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TC1797
Table of Contents
Data Sheet 1 V1.3, 2014-08
Table of Contents
1 Summary of Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 About this Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.1 Related Documentations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.2 Text Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.3 Reserved, Undefined, and Unimple me nte d Terminology . . . . . . . . . . . . 9
2.1.4 Register Access Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1.5 Abbreviations and Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 System Architecture of the TC1797 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.2.1 TC1797 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.2.2 System Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.2.3 CPU Cores of the TC1797 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.2.3.1 High-performance 32-bit CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.2.3.2 High-performance 32-bit Peripheral Control Processor . . . . . . . . . . . 17
2.3 On-Chip System Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.1 Flexible Interrupt System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.2 Direct Memory Access Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.3 System Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.3.4 System Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.4.1 Clock Generation Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.4.2 Features of the Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.4.3 Reset Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.4.4 External Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.3.4.5 Die Temperature Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.3.5 General Purpose I/O Ports and Peripheral I/O Lines . . . . . . . . . . . . . . . 23
2.3.6 Program Memory Unit (PMU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.3.6.1 Boot ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.3.6.2 Overlay RAM and Data Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.3.6.3 Emulation Memory Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.3.6.4 Tuning Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.3.6.5 Program and Data Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.3.7 Data Access Overlay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2.4 Development Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2.5 On-Chip Peripheral Units of the TC1797 . . . . . . . . . . . . . . . . . . . . . . . . . . 32
2.5.1 Asynchronous/Synchronous Seria l Interfaces . . . . . . . . . . . . . . . . . . . . 33
2.5.2 High-Speed Synchronous Serial Interfaces . . . . . . . . . . . . . . . . . . . . . . 35
2.5.3 Micro Second Channel Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
2.5.4 FlexRay™ Protocol Controller (Mod_Name) . . . . . . . . . . . . . . . . . . . . . 39
2.5.4.1 Mod_Name Kernel Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
2.5.4.2 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40