Texas Instruments TMS570LC4357

To Next Page

To Previous Page

460

SPNU563A–March 2018

Submit Documentation Feedback

System Memory Protection Unit (NMPU)

Chapter 11

SPNU563A–March 2018

System Memory Protection Unit (NMPU)

This chapter describes the System Memory Protection Unit (NMPU).

Topic ........................................................................................................................... Page

11.1 Overview ......................................................................................................... 461

11.2 Module Operation ............................................................................................. 463

11.3 How to Use NMPU ............................................................................................ 466

11.4 NMPU Registers ............................................................................................... 471

Main Page

Default Chapter2
- Table of Contents2
Preface104
1 Introduction106
- Designed for Safety Applications107
- Family Description108
- Endianism Considerations111
  - TMS570: Big Endian (BE32)111
2 Architecture112
- Introduction113
- Memory Organization120
- Exceptions139
- Clocks142
- System and Peripheral Control Registers151
3 SCR Control Module (SCM)252
- Overview253
  - Features253
  - System Block Diagram254
- Module Operation255
- How to Use SCM257
- SCM Registers260
4 Interconnect265
- Overview266
  - Block Diagram266
- Peripheral Interconnect Subsystem266
- CPU Interconnect Subsystem268
- SDC MMR Registers272
5 Power Management Module (PMM)279
- Overview280
  - Features280
  - Block Diagram280
- Power Domains282
- PMM Operation283
- PMM Registers285
- Logic Power Domain Control Register (LOGICPDPWRCTRL0)286
- Logic Power Domain Control Register (LOGICPDPWRCTRL1)287
- Power Domain Clock Disable Register (PDCLKDISREG)288
- Power Domain Clock Disable Set Register (PDCLKDISSETREG)289
6 I/O Multiplexing and Control Module (IOMM)301
- Overview302
- Main Features of I/O Multiplexing Module (IOMM)302
- Control of Multiplexed Outputs302
- Control of Multiplexed Inputs303
- Control of Special Multiplexed Options312
- Safety Features327
  - Locking Mechanism for Memory-Mapped Registers327
  - Error Conditions327
- IOMM Registers328
7 F021 Level 2 Flash Module Controller (L2FMC)338
- Overview339
- Default Flash Configuration340
- EEPROM Emulation Support340
- Secded341
- Memory Map345
  - Location of Flash ECC Bits345
  - OTP Memory346
- Power On, Power off Considerations350
  - Error Checking at Power on350
  - Flash Integrity at Power off350
- Emulation and SIL3 Diagnostic Modes350
- Parameter Overlay Module (POM)353
  - Example Procedure to Configure the POM353
- Summary of L2FMC Errors354
- Flash Control Registers355
- POM Control Registers383
8 Level 2 RAM (L2RAMW) Module387
- Overview388
- Module Operation388
- Control and Status Registers393
9 Programmable Built-In Self-Test (PBIST) Module405
- Overview406
- RAM Grouping and Algorithm407
- PBIST Flow408
  - PBIST Sequence409
- Memory Test Algorithms on the On-Chip ROM411
- PBIST Control Registers412
- PBIST Configuration Example426
  - Example 1 : Configuration of PBIST Controller to Run Self-Test on DCAN1 RAM426
  - Example 2 : Configuration of PBIST Controller to Run Self-Test on ALL RAM Groups427
10 Self-Test Controller (STC) Module428
- General Description429
- STC Module Assignments436
- STC Programmers Flow437
