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6.

Disclaimers:

6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY WRITTEN DESIGN MATERIALS PROVIDED WITH THE EVM (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 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 AND

CONDITIONS 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 MADE, CONCEIVED OR ACQUIRED PRIOR TO OR AFTER DELIVERY OF
THE EVM.

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 AND CONDITIONS. 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 ANDCONDITIONS OR THE USE OF THE EVMS PROVIDED HEREUNDER, 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 ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED.

8.2

Specific Limitations.

IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY WARRANTY OR OTHER OBLIGATION

ARISING OUT OF OR IN CONNECTION WITH THESE TERMS AND CONDITIONS, OR ANY USE OF ANY TI EVM
PROVIDED HEREUNDER, EXCEED THE TOTAL AMOUNT PAID TO TI FOR THE PARTICULAR UNITS SOLD UNDER
THESE TERMS AND CONDITIONS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE CLAIMED. THE EXISTENCE
OF MORE THAN ONE CLAIM AGAINST THE PARTICULAR UNITS SOLD TO USER UNDER THESE TERMS AND
CONDITIONS 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 © 2014, Texas Instruments Incorporated

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Содержание TS3A227E

Страница 1: ...2 7 1 Connecting the LaunchPad to the EVM and PC 12 7 2 GUI Area Descriptions and Use 14 7 3 GUI Operation 16 7 4 Using the TS3A227E to Develop a Headset 17 7 5 Power Off Noise Removal Evaluation 18 7...

Страница 2: ...VM Bill of Materials 20 1 About this Manual This user s guide describes the TS3A227E evaluation module EVM and its intended use This guide contains the EVM schematics bill of materials and board layer...

Страница 3: ...p to four keys in the default mode Additionally the TS3A227E features the ability for on the fly key press bin adjustment and a raw ADC output mode to add the ability for the system to define non stan...

Страница 4: ...power test points translator on board MICBIAS output key press matrix and external codec interface 4 1 TS3A227E Design Under Test DUT The TS3A227E audio lines are connected to audio jack J4 Plug a he...

Страница 5: ...connection explanations follow Header J1 provides a point to check VCC or to provide the board power if the LaunchPad is not being used Header J2 provides a means to power the TS3A227E from the board...

Страница 6: ...J9 J8 J7 J11 J13 J6 TS3A227E EVM Connections Overview www ti com 4 3 Test Points The headers in Figure 4 provide breakout test points on the EVM for connecting to external hosts and systems Figure 4 B...

Страница 7: ...a different MICBIAS voltage is desired Pins 7 8 2 2 V Pins 5 6 2 5 V Pins 3 4 2 8 V Pins 1 2 user populated resistor Figure 6 On Board MICBIAS Output 4 6 Key Press Matrix The TS3A227E EVM features on...

Страница 8: ...jack J12 is provided to switch the microphone and ground of the EVM between the SLEEVE and RING2 pins Shorting pins 1 2 and pins 3 4 connects MICP to RING2 and SLEEVE to ground Shorting pins 2 4 and 1...

Страница 9: ...ontal Figure 9 LaunchPad Header Connections 2 With the LaunchPad still unplugged remove the right most jumper on the J5 header to match the yellow box in Figure 10 Figure 10 LaunchPad J5 Header Connec...

Страница 10: ...ch directory option and select the location where the source code is stored Click the Finish button and select debug launch to load the code to the MSP430G2553 microcontroller Once completed disconnec...

Страница 11: ...tep 1 3 The Application Install Security Warning window pops up Click the Install button Figure 12 Application Install Security Warning Window 4 After the installation finishes the GUI opens The GUI i...

Страница 12: ...ff noise removal evaluation and slow plug in issues 7 1 Connecting the LaunchPad to the EVM and PC Use the following steps to connect the LaunchPad to the EVM and PC 1 Connect the MSP430 LaunchPad to...

Страница 13: ...ot Populated J22 Pins 7 8 only No jumper on other pins J24 Populated J27 Pins 1 2 Pins 3 4 Pins 4 5 Pins 7 8 3 Connect the LaunchPad to the PC A blue LED now lights up along with the red and green LED...

Страница 14: ...SP430 to write the value entered to the TS3A227E For example if register 0x03 currently has the value 0x01 and bit 1 of that register is clicked bit 1 toggles from a value of 0 to a new value of 1 The...

Страница 15: ...inactive false GPIO The green section of the GUI are user input controls for the EVM Un checking Auto Write on Click disables the auto write feature when a bit is clicked Use the 5 Write buttons to w...

Страница 16: ...Auto Write on Click is enabled and a Reserved register bit in one of the R W registers is clicked the GUI does not populate that bit as a 1 in the register map The GUI still writes the existing value...

Страница 17: ...raw data mode Enabling raw data mode shows the exact detected resistance instead of the bin the resistor falls in Once setup attach the parallel or resistor between the SLEEVE and RING2 pins not betwe...

Страница 18: ...dio jack follows the guideline of having the detection mechanism on the tip pin but the mechanical structure of the jack trips too early for a standard insertion This causes an incorrect detection bec...

Страница 19: ...to VDD J3 is used to select between a separate VDDIO voltage and the MSP430 supply being used to power the board VCC VDDIO VDD GND VCC J1 VCC VCC VDD VCC is the MSP430 supply to the board J_VDD can be...

Страница 20: ...TH 6x4 3x6mm EVQ PAD04M Panasonic MK1 1 Microphone Omnidirectional 38DB TH TH 2 Leads Dia 5 8mm Pitch 1 9mm ROM 2238P NF R PUI Audio Q1 1 60V MOSFET N CH 60 V 0 24 A SOT 23 SOT 23 2N7002E T1 E3 Visha...

Страница 21: ...0 DCK0005A TPS71401DCKT Texas Instruments V Input with Low IQ 5 pin SC70 DCK 40 to 125 degC Green RoHS no Sb Br U3 1 8 Channel Bidirectional Multi Voltage Level Translator for Open Drain PW0020A LSF01...

Страница 22: ...8 3 PCB Layout Figure 23 through Figure 25 illustrate the TS3A227E EVM PCB layouts Figure 22 Top Copper 22 TS3A227E EVM User s Guide SLVUAD9 December 2014 Submit Documentation Feedback Copyright 2014...

Страница 23: ...www ti com Board Documentation Figure 23 Ground Plane Negative Image 23 SLVUAD9 December 2014 TS3A227E EVM User s Guide Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated...

Страница 24: ...Board Documentation www ti com Figure 24 Power Plane Negative Image 24 TS3A227E EVM User s Guide SLVUAD9 December 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated...

Страница 25: ...a227e Datasheet link http www ti com lit ds symlink ts3a227e pdf Link to software TBD Link to Code Composer Studio Wiki http www ti com tool CCSTUDIO Link to MSP430 LaunchPad http www ti com tool msp...

Страница 26: ...ing 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 repa...

Страница 27: ...essful 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 imped...

Страница 28: ...ified 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 sens...

Страница 29: ...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 L...

Страница 30: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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