NXP Semiconductors Freescale KV4 Series User manual

KV4x Reference Manual

Supports MKV46, MKV45, MKV44, MKV43, MKV41, MKV40 part

numbers

Document Number: KV4XP100M150RM

Rev 2, 02/2015

Preliminary

KV4x Reference Manual, Rev. 2, 02/2015

2Preliminary Freescale Semiconductor, Inc.

Contents

Section number Title Page

Chapter 1

About This Document

1.1 Overview.......................................................................................................................................................................61

1.1.1 Purpose...........................................................................................................................................................61

1.1.2 Audience........................................................................................................................................................ 61

1.2 Conventions.................................................................................................................................................................. 61

1.2.1 Numbering systems........................................................................................................................................61

1.2.2 Typographic notation..................................................................................................................................... 62

1.2.3 Special terms..................................................................................................................................................62

Chapter 2

Introduction

2.1 Overview.......................................................................................................................................................................63

2.2 Module Functional Categories......................................................................................................................................63

2.2.1 ARM® Cortex®-M4 Core Modules..............................................................................................................64

2.2.2 System Modules.............................................................................................................................................65

2.2.3 Memories and Memory Interfaces................................................................................................................. 66

2.2.4 Clocks.............................................................................................................................................................66

2.2.5 Security and Integrity modules...................................................................................................................... 66

2.2.6 Analog modules............................................................................................................................................. 67

2.2.7 Timer modules............................................................................................................................................... 67

2.2.8 Communication interfaces............................................................................................................................. 69

2.2.9 Human-machine interfaces............................................................................................................................ 69

2.3 Orderable part numbers and features............................................................................................................................ 70

Chapter 3

Core overview

3.1 ARM Cortex-M4 Core Configuration.......................................................................................................................... 73

3.1.1 Buses, interconnects, and interfaces.............................................................................................................. 74

3.1.2 System Tick Timer.........................................................................................................................................74

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3.1.3 Debug facilities.............................................................................................................................................. 74

3.1.4 Core privilege levels...................................................................................................................................... 75

3.2 Nested Vectored Interrupt Controller (NVIC) Configuration...................................................................................... 75

3.2.1 Interrupt priority levels.................................................................................................................................. 75

3.2.2 Non-maskable interrupt..................................................................................................................................75

3.2.3 Interrupt vector assignments ......................................................................................................................... 76

3.3 Asynchronous Wake-up Interrupt Controller (AWIC) Configuration..........................................................................79

3.3.1 Wake-up sources............................................................................................................................................80

3.4 FPU Configuration........................................................................................................................................................80

3.5 JTAG Controller Configuration....................................................................................................................................81

Chapter 4

Memories and Memory Interfaces

4.1 Flash memory types......................................................................................................................................................83

4.2 Flash Memory Sizes......................................................................................................................................................83

4.3 Flash Security............................................................................................................................................................... 84

4.4 Flash Modes..................................................................................................................................................................84

4.5 Erase All Flash Contents...............................................................................................................................................84

4.6 FTFA_FOPT Register...................................................................................................................................................85

4.7 SRAM sizes.................................................................................................................................................................. 85

4.8 SRAM Arrays............................................................................................................................................................... 86

4.9 SRAM retention in low power modes.......................................................................................................................... 87

4.10 System Register file......................................................................................................................................................87

Chapter 5

Memory Map

5.1 Introduction...................................................................................................................................................................89

5.2 System Memory Map....................................................................................................................................................89

5.3 Peripheral Memory Map...............................................................................................................................................90

5.3.1 Read-after-write sequence and required serialization of memory operations................................................90

5.3.2 Peripheral Bridge 0 (AIPS-Lite 0) Memory Map.......................................................................................... 91

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Chapter 6

Clock Distribution

6.1 Introduction...................................................................................................................................................................95

6.2 High-level device clocking diagram............................................................................................................................. 95

6.2.1 Clock definitions............................................................................................................................................96

6.3 Internal clocking requirements..................................................................................................................................... 97

6.3.1 Clock divider values after reset......................................................................................................................98

6.3.2 VLPR mode clocking.....................................................................................................................................99

6.4 Clock Gating.................................................................................................................................................................99

6.5 Module clocks...............................................................................................................................................................100

6.5.1 nano edge module clocking............................................................................................................................101

6.5.2 WDOG clocking............................................................................................................................................ 101

6.5.3 Debug trace clock...........................................................................................................................................102

6.5.4 PMC 1-kHz LPO clock..................................................................................................................................102

6.5.5 PORT digital filter clocking...........................................................................................................................102

6.5.6 LPTMR clocking............................................................................................................................................103

6.5.7 FlexCAN clocking......................................................................................................................................... 103

6.5.8 UART clocking..............................................................................................................................................104

6.6 External clocks .............................................................................................................................................................104