- Application Self-Test Flow438
- STC1 Segment 0 (CPU) Test Coverage and Duration441
- STC1 Segment 1 (Μscu) Test Coverage and Duration444
- STC2 (Nhet) Test Coverage and Duration444
- STC Control Registers446
- STC Configuration Example458
  - Example: STC1 Self-Test Run458
- Self-Test Controller Diagnostics459
11 System Memory Protection Unit (NMPU)460
- Overview461
- Module Operation463
- How to Use NMPU466
  - How to Use NMPU in Functional Mode466
  - How to Use Diagnostics468
- NMPU Registers471
- MPU Revision ID Register (MPUREV)472
12 Error Profiling Controller (EPC)483
- Overview484
- Module Operation484
  - Uncorrectable Fault Operation485
  - Correctable Fault Operation485
- How to Use EPC487
  - Functional Mode487
  - CAM Diagnostic Mode488
- EPC Control Registers488
13 CPU Compare Module for Cortex-R5F (CCM-R5F)497
- Overview498
  - Main Features498
  - Block Diagram498
- Module Operation499
- Control Registers507
14 Oscillator and PLL517
- Introduction518
  - Features518
- Quick Start519
- Oscillator520
- Low Power Oscillator and Clock Detect (LPOCLKDET)522
- Pll525
- PLL Control Registers534
- Phase-Locked Loop Theory of Operation538
- Programming Example540
15 Dual-Clock Comparator (DCC) Module542
- Introduction543
  - Main Features543
  - Block Diagram543
- Module Operation544
  - Continuous Monitoring Mode544
  - Single-Shot Measurement Mode547
- Clock Source Selection for Counter0 and Counter1548
- DCC Control Registers549
17 Real-Time Interrupt (RTI) Module583
- Overview584
  - Features584
  - Industry Standard Compliance Statement584
- Module Operation585
  - Counter Operation585
  - Interrupt/Dma Requests587
  - RTI Clocking588
  - Synchronizing Timer Events to Network Time (NTU)588
  - Digital Watchdog (DWD)591
  - Low Power Modes594
  - Halting Debug Mode Behaviour594
- RTI Control Registers595
- RTI Global Control Register (RTIGCTRL)596
- Power down Mode637
- Emulation637
- Peripheral Bus Interface638
- Example638
- Example: Auto Mode Using Time Based Event Triggering638
- Example: Auto Mode Without Using Time Based Triggering639
- Example: Semi-CPU Mode640
- Example: Full-CPU Mode640
- CRC Control Registers641
- CRC Global Control Register 0 (CRC_CTRL0)642
- CRC Global Control Register (CRC_CTRL1)642
- CRC Global Control Register 2 (CRC_CTRL2)643
- CRC Interrupt Enable Set Register (CRC_INTS)644
- CRC Interrupt Enable Reset Register (CRC_INTR)646
- CRC Interrupt Status Register (CRC_STATUS)648
- CRC Interrupt Offset (CRC_INT_OFFSET_REG)650
- CRC Busy Register (CRC_BUSY)651
- CRC Pattern Counter Preload Register 1 (CRC_PCOUNT_REG1)651
- CRC Sector Counter Preload Register 1 (CRC_SCOUNT_REG1)652
- CRC Current Sector Register 1 (CRC_CURSEC_REG1)652
- CRC Channel 1 Watchdog Timeout Preload Register a (CRC_WDTOPLD1)653
- CRC Channel 1 Block Complete Timeout Preload Register B (CRC_BCTOPLD1)653
- Channel 1 PSA Signature Low Register (PSA_SIGREGL1)654
- Channel 1 PSA Signature High Register (PSA_SIGREGH1)654
- Channel 1 CRC Value Low Register (CRC_REGL1)654
- Channel 1 CRC Value High Register (CRC_REGH1)655
- Channel 1 PSA Sector Signature Low Register (PSA_SECSIGREGL1)655
- Channel 1 PSA Sector Signature High Register (PSA_SECSIGREGH1)655
- Channel 1 Raw Data Low Register (RAW_DATAREGL1)656
- Channel 1 Raw Data High Register (RAW_DATAREGH1)656
- CRC Pattern Counter Preload Register 2 (CRC_PCOUNT_REG2)656
- CRC Sector Counter Preload Register 2 (CRC_SCOUNT_REG2)657
