IWR6843 Features
60GHz to 64ghz single chip intelligent millimeter wave sensor with integrated processing function
IWR6843 is an integrated single chip millimeter wave sensor based on FMCW radar technology, which can operate in the frequency band of 60GHz to 64ghz. The device is constructed in TI's low-power 45nm RF CMOS process, and achieves unprecedented integration in a very small package. IWR6843 is an ideal solution for low-power, self-monitoring and ultra precision radar system in industrial field.
n FMCW transceiver
l Integrated PLL, transmitter, receiver, Baseband, and A2D
l 60- to 64-GHz coverage with 4-GHz continuous bandwidth
l Four receive channels
l Three transmit channels
l Supports 6-bit phase shifter
l TX power:：12dBm(10dBm)
l Ultra-accurate chirp engine based on fractional-N PLL
l RX noise figure：
u 12dB(14dB)
l Phase noise at 1 MHz：
u -93dBc/Hz(92dBc/Hz)
n Built-in calibration and self-test
l ARM® Cortex®-R4F-based radio control system
l Built-in firmware (ROM)
l Self-calibrating system across frequency and temperature
n C674x DSP for advanced signal processing
n Hardware accelerator for FFT, filtering, and CFAR processing
n ARM-R4F microcontroller for object detection, and interface control
l Supports autonomous mode (loading user application from QSPI flash memory)
n Internal memory with ECC
l IWR6843: 1.75 MB, divided into MSS program RAM (512 KB), MSS data RAM (192 KB), DSP L1 RAM (64KB) and L2 RAM (256 KB), and L3 radar data cube RAM (768 KB)
l Technical reference manual includes allowed size modifications
n Other interfaces available to user application
l Up to 6 ADC channels (low sample rate monitoring)
l Up to 2 SPI ports
l Up to 2 UARTs
l 1 CAN-FD interface
l I2C
l GPIO
l 2 lane LVDS interface for raw ADC data and debug instrumentation
n Hardware integrity up to SIL-2 targeted
n Power management
l Built-in LDO network for enhanced PSRR
l I/Os support dual voltage 3.3 V/1.8 V
n Clock source
l 40.0 MHz crystal with internal oscillator
l Supports external oscillator at 40 MHz
l Supports externally driven clock (square/sine) at 40 MHz
n Operating conditions:
l Junction temperature range of –40°C to 105°C
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AWR6843 Features
A single chip 60GHz to 64GHz automotive radar sensor integrated with DSP, MCU and radar accelerator
The AWR6843 is an integrated single chip mmWave sensor based on FMCW radar technology capable of operation in the 60-GHz to 64-GHz band. It is built with TI’s low power45-nm RFCMOS process and enables unprecedented levels of integration in an extremely small formfactor. The AWR6843 is an ideal solution for low power, self-monitored, ultra-accurate radar systems in the automotive space. Multiple automotive qualified variants are currently available including Functional Safety-Compliant targeted devices and non-functional safety devices.
n FMCW transceiver
l Integrated PLL, transmitter, receiver, Baseband,and A2D
l 60- to 64-GHz coverage with 4-GHz continuous bandwidth
l Four receive channels
l Three transmit channels
l Supports 6-bit phase shifter
l Ultra-accurate chirp engine based on fractional-N PLL
l TX power:：10dBm(12dBm)
l RX noise figure:：
u 14dB(12dB)
l Phase noise at 1 MHz：
u -92dBc/Hz(93dBc/Hz)
n Built-in calibration and self-test
l ARM® Cortex®-R4F-based radio control system
l Built-in firmware (ROM)
l Self-calibrating system across frequency and temperature
n C674x DSP for advanced signal processing
n Hardware accelerator for FFT, filtering, and CFAR processing
n Memory compression
n ARM-R4F microcontroller for object detection, and interface control
l Supports autonomous mode (loading user application from QSPI flash memory)
n Internal memory with ECC
l 1.75 MB, divided into MSS program RAM (512KB), MSS data RAM (192 KB), DSP L1RAM (64KB) and L2 RAM (256 KB), and L3 radar data cube RAM (768 KB)
l Technical reference manual includes allowed size modifications
n Other interfaces available to user application
l Up to 6 ADC channels (low sample rate monitoring)
l Up to 2 SPI ports
l Up to 2 UARTs
l 2 CAN-FD interfaces
l I2C
l GPIO
l 2 lane LVDS interface for raw ADC data and debug instrumentation
n Functional Safety-Compliant targeted
l Developed for functional safety applications
l Documentation will be available to aid ISO 26262 functional safety system design
l Hardware integrity up to ASIL-B targeted
l Safety-related certification ISO 26262 certification by TUV Sud planned
n AEC-Q100 qualified
n Power management
l Built-in LDO network for enhanced PSRR
l I/Os support dual voltage 3.3 V/1.8 V
n Clock source
l 40.0 MHz crystal with internal oscillator
l Supports external oscillator at 40 MHz
l Supports externally driven clock (square/sine) at 40 MHz
n Supports automotive temperature operating range
