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CONFIDENTIAL AND PROPRIETARY 

The Information contained in this document shall remain the sole exclusive property of s.m.s smart microwave sensors GmbH and shall not 
be disclosed by the recipient to third parties without prior consent of s.m.s smart microwave sensors GmbH in writing. 
 
UMRR-0Axxxx Type31 Operational Description.docx  Version 1   

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Abbreviations 

ADC 

Analog-to-digital converter 

CAN 

Controller area network 

DAC 

Digital-to-analog converter 

DSP 

Digital signal processing; digital signal processor 

EEPROM  Electrically erasable programmable read-only memory 
FMCW  Frequency modulated continuous wave 
MMIC 

Monolithic microwave integrated circuit 

RAM 

Random access memory 

RS485  Physical communication layer standard EIA RS-485 
SPI 

Serial peripheral interface 

UMRR 

Universal medium-range radar 

 

Содержание UMRR-0A

Страница 1: ...prior consent of s m s smart microwave sensors GmbH in writing UMRR 0Axxxx Type31 Operational Description docx Version 1 I Page 1 of 19 I August 22 2013 Project Documentation UMRR 0A Radar Sensor Docu...

Страница 2: ...troduction 4 4 General description 5 4 1 Sensor description 5 4 2 Transmit Signal 6 4 3 General Performance Data 6 5 Hardware 7 5 1 UMRR sensor 7 5 2 Sensor Dimensions 9 6 Cables and connectors 11 6 1...

Страница 3: ...Description docx Version 1 I Page 3 of 19 I August 22 2013 2 Abbreviations ADC Analog to digital converter CAN Controller area network DAC Digital to analog converter DSP Digital signal processing di...

Страница 4: ...the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing UMRR 0Axxxx Type31 Operational Description docx Version 1 I Page 4 of 19 I August 22 2013 3 Intro...

Страница 5: ...s cycle by cycle The UMRR sensor consists of two printed circuit boards The DSP board and the RF transceiver board The major component of the DSP board is the DSP TMS320F28335 which integrates flash m...

Страница 6: ...ugust 22 2013 4 2 Transmit Signal The UMRR transmit frequency is located in the 24 GHz ISM band 24050 MHz to 24250 MHz the used bandwidth is smaller than 200 MHz The maximum transmit power is 12 7dBm...

Страница 7: ...the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing UMRR 0Axxxx Type31 Operational Description docx Version 1 I Page 7 of 19 I August 22 2013 5 Hardwa...

Страница 8: ...perty of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing UMRR 0Axxxx Type31 Opera...

Страница 9: ...ors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing UMRR 0Axxxx Type31 Operational Description docx Version 1 I...

Страница 10: ...ive property of s m s smart microwave sensors GmbH and shall not be disclosed by the recipient to third parties without prior consent of s m s smart microwave sensors GmbH in writing UMRR 0Axxxx Type3...

Страница 11: ...used to connect to the sensor The pin numbering of the female connector is shown in Figure 6 the pin out of the connector is shown in Table 1 Figure 6 Female counterpart of sensor connector rear view...

Страница 12: ...the value of SYNCSEG Figure 7 is always equal to 1 TQ Time Quantum and it corresponds to the value Sync in Figure 8 TSEG1 Figure 7 combines the two time segments Prop and Phase 1 Figure 8 as defined...

Страница 13: ...odule on DSP TMS320F28335 Figure 8 CAN bit timing as defined by the CAN protocol 7 3 RS485 data interface The RS485 interface from the UMRR sensor has a predefined speed of 230400 baud s Typical other...

Страница 14: ...Page 14 of 19 I August 22 2013 Table 2 RS485 message structure Byte Bit 7 6 5 4 3 2 1 0 0 Start sequence 4 x UINT8 0xCA 1 0xCB 2 0xCC 3 0xCD x Data payload n x UINT8 x x x x x x x 0 XOR Checksum UINT8...

Страница 15: ...s smart microwave sensors GmbH in writing UMRR 0Axxxx Type31 Operational Description docx Version 1 I Page 15 of 19 I August 22 2013 Table 3 Structure of a RS485 data payload block Byte Bit 7 6 5 4 3...

Страница 16: ...9 an extract of the DSP board schematic of the UMRR is given As can be seen in this figure the CAN pins of the DSP TMS320F28335 are connected to a CAN transceiver which is connected to the pins CAN_L...

Страница 17: ...rpose medium range radar is suitable for any application where the distance to and relative radial speed of large objects has to be measured Typical applications are Automotive measure shortest distan...

Страница 18: ...nt 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...

Страница 19: ...Page 19 of 19 I August 22 2013 9 2 Declaration of Conformity for CANADA 9 2 1 Declaration of Conformity in English This device complies with RSS 310 of Industry Canada Operation is subject to the cond...

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