tests completed:
Initial low voltage current test (checks for excessive current at initial power-up) Programming test (Download Test firmware) UUT Power at lowest voltage UUT Power at highest voltage Test firmware communications Oscillator test / module IO at speed tests Module IO test (including shorts tests between external IOs) Communications test (Using the Data Transmitter) PDet voltage test UUT in CW Transmit Mode RF power test – Straight Through (No PA) RF power test – Via PA Frequency test Final Programming and Verification
Each UUT within a 4up panel shall be powered/tested individually, one at a time, to reduce the test complexity and because RF interference could occur between the closely coupled RF devices.
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Page 2 of 12 Copyright © 20xx A Company
Test Hardware
The test hardware shall be completely enclosed in the test fixture where possible and shall not exceed 600mm x 600mm footprint.
The test hardware must contain clearly marked indicators for ‘Pass’ and ‘Fail’ at the front of the test unit.
The test hardware must contain indicators for when each of the 4 UUT is powered
Test Software and Sequencer
The test software will be based around the Marvin AT-Easy platform and will generate individual reports, per UUT, recorded against the read serial number.
Each test will be separate such that it can be selected or deselected from the test sequencer (Supervisor Level).
The software shall make full use of the J-Safe architecture of the J-Testr.
Test Mechanics
The UUT will be tested using a ‘Bed of Nails’ within a RF shielded area to isolate external RF interference as much as possible. The RF enclosure will incorporate RF absorbing material to minimize the effect of reflections on measurements.
A single RF antenna will be mounted, inside the RF enclosure, roughly central to all UUTs to maximize signal reception and reduce signal strength variation.
Fixture PlateEnclosed RF area
(internal view)
Dat
aTr
ansm
itter
Test
Syst
em
RF P
ower
Met
er
Antenna
UUT1
UUT2
UUT3
UUT3
Serial Number
The serial number shall be obtained from the unique ID of the processor chip via a SW command
The read serial number must be used in the test report name, appended with the time/date of the test to allow a single UUT to be tested multiple times and allows for a report to exist for each time a UUT is tested.
If the unit fails before the ID is read a default temporary name will be used instead.
Test Report
The test report must contain all items tested with details as listed below:
Name within the test group (i.e. UUT 1)
Name of test
Test result
Test limits
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Page 3 of 12 Copyright © 20xx A Company
UUT Test Firmware Communications
The UUT test firmware will perform tests, as detailed in section <Test Procedure and Results>, upon receipt of a single character/byte received at pin B5 of the UUT Arm processor.
The UART shall be set-up as below:
9600 Baud
8 Data Bits
1 Stop bit
No Parity
No Flow control
The test firmware will be continuously listening for ‘action’ characters (capital letter) and then action the required test immediately on receipt. The test firmware will echo the command character, as its lower-case version, from UART TX pin B6 of the UUT main processor.
All Signals will be 3.3V CMOS.
UUT Test Firmware Tasks
Char Task Note
A Output frequency, derived from 16Mhz clock, on pin:
UART_RTS – 2MHz
Connection
At Speed Test
(16MHz Oscillator Test)
B Output frequency, derived from 16Mhz clock, on pins:
MOD10_19 – 8MHz
MOD10_22 – 4MHz
MOD10_23 – 2MHz
MOD10_24 – 1MHz
Connection
At Speed Test
C Output frequency, derived from 16Mhz clock, on pins:
MOD10_25 – 8MHz
MOD10_26 – 4MHz
MOD10_27 – 2MHz
MOD10_28 – 1MHz
Connection
At Speed Test
D Set only UART_RTS to output ‘1’ (All other IOs to Input with pull down) Connect/Shorts Test
E Set only MOD10_19 to output ‘1’ (All other IOs to Input with pull down) Connect/Shorts Test
F Set only MOD10_22 to output ‘1’ (All other IOs to Input with pull down) Connect/Shorts Test
G Set only MOD10_23 to output ‘1’ (All other IOs to Input with pull down) Connect/Shorts Test
H Set only MOD10_24 to output ‘1’ (All other IOs to Input with pull down) Connect/Shorts Test
I Set only MOD10_25 to output ‘1’ (All other IOs to Input with pull down) Connect/Shorts Test
J Set only MOD10_26 to output ‘1’ (All other IOs to Input with pull down) Connect/Shorts Test
K Set only MOD10_27 to output ‘1’ (All other IOs to Input with pull down) Connect/Shorts Test
L Set only MOD10_28 to output ‘1’ (All other IOs to Input with pull down) Connect/Shorts Test
M Start the receiver test and report result on UART_RTS pin within 1.5 seconds of acknowledging the command request
RX Testing
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Page 4 of 12 Copyright © 20xx A Company
0 = Fail
1 = Pass
N Set UUT to output CW at maximum power TX Testing
X Reset the UUT to Default Condition
Y Read the Device ID in Human readable format (response = \r\n”123456789AB”\r\n”y”)
Serial Number
Firmware Default Condition
All I/Os (i.e. UART_RTS + MOD10_19 – MOD10_28) set to inputs
RF power off
Firmware looking for commands on UART RX and UART TX idle (high).