- CRC Current Sector Register 2 (CRC_CURSEC_REG2)657
- CRC Channel 2 Watchdog Timeout Preload Register a (CRC_WDTOPLD2)658
- CRC Channel 2 Block Complete Timeout Preload Register B (CRC_BCTOPLD2)658
- Channel 2 PSA Signature Low Register (PSA_SIGREGL2)659
- Channel 2 PSA Signature High Register (PSA_SIGREGH2)659
- Channel 2 CRC Value Low Register (CRC_REGL2)659
- Channel 2 CRC Value High Register (CRC_REGH2)660
- Channel 2 PSA Sector Signature Low Register (PSA_SECSIGREGL2)660
- Channel 2 PSA Sector Signature High Register (PSA_SECSIGREGH2)660
- Channel 2 Raw Data Low Register (RAW_DATAREGL2)661
- Channel 2 Raw Data High Register (RAW_DATAREGH2)661
- Vectored Interrupt Manager (VIM) Module662
- Overview663
- Dual VIM for Safety664
- Device Level Interrupt Management665
- Interrupt Generation at the Peripheral665
- Interrupt Handling at the CPU666
- Software Interrupt Handling Options667
- Interrupt Handling Inside VIM668
- VIM Interrupt Channel Mapping669
- VIM Input Channel Management671
- Interrupt Vector Table (VIM RAM)672
- Interrupt Vector Table Operation672
- VIM ECC Syndrome673
- Interrupt Vector Table Initialization674
- Interrupt Vector Table ECC Testing674
- VIM Wakeup Interrupt676
- Capture Event Sources677
- Examples677
- Examples - Configure CPU to Receive Interrupts677
- Examples - Register Vector Interrupt and Index Interrupt Handling678
- VIM Control Registers680
- Interrupt Vector Table ECC Status Register (ECCSTAT)681
- Interrupt Vector Table ECC Control Register (ECCCTL)682
- Uncorrectable Error Address Register (UERRADDR)683
- Fallback Vector Address Register (FBVECADDR)683
- Single-Bit Error Address Register (SBERRADDR)684
- VIM Offset Vector Registers684
- IRQ Index Offset Vector Register (IRQINDEX)685
- FIQ Index Offset Vector Registers (FIQINDEX)685
- FIQ/IRQ Program Control Registers (FIRQPR[0:3])686
- Pending Interrupt Read Location Registers (INTREQ[0:3])687
- Interrupt Enable Set Registers (REQENASET[0:3])688
- Interrupt Enable Clear Registers (REQENACLR[0:3])689
- Wake-Up Enable Set Registers (WAKEENASET[0:3])690
- Wake-Up Enable Clear Registers (WAKEENACLR[0:3])691
- IRQ Interrupt Vector Register (IRQVECREG)692
- FIQ Interrupt Vector Register (FIQVECREG)692
- Capture Event Register (CAPEVT)693
- VIM Interrupt Control Registers (CHANCTRL[0:31])694
- Direct Memory Access Controller (DMA) Module696
- Overview697
- Main Features697
- System Resources Mapping699
- Module Operation699
- Memory Space700
- DMA Data Access700
- Addressing Modes701
- DMA Channel Control Packets701
- Priority Queue705
- Data Packing and Unpacking707
- DMA Request710
- Auto-Initiation712
- Interrupts712
- Debugging714
- Power Management714
- FIFO Buffer715
- Channel Chaining716
- Request Polarity716
- Memory Protection717
- ECC Checking718
- ECC Testing719
- Initializing RAM with ECC719
- Transaction Errors720
- Submit Documentation Feedback720
- Copyright © 2018, Texas Instruments Incorporated720
- Control Registers and Control Packets721
- Global Configuration Registers724
- Channel Configuration788
- External Memory Interface (EMIF)793
21 External Memory Interface (EMIF)794
- Introduction794
- Purpose of the Peripheral794
- Features794
- Functional Block Diagram795
- EMIF Module Architecture796
- EMIF Clock Control796
- EMIF Requests796
- EMIF Signal Descriptions796
- EMIF Signal Multiplexing Control797
- SDRAM Controller and Interface798
- Asynchronous Controller and Interface810
