MC9S08QE16CLC Datasheet, PDF (10/350 Pages) Freescale Semiconductor, Inc – Low-power wireless applications, Gas, water and heater meters

Section Number
Title
Page
4.2 Register Addresses and Bit Assignments ........................................................................................44
4.3 RAM ................................................................................................................................................50
4.4 FLASH ............................................................................................................................................51
4.4.1 Features .............................................................................................................................51
4.4.2 Program and Erase Times .................................................................................................51
4.4.3 Program and Erase Command Execution .........................................................................52
4.4.4 Burst Program Execution ..................................................................................................54
4.4.5 Access Errors ....................................................................................................................57
4.4.6 FLASH Block Protection ..................................................................................................57
4.4.7 Vector Redirection ............................................................................................................58
4.5 Security ............................................................................................................................................58
4.6 FLASH Registers and Control Bits .................................................................................................59
4.6.1 FLASH Clock Divider Register (FCDIV) ........................................................................59
4.6.2 FLASH Options Register (FOPT and NVOPT) ................................................................61
4.6.3 FLASH Configuration Register (FCNFG) .......................................................................61
4.6.4 FLASH Protection Register (FPROT and NVPROT) ......................................................63
4.6.5 FLASH Status Register (FSTAT) ......................................................................................63
4.6.6 FLASH Command Register (FCMD) ...............................................................................64
Chapter 5
Resets, Interrupts, and System Configuration
5.1 Introduction .....................................................................................................................................67
5.2 Features ...........................................................................................................................................67
5.3 MCU Reset ......................................................................................................................................67
5.4 Computer Operating Properly (COP) Watchdog .............................................................................68
5.5 Interrupts .........................................................................................................................................69
5.5.1 Interrupt Stack Frame .......................................................................................................70
5.5.2 External Interrupt Request (IRQ) Pin ...............................................................................70
5.5.3 Interrupt Vectors, Sources, and Local Masks ...................................................................71
5.6 Low-Voltage Detect (LVD) System ................................................................................................73
5.6.1 Power-On Reset Operation ...............................................................................................73
5.6.2 LVD Reset Operation ........................................................................................................73
5.6.3 LVD Interrupt Operation ...................................................................................................73
5.6.4 Low-Voltage Warning (LVW) ...........................................................................................73
5.7 Real-Time Interrupt (RTI) ...............................................................................................................73
5.8 MCLK Output .................................................................................................................................74
5.9 Reset, Interrupt, and System Control Registers and Control Bits ...................................................74
5.9.1 Interrupt Pin Request Status and Control Register (IRQSC) ............................................75
5.9.2 System Reset Status Register (SRS) .................................................................................76
5.9.3 System Background Debug Force Reset Register (SBDFR) ............................................77
5.9.4 System Options Register (SOPT) .....................................................................................77
5.9.5 System MCLK Control Register (SMCLK) .....................................................................78
MC9S08AC60 Series Data Sheet, Rev. 3
10
Freescale Semiconductor