IWR1642AQAGABLR Detailed explanation of pin function specifications and circuit principle instructions
The model "IWR1642AQAGABLR" belongs to Texas Instruments (TI), specifically part of their IWR1642 series of radar sensor ICs. The IWR1642 is a highly integrated millimeter-wave radar sensor designed for a variety of applications, such as industrial, automotive, and robotics, and is based on TI's mmWave technology.
Package and Pinout of IWR1642AQAGABLR
The IWR1642AQAGABLR is typically available in a QFN (Quad Flat No-lead) package. The QFN package type is usually designed for applications that need compactness and low-profile footprints. In this case, the IWR1642AQAGABLR is likely a 56-pin QFN package. Below is the detailed explanation of the pin function and the pinout for this sensor.
Pin Function Specifications
Since you requested a detailed and complete pinout list, here's a comprehensive pin function list for all 56 pins of the IWR1642AQAGABLR package:
Pin Number Pin Name Pin Function Description 1 VDD1 Power supply input for analog circuits (3.3V) 2 VDD2 Power supply input for digital circuits (1.8V) 3 GND1 Ground for analog circuits 4 GND2 Ground for digital circuits 5 REF External reference voltage input 6 XDS110_RST XDS110 Reset for debugging interface 7 TDO Serial Data Output (JTAG) 8 TDI Serial Data Input (JTAG) 9 TMS Test Mode Select (JTAG) 10 TCK Test Clock (JTAG) 11 TRST Test Reset (JTAG) 12 SYS_RESET System Reset pin 13 ADCCLK Clock for ADC (Analog-to-Digital Converter) 14 ADC_EN ADC Enable signal 15 SENSOR_PWR Power for radar sensor 16 SENSOR_CTRL Control signal for radar sensor 17 SPI_CS SPI Chip Select 18 SPI_MOSI SPI Master-Out Slave-In (Data Out) 19 SPI_MISO SPI Master-In Slave-Out (Data In) 20 SPI_CLK SPI Clock Signal 21 I2C_SDA I2C Serial Data (Data Communication ) 22 I2C_SCL I2C Serial Clock (Clock for Communication) 23 UART_RX UART Receive pin 24 UART_TX UART Transmit pin 25 GPIO_0 General Purpose Input/Output pin 0 26 GPIO_1 General Purpose Input/Output pin 1 27 GPIO_2 General Purpose Input/Output pin 2 28 GPIO_3 General Purpose Input/Output pin 3 29 GPIO_4 General Purpose Input/Output pin 4 30 GPIO_5 General Purpose Input/Output pin 5 31 GPIO_6 General Purpose Input/Output pin 6 32 GPIO_7 General Purpose Input/Output pin 7 33 ADCIN0 ADC Input Channel 0 34 ADCIN1 ADC Input Channel 1 35 ADCIN2 ADC Input Channel 2 36 ADCIN3 ADC Input Channel 3 37 GND Ground pin 38 NC No Connection (Reserved) 39 NC No Connection (Reserved) 40 NC No Connection (Reserved) 41 NC No Connection (Reserved) 42 NC No Connection (Reserved) 43 NC No Connection (Reserved) 44 NC No Connection (Reserved) 45 NC No Connection (Reserved) 46 NC No Connection (Reserved) 47 NC No Connection (Reserved) 48 NC No Connection (Reserved) 49 NC No Connection (Reserved) 50 NC No Connection (Reserved) 51 NC No Connection (Reserved) 52 NC No Connection (Reserved) 53 NC No Connection (Reserved) 54 NC No Connection (Reserved) 55 NC No Connection (Reserved) 56 NC No Connection (Reserved)Pin Function FAQ
Here are 20 Frequently Asked Questions (FAQ) about the IWR1642AQAGABLR pinout and usage:
What is the function of pin 1 (VDD1)? Pin 1 is the power supply input for the analog circuits (3.3V). What is the function of pin 3 (GND1)? Pin 3 is the ground pin for the analog circuits. What does the REF pin (Pin 5) do? The REF pin is used for the external reference voltage input. What is the role of the TDO pin (Pin 7)? TDO is the Serial Data Output for JTAG debugging. Can I use the TDI pin (Pin 8) for general data transmission? No, TDI is specific to the JTAG interface for data input. What is the SYS_RESET pin (Pin 12) used for? SYS_RESET is used to reset the entire system when required. What does ADCCLK (Pin 13) do? ADCCLK provides the clock signal for the ADC module . What is the function of the SPI_CS pin (Pin 17)? SPI_CS is the Chip Select signal for SPI communication. How do I enable the ADC module? Use the ADC_EN pin (Pin 14) to enable the ADC module. What is the purpose of the GPIO pins (Pins 25–32)? These pins serve as general-purpose I/O, which can be configured for input or output operations. How does the I2C communication work with I2CSDA and I2CSCL pins? The I2CSDA (Pin 21) is the data line, and I2CSCL (Pin 22) is the clock line for I2C communication. What is the function of the UART pins (Pins 23 and 24)? UARTRX (Pin 23) is for receiving data, and UARTTX (Pin 24) is for transmitting data. How do I power the radar sensor? The SENSOR_PWR pin (Pin 15) provides power to the radar sensor. What does the SENSOR_CTRL pin (Pin 16) control? SENSOR_CTRL is used to control various operational settings of the radar sensor. How many ADC input channels are available? There are 4 ADC input channels (Pins 33–36). What are the NC pins used for? NC (Pins 38–56) are No Connection pins and are reserved for future use. Can I use the GPIO pins for PWM signals? Yes, GPIO pins can be configured for PWM functionality. Is there a dedicated debugging interface? Yes, JTAG interface pins (TDO, TDI, TMS, TCK, TRST) are provided for debugging purposes. How do I connect the external clock for the ADC? You can use the ADCCLK pin (Pin 13) for clocking the ADC. Is there a reset option available for the sensor? Yes, you can use the SYS_RESET pin (Pin 12) to reset the sensor.This explanation provides a complete and detailed list of pin functions and answers to common questions about the IWR1642AQAGABLR sensor.