SWRS317
May 2023
IWR1843AOP
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
3.1
Functional Block Diagram
4
Revision History
5
Device Comparison
5.1
Related Products
6
Terminal Configuration and Functions
6.1
Pin Diagram
6.2
Pin Attributes
6.3
Signal Descriptions
6.3.1
Pin Functions - Digital and Analog [ALP Package]
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Power-On Hours (POH)
7.4
Recommended Operating Conditions
7.5
Power Supply Specifications
7.6
Power Consumption Summary
7.7
RF Specification
7.8
CPU Specifications
7.9
Thermal Resistance Characteristics for FCBGA Package [ALP0180A]
7.10
Timing and Switching Characteristics
7.10.1
Antenna Radiation Patterns
7.10.1.1
Antenna Radiation Patterns for Receiver
7.10.1.2
Antenna Radiation Patterns for Transmitter
7.10.2
Antenna Positions
7.10.3
Power Supply Sequencing and Reset Timing
7.10.4
Input Clocks and Oscillators
7.10.4.1
Clock Specifications
7.10.5
Multibuffered / Standard Serial Peripheral Interface (MibSPI)
7.10.5.1
Peripheral Description
7.10.5.2
MibSPI Transmit and Receive RAM Organization
7.10.5.2.1
SPI Timing Conditions
7.10.5.2.2
SPI Controller Mode Switching Parameters (CLOCK PHASE = 0, SPICLK = output, SPISIMO = output, and SPISOMI = input)
7.10.5.2.3
SPI Controller Mode Switching Parameters (CLOCK PHASE = 1, SPICLK = output, SPISIMO = output, and SPISOMI = input)
7.10.5.3
SPI Peripheral Mode I/O Timings
7.10.5.3.1
SPI Peripheral Mode Switching Parameters (SPICLK = input, SPISIMO = input, and SPISOMI = output)
7.10.5.4
Typical Interface Protocol Diagram (Peripheral Mode)
7.10.6
LVDS Interface Configuration
7.10.6.1
LVDS Interface Timings
7.10.7
General-Purpose Input/Output
7.10.7.1
Switching Characteristics for Output Timing versus Load Capacitance (CL) #GUID-A9917993-C388-4AAC-B9C6-6B2BF583E88E/T4362547-45 #GUID-A9917993-C388-4AAC-B9C6-6B2BF583E88E/T4362547-50
7.10.8
Controller Area Network Interface (DCAN)
7.10.8.1
Dynamic Characteristics for the DCANx TX and RX Pins
7.10.9
Controller Area Network - Flexible Data-rate (CAN-FD)
7.10.9.1
Dynamic Characteristics for the CANx TX and RX Pins
7.10.10
Serial Communication Interface (SCI)
7.10.10.1
SCI Timing Requirements
7.10.11
Inter-Integrated Circuit Interface (I2C)
7.10.11.1
I2C Timing Requirements #GUID-D26A1D00-D5E4-49AB-AFF7-B0ED1920A8A5/T4362547-185
7.10.12
Quad Serial Peripheral Interface (QSPI)
7.10.12.1
QSPI Timing Conditions
7.10.12.2
Timing Requirements for QSPI Input (Read) Timings #GUID-F4461E81-32E4-4CB7-B562-43AFC94843D1/T4362547-210 #GUID-F4461E81-32E4-4CB7-B562-43AFC94843D1/T4362547-209
7.10.12.3
QSPI Switching Characteristics
7.10.13
ETM Trace Interface
7.10.13.1
ETMTRACE Timing Conditions
7.10.13.2
ETM TRACE Switching Characteristics
7.10.14
Data Modification Module (DMM)
7.10.14.1
DMM Timing Requirements
7.10.15
JTAG Interface
7.10.15.1
JTAG Timing Conditions
7.10.15.2
Timing Requirements for IEEE 1149.1 JTAG
7.10.15.3
Switching Characteristics Over Recommended Operating Conditions for IEEE 1149.1 JTAG
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Subsystems
8.3.1
RF and Analog Subsystem
8.3.1.1
Clock Subsystem
8.3.1.2
Transmit Subsystem
8.3.1.3
Receive Subsystem
8.3.2
Processor Subsystem
8.3.3
Host Interface
8.3.4
Main Subsystem Cortex-R4F Memory Map
8.3.5
DSP Subsystem Memory Map
8.4
Other Subsystems
8.4.1
ADC Channels (Service) for User Application
8.4.1.1
GP-ADC Parameter
9
Monitoring and Diagnostics
9.1
Monitoring and Diagnostic Mechanisms
9.1.1
Error Signaling Module
10
Applications, Implementation, and Layout
10.1
Application Information
10.2
Reference Schematic
11
Device and Documentation Support
11.1
Device Nomenclature
11.2
Tools and Software
11.3
Documentation Support
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
12.1
Packaging Information
Package Options
Mechanical Data (Package|Pins)
ALP|180
MPBGAS7A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
swrs317_oa
1
Features
FMCW transceiver
Integrated 4 receivers and 3 transmitters Antennas-On-Package (AOP)
Integrated PLL, transmitter, receiver, Baseband, and ADC
76- to 81-GHz coverage with 4 GHz available bandwidth
Ultra-accurate chirp engine based on fractional-N PLL
TX Effective isotropic radiated power (EIRP): 16 dBm
RX Effective isotropic noise figure: 10 dB (76 to 81 GHz)
Phase noise at 1 MHz:
–95 dBc/Hz (76 to 77 GHz)
–93 dBc/Hz (77 to 81 GHz)
Built-in calibration and self-test (monitoring)
Arm®
Cortex®
-R4F-based radio control system
Built-in firmware (ROM)
Self-calibrating system across process and temperature
C674x DSP for FMCW signal processing
On-chip Memory: 2MB RAM
Arm Cortex-R4F microcontroller for object tracking and classification, and interface control
Supports autonomous mode (loading user application from QSPI flash memory)
Host interface
CAN (two instances, one being CAN-FD)
Other interfaces available to user application
Up to 6 general purpose ADC channels
Up to 2 SPI ports
Up to 2 UARTs
I
2
C
GPIOs
2-lane LVDS interface for raw ADC data and debug instrumentation
Device Security (
on select part numbers
)
Secure authenticated and encrypted boot support
Customer programmable root keys, symmetric keys (256 bit), Asymmetric keys (up to RSA-2K) with Key revocation capability
Crypto software accelerators - PKA , AES (up to 256 bit), SHA (up to 256 bit), TRNG/DRGB
Functional safety targeted for SIL-2
IWR1843AOP advanced features
Embedded self-monitoring with no host processor involvement
Complex baseband architecture
Embedded interference detection capability
Programmable phase rotators in transmit path to enable beam forming
Power management
Built-in LDO network for enhanced PSRR
I/Os support dual voltage 3.3 V/1.8 V
Clock source
Supports external oscillator at 40 MHz
Supports externally driven clock (square/sine) at 40 MHz
Supports 40 MHz crystal connection with load capacitors
Easy hardware design
0.8-mm pitch, 180-pin 15 mm × 15 mm flip chip BGA package (ALP) for easy assembly and low-cost PCB design
Small solution size
Operating Conditions
Junction Temperature range: –40°C to 125°C