Data Transmitter
The Data Transmitter will be inside the RF shielded area and must be able to be shutdown to avoid unnecessary noise generation inside the RF chamber when UUT RF power measurements are being taken.
The Data Transmitter will be a standard UUT Unit with special firmware that has the following operation:
The Data Transmitter is set-up to repeatable transmit a specific data packet, with a specific time interval between each packet, such that a UUT can count the number of successfully received packets within any given time window.
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Page 5 of 12 Copyright © 20xx A Company
Test Procedure and Results
Programming test
Setup The UUT will be powered up to a voltage of 3000mV +/- 20mV
Task Program the UUT via the Arm processors SWD Port
Result Pass = Programming successful
Fail = Programmer un-successful
Coverage Processor powered and functional, SWDIO and SWDCLK lines are connected
Power test at low voltage
Setup The UUT will be set to a voltage of 3000mV +/- 20mV
Task UUT current measured with an accuracy of +/- 2mA
Result 20mA<result>30mA
Coverage No component power issues or resistive short at minimum voltage
Power test at high voltage
Setup The UUT will be increased to a voltage of 3600mV +/- 20mV
Task UUT current measured with an accuracy of +/- 2mA
Result 20mA<result>30mA
Coverage No component power issues or resistive short at high voltage
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Page 6 of 12 Copyright © 20xx A Company
Communications and UART_RTS at speed test
Setup UUT supply to be set to 3000mV +/- 20mV
Character ‘A’ will be communicated to the UUT to initiate the test
Task Successful return of the task character in lower case
The UUT will be measured, with 10ppm tolerance, to be outputting a frequency of 2MHz at the UART_RTS pin
Result 1,999,950Hz<result>2,000,030Hz
Post Test Actions Character ‘X’ will be communicated to the UUT to reset the UUT to its default state
Coverage UART communications
UART_RTS pin at Speed
Communications and MOD10_19 to MOD10_24 at speed test
Setup UUT supply to be set to 3000mV +/- 20mV
Character ‘B’ will be communicated to the UUT to initiate the test
Task Successful return of the task character in lower case
The UUT will be measured, with 10ppm tolerance, to be outputting a frequency of 8MHz at the MOD10_19 pin
The UUT will be measured, with 10ppm tolerance, to be outputting a frequency of 4MHz at the MOD10_22 pin
The UUT will be measured, with 10ppm tolerance, to be outputting a frequency of 2MHz at the MOD10_23 pin
The UUT will be measured, with 10ppm tolerance, to be outputting a frequency of 1MHz at the MOD10_24 pin
Results 7,999,880Hz<result>8,000,120Hz
3,999,940Hz<result>4,000,060Hz
1,999,970Hz<result>2,000,030Hz
999,985Hz<result>1,000,015Hz
Post Test Actions Character ‘X’ will be communicated to the UUT to reset the UUT to its default state
Coverage UART Communications
MOD10_19 pin at Speed
MOD10_22 pin at Speed
MOD10_23 pin at Speed
MOD10_24 pin at Speed
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Page 7 of 12 Copyright © 20xx A Company
Communications and MOD10_25 to MOD10_28 at speed test
Setup UUT Supply to be set to of 3000mV +/- 20mV
Character ‘C’ will be communicated to the UUT to initiate the test
Task Successful return of the task character in lower case
The UUT will be measured, with 10ppm tolerance, to be outputting a frequency of 8MHz at the MOD10_25 pin
The UUT will be measured, with 10ppm tolerance, to be outputting a frequency of 4MHz at the MOD10_26 pin
The UUT will be measured, with 10ppm tolerance, to be outputting a frequency of 2MHz at the MOD10_27 pin
The UUT will be measured, with 10ppm tolerance, to be outputting a frequency of 1MHz at the MOD10_28 pin