- Data Bus Parking822
- Reset and Initialization Considerations823
- Interrupt Support823
- DMA Event Support824
- EMIF Signal Multiplexing824
- Memory Map824
- Priority and Arbitration825
- System Considerations826
- Power Management827
- Emulation Considerations827
- EMIF Registers828
- Module ID Register (MIDR)828
- Asynchronous Wait Cycle Configuration Register (AWCC)829
- SDRAM Configuration Register (SDCR)830
- SDRAM Refresh Control Register (SDRCR)831
- Asynchronous N Configuration Registers (CE2CFG-CE5CFG)832
- SDRAM Timing Register (SDTIMR)833
- SDRAM Self Refresh Exit Timing Register (SDSRETR)834
- EMIF Interrupt Raw Register (INTRAW)835
- EMIF Interrupt Masked Register (INTMSK)836
- EMIF Interrupt Mask Set Register (INTMSKSET)837
- EMIF Interrupt Mask Clear Register (INTMSKCLR)838
- Page Mode Control Register (PMCR)839
- Example Configuration840
- Hardware Interface840
- Software Configuration840
- Analog to Digital Converter (ADC) Module848
22 Analog to Digital Converter (ADC) Module849
- Overview849
- Introduction851
- Basic Operation853
- Basic Features and Usage of the ADC853
- Advanced Conversion Group Configuration Options860
- ADC Module Basic Interrupts868
- ADC Module DMA Requests869
- ADC Magnitude Threshold Interrupts870
- ADC Special Modes871
- ADC Results' RAM Special Features878
- ADEVT Pin General Purpose I/O Functionality879
- ADC Group2 Sample Cap Discharge Control Register (ADG2SAMPDISEN)937
- ADC Magnitude Compare Interrupt Control Registers (Admagintxcr)938
- ADC Magnitude Compare Interruptx Mask Register (Admagintxmask)940
- ADC Magnitude Compare Interrupt Enable Set Register (ADMAGINTENASET)941
- ADC Magnitude Compare Interrupt Enable Clear Register (ADMAGINTENACLR)941
- ADC Magnitude Compare Interrupt Flag Register (ADMAGINTFLG)942
- ADC Magnitude Compare Interrupt Offset Register (ADMAGINTOFF)942
- ADC Event Group FIFO Reset Control Register (ADEVFIFORESETCR)943
- ADC Group1 FIFO Reset Control Register (ADG1FIFORESETCR)943
- ADC Group2 FIFO Reset Control Register (ADG2FIFORESETCR)944
- ADC Event Group RAM Write Address Register (ADEVRAMWRADDR)944
- ADC Group1 RAM Write Address Register (ADG1RAMWRADDR)945
- ADC Group2 RAM Write Address Register (ADG2RAMWRADDR)945
- ADC Parity Control Register (ADPARCR)946
- ADC Parity Error Address Register (ADPARADDR)947
- ADC Power-Up Delay Control Register (ADPWRUPDLYCTRL)947
- ADC Event Group Channel Selection Mode Control Register (ADEVCHNSELMODECTRL)948
- ADC Group1 Channel Selection Mode Control Register (ADG1CHNSELMODECTRL)948
- ADC Group2 Channel Selection Mode Control Register (ADG2CHNSELMODECTRL)949
- ADC Event Group Current Count Register (ADEVCURRCOUNT)950
- ADC Event Group Maximum Count Register (ADEVMAXCOUNT)950
- ADC Group1 Current Count Register (ADG1CURRCOUNT)951
- ADC Group1 Maximum Count Register (ADG1MAXCOUNT)951
- ADC Group2 Current Count Register (ADG2CURRCOUNT)952
- ADC Group2 Maximum Count Register (ADG2MAXCOUNT)952
- High-End Timer (N2HET) Module953
23 High-End Timer (N2HET) Module954
- Overview954
- Features954
- Major Advantages954
- Block Diagram955
- Timer Module Structure and Execution956
- Performance957
- N2HET Compared to NHET957
- NHET and N2HET Compared to HET957
- Instructions Features958
- Program Usage958
- N2HET Functional Description958
- Specialized Timer Micromachine958
- N2HET RAM Organization963
- Time Base966
- Host Interface969
- I/O Control970
