Infineon Technologies TC1796 - Page 906

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TC1796

System Units (Vol. 1 of 2)

Interrupt System

User’s Manual 14-17 V2.0, 2007-07

Interrupt, V2.0

Figure 14-3 Interrupt Vector Table

8 Words

8 Words

MCA05744

Interrupt Vector Table

8 Words

8 Words

BIV

PN = 0 (never used)

PN = 1

PN = 2

PN = 3

PN = 4

PN = 5

PN = 255

Priority Number

(may not be used

if spanned by ISR

with PN = 2)

Service

Routine

may span

several

entries

Table of Contents

Table of Contents9
- System Units (Vol. 1 of 2)9
- Peripheral Units (Vol. 2 of 2)28
1 Introduction40
- 1.1 About this Document40
- 1.2 System Architecture of the TC179647
  - 1.2.1 TC1796 Block Diagram48
  - 1.2.2 Features49
- 1.3 On-Chip Peripheral Units of the TC179653
- 1.4 TC1796 Pin Definitions and Functions73
2 CPU Subsystem98
- 2.1 TC1796 Processor Subsystem98
- 2.2 Central Processing Unit Features99
- 2.3 Implementation-specific Features104
- 2.4 TC1796 CPU Subsystem Registers106
- 2.5 Program Memory Interface (PMI)121
- 2.6 Data Memory Interface (DMI)128
- 2.7 Instruction Timing137
  - 2.7.1 Integer-Pipeline Instructions138
  - 2.7.2 Load-Store Pipeline Instructions145
- 2.8 Floating Point Pipeline Timings149
3 Clock System and Control150
- 3.1 Overview150
- 3.2 Clock Generation Unit152
- 3.3 Module Power Management and Clock Gating171
- 3.4 System Clock Output Control190
  - 3.4.1 System Clock Fractional Divider Register191
4 Reset and Boot Operation193
- 4.1 Reset and Boot Overview193
  - 4.1.1 Reset Status and Control Registers195
    - 4.1.1.1 Reset Status Register195
    - 4.1.1.2 Reset Request Register197
- 4.2 Reset Operations199
- 4.3 Boot ROM208
- 4.4 Bootstrap Loader (BSL)212
5 System Control Unit223
- 5.1 Power Management224
- 5.2 Configuration Input Sampling230
- 5.3 External Request Unit (ERU)231
- 5.4 Special System Interrupts257
- 5.5 SRAM Parity Control259
  - 5.5.1 Parity Error Trap Registers261
- 5.6 Pad Driver Temperature Compensation Control263
  - 5.6.1 Functional Description263
  - 5.6.2 Temperature Compensation Registers266
- 5.7 Die Temperature Sensor270
- 5.8 GPTA1 Input IN1 Control271
- 5.9 Pad Test Mode Control272
  - 5.9.1 Pad Test Mode Enabling273
  - 5.9.2 Pad Test Mode Registers273
- 5.10 Emergency Stop Output Control for GPTA and MSC279
- 5.11 Analog Input 7 Testmode282
- 5.12 SCU Registers and Address Map283
- 5.13 Miscellaneous SCU Registers286
6 On-Chip System Buses and Bus Bridges294
- 6.1 Program and Data Local Memory Buses295
- 6.2 Local Memory Bus Controller Units298
- 6.3 Local Memory to FPI Bus Interface (LFI Bridge)308
  - 6.3.1 Functional Overview308
  - 6.3.2 LFI Register309
- 6.4 System and Remote Peripheral Bus312
- 6.5 FPI Bus Control Units (SBCU and RBCU)317
7 Program Memory Unit352
- 7.1 Boot ROM352
- 7.2 Program & Data Flash Memory353
- 7.3 Emulation Interface412
8 Data Memory Unit413
- 8.1 DLMB/PLMB Interfaces414
- 8.2 SBRAM414
- 8.3 SRAM414
- 8.4 Parity Protection for DMU Memories415
- 8.5 Data Access Overlay Functionality415
- 8.6 Program Local Memory Bus Interface (LMI)420
  - 8.6.1 Data Read Buffer420
- 8.7 DMU Registers422
9 Memory Maps431
- 9.1 How to Read the Address Maps431
- 9.2 Contents of the Segments434
- 9.3 Address Map of the FPI Bus System436
  - 9.3.1 Segments 0 to 14436
  - 9.3.2 Segment 15440
- 9.4 Address Map of the Program Local Memory Bus (PLMB)445
- 9.5 Address Map of the Data Local Memory Bus (DLMB)449
- 9.6 Memory Module Access Restrictions452
10 General Purpose I/O Ports and Peripheral I/O Lines453
- 10.1 Basic Port Operation454
- 10.2 Port Register Description457
- 10.3 Port 0470
- 10.4 Port 1478
- 10.5 Port 2484
- 10.6 Port 3492
- 10.7 Port 4499
- 10.8 Port 5506
- 10.9 Port 6511
- 10.10 Port 7517
- 10.11 Port 8522
- 10.12 Port 9527
- 10.13 Port 10 (Hardware Select Inputs)533
  - 10.13.1 Port 10 Configuration533
  - 10.13.2 Port 10 Registers534
    - 10.13.2.1 Port 10 Input Register534
- 10.14 Dedicated Peripheral I/O Lines535
  - 10.14.1 Dedicated I/O Lines for SSC0 and SSC1535
  - 10.14.2 LVDS Outputs of MSC0 and MSC1537
11 Peripheral Control Processor (PCP)538
- 11.1 Peripheral Control Processor Overview538
- 11.2 PCP Architecture539
- 11.3 PCP Programming Model543
- 11.4 PCP Operation565
