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CY3631 WirelessUSB™ Manufacturing Test Kit User Guide, Doc. # 001-66724 Rev. *B

Hardware

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Содержание CY3631

Страница 1: ...631 WirelessUSB Manufacturing Test Kit User Guide Doc 001 66724 Rev B Cypress Semiconductor 198 Champion Court San Jose CA 95134 1709 Phone USA 800 858 1810 Phone Intnl 408 943 2600 http www cypress c...

Страница 2: ...WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Cypress reserves the right to make changes without further notice to the materials described herein Cypress does not assume any liab...

Страница 3: ...Standard Test 8 2 3 Calibration 9 3 Hardware 11 3 1 Theory of Operation 11 3 2 Schematic 11 4 Firmware 13 4 1 Overview 13 4 2 DUT Test Code 13 4 2 1 CY4672 PRoC LP RDK Bridge 13 4 2 2 CY4672 PRoC LP R...

Страница 4: ...4 CY3631 WirelessUSB Manufacturing Test Kit User Guide Doc 001 66724 Rev B Contents...

Страница 5: ...onents open cold solder joints and pin to pin shorts cause a large reduction in transmitted power or receive sensitivity if the unit functions A simple functionality test at maximum range eliminates m...

Страница 6: ...ions for Guides Convention Usage Courier New Displays file locations user entered text and source code C cd icc Italics Displays file names and reference documentation Read about the sourcefile hex fi...

Страница 7: ...ons or tighten your finger to avoid damaging the connectors It is important that the connections are tight enough so that proper contact is made Loose connections can impact the repeatability of the t...

Страница 8: ...19 for instructions on changing the standard test configuration After the test environment is set up put the device to be tested into manufacturing test mode and place it in the shielded container The...

Страница 9: ...in the same location and orientation every time It is recommended that you use a test fixture or some other means to ensure proper placement of the DUT each time If alignment guides are added to the c...

Страница 10: ...se line is established by passing the test the attenuation is increased and the test repeated Doing this several times increasing the attenuation each time eventually reaches the level where the golde...

Страница 11: ...UT and expects the MTK DUT to reply to the same packet with the RX status LEDs on the test fixture indicate if the test succeeds or fails To change the parameters for standard tests such as channel nu...

Страница 12: ...12 CY3631 WirelessUSB Manufacturing Test Kit User Guide Doc 001 66724 Rev B Hardware...

Страница 13: ...e contains the command type and the remaining bytes contain the parameter value All commands are executed after the received packets are echoed The DUT manufacturing test code adds approximately 500 8...

Страница 14: ...de to the keyboard If MFG_TEST_CODE is defined and ENTER_BY_PIN is not defined you can enter the manufacturing test mode by holding down the system sleep key and the Bind button while inserting the ba...

Страница 15: ...n the MTK test fixture and the MTK DUT contain two bytes The first byte contains the command type and the subsequent byte s contain the parameter values as shown in Table 4 1 Table 4 1 RF Commands Not...

Страница 16: ...16 CY3631 WirelessUSB Manufacturing Test Kit User Guide Doc 001 66724 Rev B Firmware...

Страница 17: ...Command Command Description ST Start standard test PN PN code Configure pin code index 0 7 TT tx error threshold Configure TX error threshold 0 65535 units of bit errors RT rx error threshold Configu...

Страница 18: ...carriage return and linefeed All responses end with a carriage return and linefeed The serial port settings for the MTK test fixture are shown in Table 5 3 Neither software nor hardware handshake is...

Страница 19: ...ntered in hexadecimal format without any prefix or postfix characters see the help menu for an example The letters in the hexadecimal numbers may be lowercase as well A listing of all the supported co...

Страница 20: ...leted the request The PD command and the Standard Test command ST both report additional information of bit error rates The TE result is the number of bit errors counted by the DUT and is computed on...

Страница 21: ...d3 3d 8a 3e d5 3f 3e OK MTK The standard test can be executed from the PC by typing the ST command at the command prompt in the terminal window The first channel is set to 255 and all following channe...

Страница 22: ...d the connectors for passing signals through the walls The requirements are as follows Attenuation of incoming RF energy 30 dB at 2 4 GHz Attenuation of reflected RF energy 15 dB at 2 4 GHz 7 5 dB eac...

Страница 23: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Cypress Semiconductor CY3631...

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