- Suppression Filters986
- Interrupts and Exceptions987
- Hardware Priority Scheme988
- N2HET Requests to DMA and HTU990
- Angle Functions990
- Software Angle Generator990
- Hardware Angle Generator (HWAG)995
- Hardware Angle Generator/High End Timer Interface995
- N2HET Control Registers1017
- Global Configuration Register (HETGCR) [Offset = 00H]1017
- Global Configuration Register (HETGCR)1018
- Prescale Factor Register (HETPFR)1020
- N2HET Current Address Register (HETADDR)1021
- Offset Index Priority Level 1 Register (HETOFF1)1021
- N2HET Current Address (HETADDR)1021
- Offset Index Priority Level 2 Register (HETOFF2)1022
- Interrupt Enable Set Register (HETINTENAS)1023
- Interrupt Enable Clear Register (HETINTENAC)1023
- Exception Control Register 1 (HETEXC1)1024
- Exception Control Register 2 (HETEXC2)1025
- Interrupt Priority Register (HETPRY)1026
- Interrupt Flag Register (HETFLG)1026
- AND Share Control Register (HETAND)1027
- HR Share Control Register (HETHRSH)1028
- XOR Share Control Register (HETXOR)1029
- Request Enable Set Register (HETREQENS)1030
- Request Enable Clear Register (HETREQENC)1030
- Request Destination Select Register (HETREQDS)1031
- NHET Direction Register (HETDIR)1032
- N2HET Data Input Register (HETDIN)1033
- N2HET Data Output Register (HETDOUT)1033
- NHET Data Set Register (HETDSET)1034
- N2HET Data Clear Register (HETDCLR)1034
- N2HET Open Drain Register (HETPDR)1035
- N2HET Pull Disable Register (HETPULDIS)1035
- N2HET Pull Select Register (HETPSL)1036
- Parity Control Register (HETPCR)1037
- Parity Address Register (HETPAR)1038
- Parity Pin Register (HETPPR)1039
- Suppression Filter Preload Register (HETSFPRLD)1040
- Suppression Filter Enable Register (HETSFENA)1040
- Loop Back Pair Select Register (HETLBPSEL)1041
- Loop Back Pair Direction Register (HETLBPDIR)1042
- N2HET Pin Disable Register (HETPINDIS)1043
- HWAG Registers1044
- HWAG Pin Select Register (HWAPINSEL)1045
- HWAG Global Control Register 0 (HWAGCR0)1046
- HWAG Global Control Register 1 (HWAGCR1)1046
- HWAG Global Control Register 2 (HWAGCR2)1047
- HWAG Interrupt Enable Set Register (HWAENASET)1048
- HWAG Interrupt Enable Clear Register (HWAENACLR)1049
- HWAG Interrupt Level Set Register (HWALVLSET)1050
- HWAG Interrupt Level Clear Register (HWALVLCLR)1050
- HWAG Interrupt Flag Register (HWAFLG)1051
- HWAG Interrupt Offset Register 0 (HWAOFF0)1052
- HWAG Interrupt Offset Register 1 (HWAOFF1)1053
- HWAG Angle Value Register (HWAACNT)1054
- HWAG Previous Tooth Period Value Register (HWAPCNT1)1055
- HWAG Current Tooth Period Value Register (HWAPCNT)1055
- HWAG Step Width Register (HWASTWD)1056
- HWAG Teeth Number Register (HWATHNB)1057
- HWAG Current Teeth Number Register (HWATHVL)1057
- HWAG Filter Register (HWAFIL)1058
- HWAG Filter Register 2 (HWAFIL2)1058
- HWAG Angle Increment Register (HWAANGI)1059
- Instruction Set1060
- Instruction Summary1060
- Abbreviations, Encoding Formats and Bits1062
- Instruction Description1065
- High-End Timer Transfer Unit (HTU) Module1131
24 High-End Timer Transfer Unit (HTU) Module1132
- Overview1132
- Features1132
- Module Operation1133
- Data Transfers between Main RAM and N2HET RAM1135
- Arbitration of HTU Elements and Frames1139
- Conditions for Frame Transfer Interruption1140
- HTU Overload and Request Lost Detection1140
- Memory Protection1143
- Control Packet RAM Parity Checking1143
- Use Cases1145
- Example: Single Element Transfer with One Trigger Request1145
