Overview

This reference design presents multi-channel measurement for industrial networks and Wi-Fi. The signal processing required for sensing is performed by the microcontroller (MCU) with the high-precision analog front-end (AFE) mounted on the edge side. This makes it possible to reduce the processing load on the host MCU.

System Benefits​:

  • A custom industrial network is easily realized by host MCU and sensor unit with edge MCU
  • Distributed control of sensor edge: Complete from AD conversion to digital signal processing required for sensing on the sensor edge with high-performance edge MCU
  • High-precision sensing by an analog front-end with less than 0.1% precision without calibration
  • Easily link with other systems via Wi-Fi

Applications

  • Data logger
  • Data acquisition (DAQ)
  • Recorder

Winning Combinations Interactive Diagram

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4:3 ratio Sheet.1 Sheet.2 Sheet.3 Sheet.4 JP212 JP212 JP212 LDO LDO LDO Various Sensor Voltage Current Temperature Vibration Acceleration...etc Various Sensor Voltage Current Temperature Vibration Accelera... Various Sensor Voltage Current Temperature Vibration Acceleration...etc Channel 2 Channel 2 Channel 2 Channel 3 Channel 3 Channel 3 Channel n Channel n Channel n Isolated AC/DC Isolated AC/DC Isolated AC/DC Host MCU Host MCU Host MCU SPI SPI SPI UART UART UART Ether Count. Ether Count. Ether Count. LCDC LCDC LCDC Ether PHY Ether PHY Ether PHY Buck Regulator Buck Regulator Buck Regulator Wi-Fi Module Wi-Fi Module Wi-Fi Module Capacitor Non-polarized Sheet.50 Sheet.51 Sheet.52 Sheet.53 Resistor - Fixed Antenna Sheet.56 Sheet.57 Sheet.58 Sheet.59 Sheet.60 LCD/LED Segment Display Sheet.91 Sheet.92 Sheet.93 Sheet.94 Sheet.95 Sheet.96 Sheet.97 Sheet.98 Sheet.99 Sheet.100 Sheet.101 Sheet.102 Sheet.103 Sheet.104 Sheet.105 Sheet.106 Sheet.107 Sheet.108 Sheet.109 Sheet.110 Sheet.111 Sheet.112 Sheet.113 Sheet.114 Sheet.115 Sheet.116 Sheet.117 Sheet.118 Sheet.119 Sheet.120 ON ON Sheet.121 OFF OFF Sheet.122 Sheet.123 Sheet.124 Sheet.125 Sheet.126 Sheet.127 Sheet.128 Sheet.129 Sheet.130 Sheet.131 Diode Sheet.133 Sheet.134 Sheet.135 Connector 1.164 Sheet.137 Connector 1.164.138 Connector 1.164.139 Connector 1.164.140 Sheet.141 Sheet.142 Sheet.143 Sheet.144 Sheet.145 Sheet.146 Sheet.147 Sheet.148 Sheet.149 Sheet.150 Sheet.151 Sheet.152 Sheet.153 Sheet.154 Sheet.155 Sheet.156 Sheet.157 Sheet.158 Sheet.159 Sheet.160 Sheet.161 Sheet.162 Connector 1.164.163 Connector 1.164.164 Connector 1.164.165 Sheet.166 Sheet.167 Sheet.168 Connector 1.164.169 Connector 1.164.170 Connector 1.164.171 Sheet.174 Sheet.175 Sheet.176 Connector 1.177 Connector 1.178 Connector 1.179 Sheet.181 Sheet.182 Sheet.183 Connector 1.184 Connector 1.185 Connector 1.186 Connector 1.164.187 Connector 1.164.188 Sheet.189 Sheet.190 Sheet.191 3.3V <1A 3.3V <1A 3.3V <1A 4V 4V 4V Isolation Isolation Isolation SCK SCK SCK MOSI MOSI MOSI MISO MISO MISO 3V <500mA 3V <500mA 3V <500mA Connector 1.164.200 Connector 2 Channel 1 Channel 1 Channel 1 Connector 1.164.203 Connector 1.164.204 Sheet.213 3V <500mA 3V <500mA 3V <500mA Sheet.215 Sheet.216 Ethernet Ethernet Ethernet SCK SCK SCK MOSI MOSI MOSI MISO MISO MISO Same Configuration as Channel 1 Same Configuration as Channel 1 Same Configuration as Channel 1 Same Configuration as Channel 1 Same Configuration as Channel 1 Same Configuration as Channel 1 Same Configuration as Channel 1 Same Configuration as Channel 1 Same Configuration as Channel 1 Inductor Coreless (Air conductor) Sheet.27 Sheet.28 Sheet.29 Sheet.30 Sheet.31 Sheet.32 Sheet.33 Sheet.34 Sheet.35 Line.841 Inductor Air Core.212 Sheet.39 Sheet.40 Sheet.41 Sheet.42 Sheet.43 Sheet.44 Sheet.45 Sheet.46 Sheet.47 Line.29 Sheet.230 Photocoupler x2 Photocoupler x2 Photocoupler x2 Photocoupler Photocoupler Photocoupler Inductor Coreless (Air conductor).231 Sheet.232 Sheet.233 Sheet.234 Sheet.235 Sheet.236 Sheet.237 Sheet.238 Sheet.239 Sheet.240 Inductor Coreless (Air conductor).241 Sheet.242 Sheet.243 Sheet.244 Sheet.245 Sheet.246 Sheet.247 Sheet.248 Sheet.249 Sheet.250 Inductor Coreless (Air conductor).251 Sheet.252 Sheet.253 Sheet.254 Sheet.255 Sheet.256 Sheet.257 Sheet.258 Sheet.259 Sheet.260 Sheet.261 Sheet.272 Edge MCU Edge MCU Edge MCU SPI SPI SPI ADC 2 ADC ADC Op Amp Peripheral Op Amp Comparator Sheet.266 Sheet.267 Driver Sheet.269 Sheet.270 Sheet.271

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