Results 7,999,880Hz<result>8,000,120Hz
3,999,940Hz<result>4,000,060Hz
1,999,970Hz<result>2,000,030Hz
999,985Hz<result>1,000,015Hz
Post Test Actions Character ‘X’ will be communicated to the UUT to reset the UUT to its default state
Coverage UART communications
MOD10_25 pin at Speed
MOD10_26 pin at Speed
MOD10_27 pin at Speed
MOD10_28 pin at Speed
Connection and short test UART_RTS
Setup UUT Supply to be set to 3000mV +/- 20mV
Character ‘D’ will be communicated to the UUT to initiate the test
Task Successful return of the task character in lower case
Check that only UART_RTS is logic high
Results Pass = UART_RTS is high
Fail = Any other pin is high
Post Test Actions Character ‘X’ will be communicated to the UUT to reset the UUT to its default state
Coverage UART_RTS connection and shorts to other IO lines
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Page 8 of 12 Copyright © 20xx A Company
Connection and short test MOD10_xx
Setup UUT Supply to be set to 3000mV +/- 20mV
Character ‘*’ will be communicated to the UUT to initiate the test
* See <UUT Test Firmware Tasks> for relevant task command character
Task Successful return of the task character in lower case
Check that only MOD10_xx is logic high
Results Pass = MOD10_xx is high
Fail = Any other pin is high
Post Test Actions Character ‘X’ will be communicated to the UUT to reset the UUT to its default state
Coverage MOD10_xx connection and shorts to other lines
Receiver communications test
Setup UUT Supply to be set to 3000mV +/- 20mV
Data Transmitter supply set to 3500mV +/- 20Mv and turned ‘on’
Character ‘M’ will be communicated to the UUT to initiate the test
Task Successful return of the task character in lower case
The UUT will receive packets from the Data Transmitter and indicate Pass ‘1’ or Fail ‘0’ at the UART_RTS pin within 1.5 seconds of acknowledging the command request
Result UART_RTS = ‘1’ = Pass // UART_RTS = ‘0’ = Fail
Post Test Actions Data Transmitter supply to be turned ‘Off’
Character ‘X’ will be communicated to the UUT to reset the UUT to its default state
Coverage UUT receive capability
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Page 9 of 12 Copyright © 20xx A Company
RF power and frequency test
Setup UUT Supply to be set to 3000mV +/- 20mV
Character ‘N’ will be communicated to the UUT to initiate the test
Task Successful return of the task character in lower case
The UUT will be permanently outputting a CW RF signal at the strongest power available.
The test system will measure:
RF power in db +/- 1db
RF Frequency in MHz +/- 100Hz
UUT current in mA +/- 2mA
Result dB characterised by UUT position (Limits will be set based on characterisations)
2421.95MHz<result>2422.05MHz
60mA<result>70mA
Post Test Actions Character ‘X’ will be communicated to the UUT to reset the UUT to its default state
Coverage RF signal path
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Page 10 of 12 Copyright © 20xx A Company
Functional Firmware Verification Test
Setup UUT Supply to be set to 3000mV +/ 20mV
Functional firmware downloaded
Baud rate changed to 115200
Verification firmware version
Task After downloading of the function firmware, reset the UUT with a full power cycle and apply an appropriate power up delay greater than 100ms
Send the below string to the UUT:
"\r\nVersion?\r\n"
Wait approximately 100ms for a response
Expected return string:
“\r\nGood\r\n\r\nVersionString\r\n”
Extract ‘VersionString’ from the returned data, as appropriate, using the preceding and proceeding ‘/r/n’ pairs
Compare extracted ‘VersionString’ with the required version number
Result UUT read ‘version’ matches the programmed firmware version number.