Chapter 7

Power Management

7.1 Introduction...................................................................................................................................................................105

7.2 Clocking Modes............................................................................................................................................................105

7.2.1 Partial Stop.....................................................................................................................................................105

7.2.2 DMA Wakeup................................................................................................................................................106

7.2.3 Compute Operation........................................................................................................................................107

7.2.4 Peripheral Doze..............................................................................................................................................108

7.3 Power modes.................................................................................................................................................................109

7.4 Module Operation in Low Power Modes......................................................................................................................110

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7.5 Power modes shutdown sequencing............................................................................................................................. 113

7.6 Clock Gating.................................................................................................................................................................113

7.7 Flash Program Restrictions...........................................................................................................................................114

Chapter 8

Security

8.1 Introduction...................................................................................................................................................................115

8.2 Flash Security............................................................................................................................................................... 115

8.3 Security Interactions with other Modules.....................................................................................................................116

8.3.1 Security Interactions with Debug...................................................................................................................116

Chapter 9

Debug

9.1 Introduction...................................................................................................................................................................117

9.1.1 References......................................................................................................................................................119

9.2 The Debug Port.............................................................................................................................................................119

9.2.1 JTAG-to-SWD change sequence................................................................................................................... 119

9.3 Debug Port Pin Descriptions.........................................................................................................................................120

9.4 JTAG status and control registers.................................................................................................................................120

9.4.1 MDM-AP Control Register............................................................................................................................121

9.4.2 MDM-AP Status Register.............................................................................................................................. 123

9.5 Debug Resets................................................................................................................................................................ 124

9.6 AHB-AP........................................................................................................................................................................124

9.7 ITM............................................................................................................................................................................... 125

9.8 TPIU..............................................................................................................................................................................125

9.9 DWT............................................................................................................................................................................. 126

9.10 Debug in Low Power Modes........................................................................................................................................ 126

9.10.1 Debug Module State in Low Power Modes...................................................................................................127

9.11 Debug & Security......................................................................................................................................................... 127

Chapter 10

Reset and Boot

10.1 Introduction...................................................................................................................................................................129

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10.2 Reset..............................................................................................................................................................................129

10.2.1 Power-on reset (POR).................................................................................................................................... 130

10.2.2 System resets..................................................................................................................................................130

10.2.2.1 External pin reset (PIN)............................................................................................................. 130

10.2.2.2 Low-voltage detect (LVD) reset................................................................................................ 131

10.2.2.3 Computer operating properly (COP) watchdog reset................................................................ 132

10.2.2.4 Low leakage wakeup (LLWU) reset..........................................................................................132

10.2.2.5 Multipurpose clock generator loss-of-clock (LOC) reset.......................................................... 132

10.2.2.6 Software reset (SW)...................................................................................................................133

10.2.2.7 Lockup reset (LOCKUP)........................................................................................................... 133

10.2.2.8 MDM-AP system reset request..................................................................................................133

10.2.3 Debug resets...................................................................................................................................................133

10.2.3.1 JTAG reset................................................................................................................................. 133

10.2.3.2 nTRST reset............................................................................................................................... 134

10.2.3.3 Resetting the Debug subsystem................................................................................................. 134

10.3 Boot...............................................................................................................................................................................135

10.3.1 Boot sources...................................................................................................................................................135

10.3.2 FOPT boot options.........................................................................................................................................135

10.3.3 Boot sequence................................................................................................................................................ 136

Chapter 11

Signal Multiplexing

11.1 Introduction...................................................................................................................................................................139

11.2 Port control and interrupt module features................................................................................................................... 139

11.3 Clock gating..................................................................................................................................................................140

11.4 Signal multiplexing constraints.................................................................................................................................... 141

11.5 KV4x Signal Multiplexing and Pin Assignments.........................................................................................................141

11.6 Pinout diagrams............................................................................................................................................................ 146

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Chapter 12

Port control and interrupts (PORT)

12.1 Introduction...................................................................................................................................................................151

12.2 Overview.......................................................................................................................................................................151

12.2.1 Features.......................................................................................................................................................... 151

12.2.2 Modes of operation........................................................................................................................................ 152

12.2.2.1 Run mode................................................................................................................................... 152

12.2.2.2 Wait mode..................................................................................................................................152

12.2.2.3 Stop mode.................................................................................................................................. 152

12.2.2.4 Debug mode............................................................................................................................... 152

12.3 External signal description............................................................................................................................................153

12.4 Detailed signal description............................................................................................................................................153

12.5 Memory map and register definition.............................................................................................................................153

12.5.1 Pin Control Register n (PORTx_PCRn).........................................................................................................160

12.5.2 Global Pin Control Low Register (PORTx_GPCLR)....................................................................................163

12.5.3 Global Pin Control High Register (PORTx_GPCHR)...................................................................................163

12.5.4 Interrupt Status Flag Register (PORTx_ISFR).............................................................................................. 164