- Example: Multiple Element Transfer with One Trigger Request1145
- Example: 64-Bit-Transfer of Control Field and Data Fields1147
- HTU Control Registers1148
- Global Control Register (HTU GC)1149
- Control Packet Enable Register (HTU CPENA)1150
- Control Packet (CP) Busy Register 0 (HTU BUSY0)1151
- Control Packet (CP) Busy Register 1 (HTU BUSY1)1152
- Control Packet (CP) Busy Register 2 (HTU BUSY2)1152
- Control Packet (CP) Busy Register 3 (HTU BUSY3)1153
- Active Control Packet and Error Register (HTU ACPE)1153
- Request Lost and Bus Error Control Register (HTU RLBECTRL)1155
- Buffer Full Interrupt Enable Set Register (HTU BFINTS)1156
- Buffer Full Interrupt Enable Clear Register (HTU BFINTC)1156
- Interrupt Mapping Register (HTU INTMAP)1157
- Interrupt Offset Register 0 (HTU INTOFF0)1158
- Interrupt Offset Register 1 (HTU INTOFF1)1159
- Buffer Initialization Mode Register (HTU BIM)1160
- Request Lost Flag Register (HTU RLOSTFL)1162
- Buffer Full Interrupt Flag Register (HTU BFINTFL)1162
- BER Interrupt Flag Register (HTU BERINTFL)1163
- Memory Protection 1 Start Address Register (HTU MP1S)1164
- Memory Protection 1 End Address Register (HTU MP1E)1164
- Debug Control Register (HTU DCTRL)1165
- Watch Point Register (HTU WPR)1166
- Watch Mask Register (HTU WMR)1166
- Module Identification Register (HTU ID)1167
- Parity Control Register (HTU PCR)1168
- Parity Address Register (HTU PAR)1169
- Memory Protection Control and Status Register (HTU MPCS)1170
- Memory Protection Start Address Register 0 (HTU MP0S)1173
- Memory Protection End Address Register (HTU MP0E)1173
- Double Control Packet Configuration Memory1174
- Initial Full Address a Register (HTU IFADDRA)1175
- Initial Full Address B Register (HTU IFADDRB)1175
- Initial N2HET Address and Control Register (HTU IHADDRCT)1176
- Initial Transfer Count Register (HTU ITCOUNT)1177
- Current Full Address a Register (HTU CFADDRA)1178
- Current Full Address B Register (HTU CFADDRB)1179
- Current Frame Count Register (HTU CFCOUNT)1180
- Examples1181
- Application Examples for Setting the Transfer Modes of CP a and B of a DCP1181
- Software Example Sequence Assuming Circular Mode for both CP a and B1181
- Example of an Interrupt Dispatch Flow for a Request Lost Interrupt1182
- General-Purpose Input/Output (GIO) Module1183
25 General-Purpose Input/Output (GIO) Module1184
- Overview1184
- Quick Start Guide1185
- Functional Description of GIO Module1187
- I/O Functions1187
- Interrupt Function1188
- GIO Block Diagram1188
- Device Modes of Operation1190
- Emulation Mode1190
- Power-Down Mode (Low-Power Mode)1190
- GIO Control Registers1191
- GIO Global Control Register (GIOGCR0)1192
- GIO Interrupt Detect Register (GIOINTDET)1193
- GIO Interrupt Polarity Register (GIOPOL)1194
- GIO Interrupt Enable Registers (GIOENASET and GIOENACLR)1195
- GIO Interrupt Priority Registers (GIOLVLSET and GIOLVLCLR)1197
- GIO Interrupt Flag Register (GIOFLG)1200
- GIO Offset Register 1 (GIOOFF1)1201
- GIO Offset B Register (GIOOFF2)1202
- GIO Emulation a Register (GIOEMU1)1203
- GIO Emulation B Register (GIOEMU2)1204
- GIO Data Direction Registers (GIODIR[A-B])1205
- GIO Data Input Registers (GIODIN[A-B])1205
- GIO Data Output Registers (GIODOUT[A-B])1206
- GIO Data Set Registers (GIODSET[A-B])1206
- GIO Data Clear Registers (GIODCLR[A-B])1207
- GIO Open Drain Registers (GIOPDR[A-B])1207
- GIO Pull Disable Registers (GIOPULDIS[A-B])1208