Post Test Actions De-power the UUT
Coverage Function firmware correctly downloaded
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Page 11 of 12 Copyright © 20xx A Company
INTRODUCTION .......................................................................................................................................................... 1
REFERENCE DOCUMENTS ............................................................................................................................................ 1
ASSUMPTIONS ............................................................................................................................................................ 1
TEST OVERVIEW.......................................................................................................................................................... 1
TEST HARDWARE ........................................................................................................................................................ 2
TEST SOFTWARE AND SEQUENCER ............................................................................................................................. 2
TEST MECHANICS ........................................................................................................................................................ 2
SERIAL NUMBER ......................................................................................................................................................... 2
TEST REPORT .............................................................................................................................................................. 2
UUT TEST FIRMWARE COMMUNICATIONS ................................................................................................................. 3
UUT TEST FIRMWARE TASKS ....................................................................................................................................... 3
FIRMWARE DEFAULT CONDITION ............................................................................................................................... 4
DATA TRANSMITTER ................................................................................................................................................... 4
TEST PROCEDURE AND RESULTS ................................................................................................................................. 5
PROGRAMMING TEST ............................................................................................................................................................ 5 Setup ........................................................................................................................................................................... 5 Task ............................................................................................................................................................................. 5 Result .......................................................................................................................................................................... 5 Coverage ..................................................................................................................................................................... 5
POWER TEST AT LOW VOLTAGE ............................................................................................................................................... 5 Setup ........................................................................................................................................................................... 5 Task ............................................................................................................................................................................. 5 Result .......................................................................................................................................................................... 5 Coverage ..................................................................................................................................................................... 5
POWER TEST AT HIGH VOLTAGE ............................................................................................................................................... 5 Setup ........................................................................................................................................................................... 5 Task ............................................................................................................................................................................. 5 Result .......................................................................................................................................................................... 5 Coverage ..................................................................................................................................................................... 5
COMMUNICATIONS AND UART_RTS AT SPEED TEST .................................................................................................................. 6 Setup ........................................................................................................................................................................... 6 Task ............................................................................................................................................................................. 6 Result .......................................................................................................................................................................... 6 Post Test Actions ......................................................................................................................................................... 6 Coverage ..................................................................................................................................................................... 6
COMMUNICATIONS AND MOD10_19 TO MOD10_24 AT SPEED TEST ......................................................................................... 6 Setup ........................................................................................................................................................................... 6 Task ............................................................................................................................................................................. 6 Results ......................................................................................................................................................................... 6 Post Test Actions ......................................................................................................................................................... 6 Coverage ..................................................................................................................................................................... 6
COMMUNICATIONS AND MOD10_25 TO MOD10_28 AT SPEED TEST ......................................................................................... 7 Setup ........................................................................................................................................................................... 7 Task ............................................................................................................................................................................. 7
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Results ......................................................................................................................................................................... 7 Post Test Actions ......................................................................................................................................................... 7 Coverage ..................................................................................................................................................................... 7
CONNECTION AND SHORT TEST UART_RTS .............................................................................................................................. 7 Setup ........................................................................................................................................................................... 7 Task ............................................................................................................................................................................. 7 Results ......................................................................................................................................................................... 7 Post Test Actions ......................................................................................................................................................... 7 Coverage ..................................................................................................................................................................... 7
CONNECTION AND SHORT TEST MOD10_XX ............................................................................................................................. 8 Setup ........................................................................................................................................................................... 8 Task ............................................................................................................................................................................. 8 Results ......................................................................................................................................................................... 8 Post Test Actions ......................................................................................................................................................... 8 Coverage ..................................................................................................................................................................... 8
RECEIVER COMMUNICATIONS TEST .......................................................................................................................................... 8 Setup ........................................................................................................................................................................... 8 Task ............................................................................................................................................................................. 8 Result .......................................................................................................................................................................... 8 Post Test Actions ......................................................................................................................................................... 8 Coverage ..................................................................................................................................................................... 8
RF POWER AND FREQUENCY TEST ............................................................................................................................................ 9 Setup ........................................................................................................................................................................... 9 Task ............................................................................................................................................................................. 9 Result .......................................................................................................................................................................... 9 Post Test Actions ......................................................................................................................................................... 9 Coverage ..................................................................................................................................................................... 9
FUNCTIONAL FIRMWARE VERIFICATION TEST........................................................................................................................... 10 Setup ......................................................................................................................................................................... 10 Task ........................................................................................................................................................................... 10 Result ........................................................................................................................................................................ 10 Post Test Actions ....................................................................................................................................................... 10 Coverage ................................................................................................................................................................... 10
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