Preliminary analysis of smart microwave radar module

Jane Medium ： This paper makes a preliminary analysis of the Weibo module from smart , Prepared the information of the chip seen on the module , Lay the foundation for later testing .

key word ： Silicon Badge , Millimeter wave ,S5KM312

 

§01 model Block basic information

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   this It is a product from Lingdong company SuYong The microwave module sent . The following is a preliminary test .

1.1 Module basic information

1.1.1 The composition of the module

   The Weibo module includes two circuit boards ：

• Signal processing board + The antenna ;
• Signal transfer circuit board ;

▲ chart 1.1.1 Signal processing board in the module （ Left ） And interface board （ Right ）

（1） Signal processing board

   The signal processing class includes the front antenna and the back signal processing circuit .

 Ⅰ. Front of signal processing board

   The signal processing board contains a signal processing circuit . There are two IC. The details are given later .

▲ chart 1.1.2 Front of signal processing board

 Ⅱ. The reverse side of the signal processing board

   The reverse side of the signal processing board includes an antenna . There are three identical antennas in total . in addition , The filling is surrounded by an array of metal squares . Why do things turn out like this? ？ I do not know! .

▲ chart 1.1.3 The reverse side of the signal processing board

（2） Signal transfer board

 Ⅰ. Front of signal adapter board

   From the front of the signal adapter board , It includes 13 Output signal line , A power cord . The connector is 28PIN Interface . For even numbers PIN All interfaces are grounded ; technology PIN The interface contains 13 A signal and a power cord .

▲ chart 1.1.4 Front of signal adapter board

 Ⅱ. Reverse side of signal transfer board

   The following is the reverse signal of the signal adapter board . You can find Nanjing silicon classic microsystem .

▲ chart 1.1.5 The reverse side of the signal transfer board

1.1.2 Chip on the module

   There are two processes on the signal processing board IC chip .

（1）S5KM312CL

   Now we can't find the corresponding S5KM312 Relevant data manuals .

▲ chart 1.2.3 S5KM321CL Processing chip

（2）VUB1 Ti

   The specific chip model and data manual are not found .

▲ chart 1.2.5 Power processing chip

1.2 Information about silicon badge

   According to “ Silicon Badge ”, Find information about the corresponding company .

▲ chart 1.2.1 Silicon icon chart
▲ chart 1.2.2 Processing single chip and test module

1.2.1 Related processing chip

   stay “ Refined at the core , Simple in form “, Focus on millimeter wave sensors SoC Silicon micro of Technology given Silicon badge company Full integrated chip information .

▲ chart 1.1.6 Integrated into a single chip

stay Redefine existential induction | Silicon micro releases the reference design of life existence induction yes Silicon Badge The official website of the company .

1.2.2 S5KM312

   stay Silicon badge Product Center Single chip processing IC Related information .

   On the website through After search You can get S5MK312C Data manual : https://download.s21i.faiusr.com/19255264/0/0/ABUIABA9GAAg9NKI9gUo8JK3wgc.pdf?f=Data+Brief_+S5KM312C_V1.3_2020_04_13.pdf&v=1589782900

▲ chart 1.2.4 Single chip millimeter wave sensor

• The main features of the chip ：

  • Integrate PLL、TX、RX and ADC, Simplify system design
  • Multiple pieces can be used in cascade , Expand the number of channels
  • On film DSP Hardware acceleration , Minimize off chip signal processing resources
  • Built in power management module ,3.3V Single supply voltage supply
  • peripherals IIC/ SPI/ UART And so on

• main parameter ：

▲ chart 1.2.5 S5KM312 main parameter

• System diagram ：

▲ chart 1.2.6 System diagram

 

§02S5KM312

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2.1 A concise manual

2.2 Data manual

   Data book download link ：

• S5KM312C : https://download.s21i.faiusr.com/19255264/0/0/ABUIABA9GAAg9NKI9gUo8JK3wgc.pdf?f=Data+Brief_+S5KM312C_V1.3_2020_04_13.pdf&v=1589782900

 

※ junction    On ※

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   Ben This paper makes a preliminary analysis of the Weibo module from Lingdong , Prepared the information of the chip seen on the module , Lay the foundation for later testing .

   then , You can know S5KM312 Just a simple description document , There is no detailed use data manual . Relevant information that has been sent to the administrator through the message on the website .

▲ chart 3.1 S5KM312 Internal function block diagram of

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■ Links to related literature :

• “ Refined at the core , Simple in form “, Focus on millimeter wave sensors SoC Silicon micro of Technology
• Redefine existential induction | Silicon micro releases the reference design of life existence induction
• Silicon badge Product Center
• After search
• S5MK312C Data manual

● Related chart Links :

• chart 1.1.1 Signal processing board in the module （ Left ） And interface board （ Right ）
• chart 1.1.2 Front of signal processing board
• chart 1.1.3 The reverse side of the signal processing board
• chart 1.1.4 Front of signal adapter board
• chart 1.1.5 The reverse side of the signal transfer board
• chart 1.2.3 S5KM321CL Processing chip
• chart 1.2.5 Power processing chip
• chart 1.2.1 Silicon icon chart
• chart 1.2.2 Processing single chip and test module
• chart 1.1.6 Integrated into a single chip
• chart 1.2.4 Single chip millimeter wave sensor
• chart 1.2.5 S5KM312 main parameter
• chart 1.2.6 System diagram
• chart 3.1 S5KM312 Internal function block diagram of