User's Guide

Table of Contents
Introduction.....................................................................................................................................................1
Features ........................................................................................................................................................ 1
1. Quick References....................................................................................................................................4
1.1. Reference Documentation............................................................................................................4
1.2. Hardware Prerequisites................................................................................................................4
2. Kit Overview............................................................................................................................................ 5
2.1. Immobilizer Block......................................................................................................................... 5
2.2. RKE Block.................................................................................................................................... 5
2.3. PEPS Block.................................................................................................................................. 6
3. Kit Setup..................................................................................................................................................7
4. CARS Kit PC Evaluation Utility............................................................................................................... 9
4.1. Programming Kit Software........................................................................................................... 9
4.2. Determining the ATSAMC21-XPRO Virtual COM Port Number...................................................9
4.3. COM Port and Baud Rate Settings............................................................................................ 10
4.4. Initial Configuration of the CARS Kit PC Evaluation Utility ........................................................10
5. System Operation................................................................................................................................. 13
5.1. Immobilizer Operation................................................................................................................ 13
5.2. Remote Keyless Entry Operation............................................................................................... 14
5.2.1. RKE Operation.............................................................................................................14
5.3. PEPS Operation......................................................................................................................... 15
5.3.1. System Configuration Window Overview.....................................................................15
5.3.2. PEPS Message Status Window Overview...................................................................17
5.3.3. Identifying FOBS within LF Range...............................................................................19
5.3.4. Fob Calibration Overview............................................................................................ 19
5.3.5. Fob Calibration Process ............................................................................................. 20
5.3.6. PEPS Wake-up Functionality.......................................................................................29
5.3.7. PEPS Communication................................................................................................. 30
6. Programming Instructions..................................................................................................................... 33
6.1. Programming the ATA5702 on the ATAB5702A Fob Board....................................................... 33
6.2. Programming the ATA5831 on the ATA5831-XPRO Board........................................................35
6.3. Programming the SAMC21J18A on the ATSAMC21-XPRO Board........................................... 37
7. XPRO USB Driver Installation...............................................................................................................40
8. Document Revision History...................................................................................................................41
The Microchip Website.................................................................................................................................42
Product Change Notification Service............................................................................................................42
Customer Support........................................................................................................................................ 42
Microchip Devices Code Protection Feature................................................................................................ 42
ATAN0219
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User Guide
DS50003051A-page 2
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