SWRA794B
June 2024 – February 2025
AWRL1432
,
AWRL6432
,
AWRL6844
,
IWRL1432
,
IWRL6432
,
IWRL6844
1
Abstract
Trademarks
1
Acronyms Used in This Document
2
Introduction
3
Purpose of Calibrations
4
Typical Stages of Calibration
4.1
Factory Calibrations
4.2
APLL Calibration
4.3
Runtime Calibrations
5
List and Description of Calibrations
5.1
APLL Hardware Calibration
5.2
Synthesizer VCO Calibration
5.3
LO Distribution Calibration
5.4
Power Detector Calibration
5.5
TX Power Calibration
5.6
RX Gain Calibration
5.7
RX IFA Calibration
6
Software configurability of Calibrations
6.1
Software Sequence for Factory Calibrations
6.1.1
mmWaveLink Initialization
6.1.2
FECSS Power-On
6.1.3
APLL Power-On and Hardware Calibration
6.1.4
RF Channel Configuration
6.1.5
Trigger Factory Calibrations
6.1.6
Factory Calibration Data Store
6.1.7
APLL Power-Off
6.1.8
FECSS Power-Off
6.1.9
mmWaveLink De-Initialization
6.2
Software Sequence for Runtime (In-Field) Operation
6.2.1
Initialization
6.2.1.1
mmWaveLink Initialization
6.2.1.2
FECSS Power-On
6.2.1.3
APLL Power-On and Hardware Calibration
6.2.1.4
Factory Calibration Data Restore
6.2.1.5
Temperature Sensor Configuration
6.2.2
Profile Configuration
6.2.2.1
Profile Common Configuration
6.2.2.2
Profile Time Configuration
6.2.2.3
Frame Configuration
6.2.3
Runtime Calibration
6.2.3.1
Temperature Sensor Trigger
6.2.3.2
Runtime Calibration Configure and Trigger
6.2.3.3
Tx CLPC Calibration
6.2.4
Frame Trigger
6.2.4.1
Sensor Start
6.2.4.2
Sensor Status
6.2.4.3
Sensor Stop
6.2.5
Deep Sleep Entry and Exit
6.2.6
De-Initialization
7
Recommended Calibration Sequence: OLPC vs CLPC
7.1
Safety Application With OLPC Tx Power Cal - xWRLx432 and xWRL68xx
7.2
Non-Safety Application With OLPC Tx Power Cal - xWRLx432 and xWRL68xx
7.3
Application With CLPC Tx Power Cal - xWRLx432
7.4
Application With CLPC Tx Power Cal - xWRL68xx
8
Summary
9
References
10
Revision History
Application Note
Calibrations in TI Low-Power mmWave Radar Sensors