- 11.5 PCP Interrupt Operation569
- 11.6 PCP Error Handling575
- 11.7 Instruction Set Overview577
- 11.8 Accessing PCP Resources from the FPI Bus585
- 11.9 Debugging the PCP587
- 11.10 PCP Registers589
- 11.11 PCP Instruction Set Details609
- 11.12 Programming of the PCP649
- 11.13 PCP Programming Notes and Tips655
- 11.14 Implementation of the PCP in the TC1796662
12 Direct Memory Access Controller665
- 12.1 DMA Controller Kernel Description666
- 12.2 DMA Module Kernel Registers706
- 12.3 DMA Module Implementation755
- 12.4 Memory Checker Module774
  - 12.4.1 Functional Description774
  - 12.4.2 Registers775
    - 12.4.2.1 Memory Checker Registers776
13 LMB External Bus Unit779
- 13.1 Block Diagram780
- 13.2 EBU Interface Signals781
- 13.3 External Bus Arbitration785
- 13.4 Start-Up/Boot Process798
- 13.5 Master Mode Operation803
- 13.6 PLMB Data Buffering817
- 13.7 Standard Access Phases819
- 13.8 Asynchronous Read/Write Accesses828
- 13.9 Burst Mode Read Accesses843
- 13.10 EBU Registers857
14 Interrupt System890
- 14.1 Overview890
- 14.2 Service Request Nodes892
  - 14.2.1 Service Request Control Registers892
- 14.3 Interrupt Control Units897
  - 14.3.1 Interrupt Control Unit (ICU)897
    - 14.3.1.1 ICU Interrupt Control Register (ICR)897
    - 14.3.1.2 Operation of the Interrupt Control Unit (ICU)899
  - 14.3.2 PCP Interrupt Control Unit (PICU)900
- 14.4 Arbitration Process901
  - 14.4.1 Controlling the Number of Arbitration Cycles901
  - 14.4.2 Controlling the Duration of Arbitration Cycles902
- 14.5 Entering an Interrupt Service Routine902
- 14.6 Exiting an Interrupt Service Routine903
- 14.7 Interrupt Vector Table904
- 14.8 Usage of the TC1796 Interrupt System907
- 14.9 Service Request Node Table912
- 14.10 Non-Maskable Interrupt914
15 System Timer918
- 15.1 Overview918
- 15.2 Operation918
- 15.3 Kernel Registers924
16 Watchdog Timer939
- 16.1 Watchdog Timer Overview939
- 16.2 Features of the Watchdog Timer940
- 16.3 The Endinit Function941
- 16.4 Watchdog Timer Operation943
- 16.5 Handling the Watchdog Timer960
- 16.6 Watchdog Timer Registers966
17 On-Chip Debug Support973
- 17.1 Overview973
- 17.2 OCDS Level 1976
- 17.3 OCDS Level 2 Debugging via Trace Port982
- 17.4 Debug Interface (Cerberus)984
- 17.5 JTAG Interface987
- 17.6 Cerberus and JTAG Registers988
18 Register Overview990
- 18.1 Address Map of Segment 15991
- 18.2 Registers Tables996
19 Asynchronous/Synchronous Serial Interface (ASC)1116
- 19.1 ASC Kernel Description1116
- 19.2 ASC Kernel Registers1134
- 19.3 ASC0/ASC1 Module Implementation1145
20 Synchronous Serial Interface (SSC)1158
- 20.1 SSC Kernel Description1158
  - 20.1.1 Overview1159
  - 20.1.2 General Operation1160
- 20.2 SSC Kernel Registers1184
- 20.3 SSC0/SSC1 Module Implementation1203
21 Micro Second Channel (MSC)1218
- 21.1 MSC Kernel Description1220
- 21.2 MSC Kernel Registers1253
- 21.3 MSC Module Implementation1279
22 Controller Area Network (MultiCAN) Controller1296
- 22.1 CAN Basics1297
- 22.2 Overview1309
  - 22.2.1 MultiCAN Module1310
  - 22.2.2 Time-Triggered Extension (TTCAN)1312
- 22.3 MultiCAN Kernel Functional Description1313
- 22.4 MultiCAN Kernel Registers1353
- 22.5 Time-Triggered Extension (TTCAN Controller)1409
- 22.6 TTCAN Scheduler1418
- 22.7 TTCAN Operation1443
- 22.8 TTCAN Registers1449
- 22.9 MultiCAN Module Implementation1494
23 Micro Link Interface (MLI)1510
- 23.1 Functional Description1511
- 23.2 Module Kernel Description1534
- 23.3 Operating the MLI1576
- 23.4 MLI Kernel Registers1584
- 23.5 Implementation of the MLI0/MLI1 in TC17961633
24 General Purpose Timer Array (GPTA)1656
- 24.1 GPTA Overview1657
  - 24.1.1 Functionality of GPTA0 and GPTA11658
  - 24.1.2 Functionality of LTCA21660
- 24.2 GPTA0/GPTA1 Kernel Description1661
- 24.3 GPTA0/1 Kernel Registers1805
- 24.4 LTCA2 Kernel Description1872
- 24.5 LTCA2 Kernel Registers1888
- 24.6 GPTA Module Implementation1902
25 Analog-to-Digital Converter (ADC)1932
- 25.1 ADC Kernel Description1932
- 25.2 ADC0/ADC1 Kernel Registers1988
- 25.3 Implementation of ADC0/ADC12031
26 Fast Analog-to-Digital Converter (FADC)2052
- 26.1 FADC Kernel Description2053
- 26.2 FADC Kernel Registers2078
- 26.3 Implementation of FADC2107
Keyword Index2117
Register Index2132