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IC-TW14 Datasheet(PDF) 5 Page - IC-Haus GmbH |
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IC-TW14 Datasheet(HTML) 5 Page - IC-Haus GmbH |
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5 / 33 page  iC-TW14 iC-PMX Companion Chip Rev A1, Page 5/33 PIN FUNCTIONS No. Name I/O Function Description 1 MDI Digital Output SSI Multi-turn Data output Connect to multiturn data input (MDI) pin of singleturn sensor and pull-up resistor to VDD. 2 MCL Digital Input SSI Multi-turn Clock Connect to multiturn clock (MCL) pin of singleturn sensor and pull-up resistor to VDD. 3 VDD Supply Power Input 5V power input. 4 GND Supply common Power Supply and Signal Common 5 MRDY Digital Output SSI Multi-turn Data Ready Connect to multiturn data ready (MRDY) pin of singleturn sensor and pull-down resistor to GND. 6 NPRE Digital Input, ac- tive low Preset Multi-turn Position Presets internal multiturn position to zero. Can be connected to a push-button switch and pull-up resistor for easy calibration. Must be pulled up to VDD if not used. 7 NCS Digital Output, active low SPI Chip Select Connect to iC-PMX NCS (pin 26) and pull-up resistor to VDD. 8 MISO Digital Input SPI Master Data Input Connect to iC-PMX MISO (pin 29) and pull-down resistor to GND. 9 SH Digital Output Switch Hall Sensor Connect to iC-PMX SH (pin 25) and pull-down resistor to GND. 10 VWP Analog Input Scaled Wiegand Pulse Voltage Connect to iC-PMX VWC via a resistive voltage divider to allow mea- suring Wiegand pulse voltage without overloading the iC-TW14 ADC. Connect to GND if Wiegand pulse voltage measurement diagnostic is not required. 11 HOP Analog Input Hall Output Positive Connect to iC-PMX HOP (pin 23). Connect to GND if iC-PMX single- turn sensors are not used. 12 HON Analog Input Hall Output Negative Connect to iC-PMX HON (pin 24). Connect to GND if iC-PMX single- turn sensors are not used. 13 MOSI Digital Output SPI Master Data Output Connect to iC-PMX MOSI (pin 28). 14 SCK Digital Output SPI Data Clock Connect to iC-PMX SCK (pin 27). 15 TX Digital Output UART Serial Output Serial output for communication with PC for setup and diagnostics. 16 RX Digital Input UART Serial Input Serial input for communication with PC for setup and diagnostics. 17 P17 Reserved Connect to GND via pull-down resistor. 18 P18 Reserved Connect to GND via pull-down resistor. 19 P19 Reserved Connect to GND via pull-down resistor. 20 P20 Reserved Connect to GND via pull-down resistor. 21 RDY Digital Input iC-PMX Ready Connect to iC-PMX RDY (pin 30) and pull-down resistor to GND. 22 P22 Reserved Connect to GND via pull-down resistor. 23 NRES Digital Input, active low Reset Input Must be connected to VDD through a pull-up resistor. 24 P24 Reserved Connect to GND via pull-down resistor. |
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