S32K3xx Reference Manual
Supports S32K311, S32K312, S32K314, S32K322, S32K324, S32K328,
S32K338, S32K341, S32K342, S32K344, S32K348, and S32K358
NXP Semiconductors Document identifier: S32K3XXRM
Reference Manual Rev. 3, 10/2021
Contents
Chapter 1 About This Manual............................................................................. 7
Chapter 2 Introduction...................................................................................... 14
Chapter 3 Memory Map..................................................................................... 26
Chapter 4 Signal Multiplexing...........................................................................30
Chapter 5 Cortex-M7 Overview.........................................................................42
Chapter 6 Miscellaneous Control Module (MCM)........................................... 47
Chapter 7 Miscellaneous System Control Module (MSCM)........................... 66
Chapter 8 Virtualization Wrapper (VIRT_WRAPPER)................................... 110
Chapter 9 System Integration Unit Lite2 (SIUL2).......................................... 131
Chapter 10 Touch Sensing Pin Coupling (TSPC)......................................... 264
Chapter 11 Crossbar Switch (AXBS)..............................................................273
Chapter 12 Peripheral Bridge (AIPS_Lite)..................................................... 287
Chapter 13 Direct Memory Access Multiplexer (DMAMUX)......................... 289
Chapter 14 Enhanced Direct Memory Access (eDMA)................................. 299
Chapter 15 Interrupt Monitor (INTM).............................................................. 405
Chapter 16 Semaphores2 (SEMA42).............................................................. 413
Chapter 17 Crossbar Integrity Checker (XBIC)............................................. 422
Chapter 18 Extended Resource Domain Controller (XRDC)........................436
NXP Semiconductors
S32K3xx Reference Manual, Rev. 3, 10/2021
Reference Manual Preliminary Information 2 / 3471
Chapter 19 Memory and Memory Interfaces................................................. 511
Chapter 20 Embedded Flash Memory (c40asf)............................................. 518
Chapter 21 Flash Memory Controller (PFLASH)........................................... 579
Chapter 22 RAM Controller (PRAMC)............................................................ 605
Chapter 23 Clocking........................................................................................ 611
Chapter 24 Clock Generation Module (MC_CGM).........................................682
Chapter 25 Fast Internal RC Oscillator (FIRC).............................................. 774
Chapter 26 Slow Internal RC Oscillator (SIRC)............................................. 776
Chapter 27 Fast Crystal Oscillator Digital Controller (FXOSC)................... 779
Chapter 28 Slow Crystal Oscillator Digital Controller (SXOSC).................. 785
Chapter 29 PLL Digital Interface (PLLDIG).................................................... 789
Chapter 30 Reset Overview.............................................................................803
Chapter 31 Boot Overview.............................................................................. 827
Chapter 32 Reset Generation Module (MC_RGM).........................................853
Chapter 33 Power-on Reset Watchdog (POR_WDG)....................................882
Chapter 34 Security Overview........................................................................ 885
Chapter 35 Hardware Security Engine (HSE_B)........................................... 887
Chapter 36 Device Configuration Format (DCF) records............................. 907
Chapter 37 Device Configuration Module General-Purpose Registers
(DCM_GPR)................................................................................................... 912
NXP Semiconductors
Contents
S32K3xx Reference Manual, Rev. 3, 10/2021
Reference Manual Preliminary Information 3 / 3471
Chapter 38 Device Configuration Module (DCM).......................................... 998
Chapter 39 Messaging Unit (MU)..................................................................1044
Chapter 40 Power Management....................................................................1181
Chapter 41 Power Management Controller (PMC for S32K34x, S32K32x
and S32K314)..............................................................................................1200
Chapter 42 Power Management Controller (PMC for S32K312)................ 1212
Chapter 43 Mode Entry Module (MC_ME)....................................................1225
Chapter 44 Power Control Unit (MC_PCU).................................................. 1334
Chapter 45 Wakeup Unit (WKPU)................................................................. 1337
Chapter 46 Safety Overview..........................................................................1362
Chapter 47 Error Injection Module (EIM)..................................................... 1372
Chapter 48 Error Reporting Module (ERM)..................................................1427
Chapter 49 Fault Collection and Control Unit (FCCU)................................1459
Chapter 50 Self-test General-Purpose Registers (SELFTEST_GPR)........ 1517
Chapter 51 Self-Test Control Unit (STCU2)................................................. 1521
Chapter 52 Register Protection (REG_PROT)............................................. 1568
Chapter 53 Clock Monitoring Unit – Frequency Check (CMU_FC)............1580
Chapter 54 Clock Monitoring Unit – Frequency Meter (CMU_FM)............ 1595
Chapter 55 Cyclic Redundancy Check (CRC)............................................. 1603
Chapter 56 Power Conversion and Motor Control (PCMC)........................1614
NXP Semiconductors
Contents
S32K3xx Reference Manual, Rev. 3, 10/2021
Reference Manual Preliminary Information 4 / 3471
Chapter 57 Analog-to-Digital Converter (ADC)........................................... 1631
Chapter 58 Low Power Comparator (LPCMP)............................................. 1792
Chapter 59 Logic Control Unit (LCU)........................................................... 1832
Chapter 60 Enhanced Modular IO Subsystem (eMIOS)..............................1908
Chapter 61 Body Cross-triggering Unit (BCTU)..........................................1996
Chapter 62 Trigger MUX (TRGMUX)............................................................. 2035
Chapter 63 Software Watchdog Timer (SWT)..............................................2097
Chapter 64 System Timer Module (STM)..................................................... 2113
Chapter 65 Periodic Interrupt Timer (PIT)....................................................2122
Chapter 66 Real Time Clock (RTC)...............................................................2143
Chapter 67 Low Power Serial Peripheral Interface (LPSPI)....................... 2156
Chapter 68 Low Power Inter-Integrated Circuit (LPI2C)............................. 2205
Chapter 69 Improved Inter-Integrated Circuit (I3C).................................... 2264
Chapter 70 Flexible I/O (FlexIO)....................................................................2364
Chapter 71 CAN (FlexCAN)........................................................................... 2440
Chapter 72 Synchronous Audio Interface (SAI)..........................................2615
Chapter 73 Ethernet Media Access Controller (EMAC)..............................2661
Chapter 74 Low Power Universal Asynchronous Receiver/Transmitter
(LPUART).................................................................................................... 3251
Chapter 75 Quad Serial Peripheral Interface (QuadSPI)............................ 3297
NXP Semiconductors
Contents
S32K3xx Reference Manual, Rev. 3, 10/2021
Reference Manual Preliminary Information 5 / 3471