12.5.5 Digital Filter Enable Register (PORTx_DFER).............................................................................................164

12.5.6 Digital Filter Clock Register (PORTx_DFCR)..............................................................................................165

12.5.7 Digital Filter Width Register (PORTx_DFWR)............................................................................................ 165

12.6 Functional description...................................................................................................................................................166

12.6.1 Pin control......................................................................................................................................................166

12.6.2 Global pin control.......................................................................................................................................... 167

12.6.3 External interrupts..........................................................................................................................................167

12.6.4 Digital filter....................................................................................................................................................168

Chapter 13

System Integration Module (SIM)

13.1 Introduction...................................................................................................................................................................171

13.1.1 Features.......................................................................................................................................................... 171

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13.2 Memory map and register definition.............................................................................................................................172

13.2.1 System Options Register 1 (SIM_SOPT1).................................................................................................... 173

13.2.2 System Options Register 2 (SIM_SOPT2).................................................................................................... 174

13.2.3 System Options Register 4 (SIM_SOPT4).................................................................................................... 176

13.2.4 System Options Register 5 (SIM_SOPT5).................................................................................................... 179

13.2.5 System Options Register 7 (SIM_SOPT7).................................................................................................... 180

13.2.6 System Options Register 8 (SIM_SOPT8).................................................................................................... 182

13.2.7 System Options Register 9 (SIM_SOPT9).................................................................................................... 185

13.2.8 System Device Identification Register (SIM_SDID).....................................................................................186

13.2.9 System Clock Gating Control Register 4 (SIM_SCGC4)..............................................................................188

13.2.10 System Clock Gating Control Register 5 (SIM_SCGC5)..............................................................................190

13.2.11 System Clock Gating Control Register 6 (SIM_SCGC6)..............................................................................192

13.2.12 System Clock Gating Control Register 7 (SIM_SCGC7)..............................................................................194

13.2.13 System Clock Divider Register 1 (SIM_CLKDIV1).....................................................................................194

13.2.14 Flash Configuration Register 1 (SIM_FCFG1)............................................................................................. 197

13.2.15 Flash Configuration Register 2 (SIM_FCFG2)............................................................................................. 198

13.2.16 Unique Identification Register High (SIM_UIDH)....................................................................................... 199

13.2.17 Unique Identification Register Mid-High (SIM_UIDMH)............................................................................199

13.2.18 Unique Identification Register Mid Low (SIM_UIDML)............................................................................. 200

13.2.19 Unique Identification Register Low (SIM_UIDL)........................................................................................ 200

13.2.20 System Clock Divider Register 4 (SIM_CLKDIV4).....................................................................................201

13.2.21 Miscellaneous Control Register (SIM_MISCTRL).......................................................................................202

13.2.22 Miscellaneous Control Register 2 (SIM_MISCTRL2)..................................................................................203

13.2.23 WDOG Control Register (SIM_WDOGC)....................................................................................................206

13.2.24 Power Control Register (SIM_PWRC)..........................................................................................................207

13.2.25 ADC Channel 6/7 Mux Control Register (SIM_ADCOPT)..........................................................................209

13.3 Functional description...................................................................................................................................................211

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Chapter 14

Kinetis Flashloader

14.1 Introduction...................................................................................................................................................................213

14.2 Functional Description..................................................................................................................................................214

14.2.1 Memory Maps................................................................................................................................................214

14.2.2 Start-up Process..............................................................................................................................................215

14.2.3 Clock Configuration.......................................................................................................................................217

14.2.4 Flashloader Protocol...................................................................................................................................... 217

14.2.4.1 Command with no data phase.................................................................................................... 217

14.2.4.2 Command with incoming data phase.........................................................................................218

14.2.4.3 Command with outgoing data phase..........................................................................................220

14.2.5 Flashloader Packet Types...............................................................................................................................222

14.2.5.1 Ping packet.................................................................................................................................222

14.2.5.2 Ping Response Packet................................................................................................................ 223

14.2.5.3 Framing Packet.......................................................................................................................... 223

14.2.5.4 Command packet........................................................................................................................225

14.2.5.5 Data packet.................................................................................................................................227

14.2.5.6 Response packet.........................................................................................................................227

14.2.6 Flashloader Command API............................................................................................................................229

14.2.6.1 GetProperty command............................................................................................................... 229

14.2.6.2 SetProperty command................................................................................................................231

14.2.6.3 FlashEraseAll command............................................................................................................ 233

14.2.6.4 FlashEraseRegion command......................................................................................................234

14.2.6.5 FillMemory command................................................................................................................235

14.2.6.6 WriteMemory command............................................................................................................237

14.2.6.7 Read memory command............................................................................................................ 239

14.2.6.8 Execute command......................................................................................................................241

14.2.6.9 Reset command..........................................................................................................................241

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