- GIO Pull Select Registers (GIOPSL[A-B])1208
- I/O Control Summary1209
- Flexray Module1210
26 Flexray Module1211
- Overview1211
- Feature List1211
- Flexray Module Block Diagram1211
- Flexray Module Blocks1214
- Module Operation1215
- Transfer Unit1215
- Communication Cycle1226
- Communication Modes1227
- Clock Synchronization1228
- Error Handling1229
- Communication Controller States1231
- Network Management1243
- Filtering and Masking1243
- Transmit Process1246
- Receive Process1248
- FIFO Function1249
- Message Handling1250
- Module Rams1258
- Interrupts1269
- Minimum Peripheral Clock Frequency1274
- Assignment of Flexray Configuration Parameters1275
- Emulation/Debug Support1276
- Flexray Module Registers1277
- Transfer Unit Registers1277
- Communication Controller Registers1325
- Controller Area Network (DCAN) Module1417
27 Controller Area Network (DCAN) Module1418
- Overview1418
- Features1418
- Functional Description1418
- CAN Blocks1419
- CAN Core1419
- Message RAM1419
- Message Handler1419
- Message RAM Interface1420
- Register and Message Object Access1420
- Dual Clock Source1420
- CAN Bit Timing1421
- Bit Time and Bit Rate1421
- DCAN Bit Timing Registers1423
- CAN Module Configuration1425
- DCAN RAM Initialization through Hardware1425
- CAN Module Initialization1425
- Message RAM1428
- Structure of Message Objects1428
- Addressing Message Objects in RAM1430
- Message RAM Representation in Debug/Suspend Mode1431
- Message RAM Representation in Direct Access Mode1431
- Ecc Ram1432
- Message Interface Register Sets1433
- Message Interface Register Sets 1 and 21433
- Using Message Interface Register Sets 1 and 21434
- Message Interface Register 31435
- Message Object Configurations1436
- Configuration of a Transmit Object for Data Frames1436
- Configuration of a Transmit Object for Remote Frames1436
- Configuration of a Single Receive Object for Data Frames1436
- Configuration of a Single Receive Object for Remote Frames1437
- Configuration of a FIFO Buffer1437
- Reconfiguration of Message Objects for the Reception of Frames1437
- Reconfiguration of Message Objects for the Transmission of Frames1437
- Message Handling1438
- Message Handler Overview1438
- Receive/Transmit Priority1438
- Transmission of Messages in Event Driven CAN Communication1439
- Updating a Transmit Object1439
- Changing a Transmit Object1439
- Acceptance Filtering of Received Messages1440
- Reception of Data Frames1440
- Reception of Remote Frames1440
- Reading Received Messages1440
- Requesting New Data for a Receive Object1441
- Parity Error Code Register (DCAN PERR) [Offset = 1Ch]1465
- Core Release Register (DCAN REL) [Offset = 20H]1465
- ECC Diagnostic Register (DCAN ECCDIAG) [Offset = 24H]1466
- ECC Diagnostic Status Register (DCAN ECCDIAG STAT) [Offset = 28H]1466
- Auto-Bus-On Time Register (DCAN ABOTR) [Offset = 80H]1469
- Transmission Request X Register (DCAN TXRQ X) [Offset = 84H]1469
- Transmission Request 12 Register (DCAN TXRQ12) [Offset = 88H]1470
- Transmission Request 34 Register (DCAN TXRQ34) [Offset = 8Ch]1470
- Transmission Request 56 Register (DCAN TXRQ56) [Offset = 90H]1470
- Transmission Request 78 Register (DCAN TXRQ78) [Offset = 94H]1470
- New Data X Register (DCAN NWDAT X) [Offset = 98H]1471
- New Data 12 Register (DCAN NWDAT12) [Offset = 9Ch]1472
- New Data 34 Register (DCAN NWDAT34) [Offset = A0H]1472
- New Data 56 Register (DCAN NWDAT56) [Offset = A4H]1472
- New Data 78 Register (DCAN NWDAT78) [Offset = A8H]1472
- Interrupt Pending X Register (DCAN INTPND X) [Offset = Ach]1473
- Interrupt Pending 12 Register (DCAN INTPND12) [Offset = B0H]1474
- Interrupt Pending 34 Register (DCAN INTPND34) [Offset = B4H]1474
- Interrupt Pending 56 Register (DCAN INTPND56) [Offset = B8H]1474
- Interrupt Pending 78 Register (DCAN INTPND78) [Offset = Bch]1474
- Message Valid X Register (DCAN MSGVAL X) [Offset = C0H]1475
- Message Valid 12 Register (DCAN MSGVAL12) [Offset = C4H]1476
- Message Valid 34 Register (DCAN MSGVAL34) [Offset = C8H]1476
- Message Valid 56 Register (DCAN MSGVAL56) [Offset = Cch]1476
- Message Valid 78 Register (DCAN MSGVAL78) [Offset = D0H]1476
- Interrupt Multiplexer 12 Register (DCAN INTMUX12) [Offset = D8H]1477
- Interrupt Multiplexer 34 Register (DCAN INTMUX34) [Offset = Dch]1477
- Interrupt Multiplexer 56 Register (DCAN INTMUX56) [Offset = E0H]1477
- Interrupt Multiplexer 78 Register (DCAN INTMUX78) [Offset = E4H]1477
- IF1 Command Registers (DCAN IF1CMD) [Offset = 100H]1478
- IF1 Mask Register (DCAN IF1MSK) [Offset = 104H]1481
- IF1 Arbitration Register (DCAN IF1ARB) [Offset = 108H]1482
- IF1 Message Control Register (DCAN IF1MCTL) [Offset = 10Ch]1484
- IF1 Data a Register (DCAN IF1DATA) [Offset = 110H]1486
- IF1 Data B Register (DCAN IF1DATB) [Offset = 114H]1486
- IF3 Observation Register (DCAN IF3OBS) [Offset = 140H]1487
- IF3 Mask Register (DCAN IF3MSK) [Offset = 144H]1489
- IF3 Arbitration Register (DCAN IF3ARB) [Offset = 148H]1490
- IF3 Message Control Register (DCAN IF3MCTL) [Offset = 14Ch]1491
- IF3 Data a Register (DCAN IF3DATA) [Offset = 150H]1492
- IF3 Data B Register (DCAN IF3DATB) [Offset = 154H]1492
- IF3 Update Enable 12 Register (DCAN IF3UPD12) [Offset = 160H]1493
- IF3 Update Enable 34 Register (DCAN IF3UPD34) [Offset = 164H]1493
- IF3 Update Enable 56 Register (DCAN IF3UPD56) [Offset = 168H]1493
- IF3 Update Enable 78 Register (DCAN IF3UPD78) [Offset = 16Ch]1493
- CAN TX IO Control Register (DCAN TIOC) [Offset = 1E0H]1494
- CAN RX IO Control Register (DCAN RIOC) [Offset = 1E4H]1495
- SPI Functional Logic Diagram1501
- Mibspi Functional Logic Diagram1502
- SPI Three-Pin Operation1507
- SPI Five-Pin Option with SPIENA and SPICS1510
- C2TDELAY = 8 VCLK Cycles1515
- T2CDELAY = 4 VCLK Cycles1516
- SPI Global Control Register 0 (SPIGCR0) [Offset = 00H]1536
- SPI Global Control Register 1 (SPIGCR1) [Offset = 04H]1537
- SPI Interrupt Register (SPIINT0) [Offset = 08H]1538
- SPI Interrupt Level Register (SPILVL) [Offset = 0Ch]1540
- SPI Flag Register (SPIFLG) [Offset = 10H]1541
- SPI Pin Control Register 0 (SPIPC0) [Offset = 14H]1544
- SPI Pin Control Register 1 (SPIPC1) [Offset = 18H]1545
- SPI Pin Control Register 2 (SPIPC2) [Offset = 1Ch]1547
- SPI Pin Control Register 3 (SPIPC3) [Offset = 20H]1548
- SPI Pin Control Register 4 (SPIPC4) [Offset = 24H]1549
- SPI Pin Control Register 5 (SPIPC5) [Offset = 28H]1551
- SPI Pin Control Register 6 (SPIPC6) [Offset = 2Ch]1552
- SPI Pin Control Register 7 (SPIPC7) [Offset = 30H]1554
- SPI Pin Control Register 8 (SPIPC8) [Offset = 34H]1555
- SPI Transmit Data Register 0 (SPIDAT0) [Offset = 38H]1556
- SPI Transmit Data Register 1 (SPIDAT1) [Offset = 3Ch]1557
- SPI Receive Buffer Register (SPIBUF) [Offset = 40H]1560
- SPI Emulation Register (SPIEMU) [Offset = 44H]1562
- SPI Delay Register (SPIDELAY) [Offset = 48H]1562
- VCLK Cycles1564
- SPNU563A - March2018

Table of Contents

Related product manuals