MC9S08JM16 Datasheet, PDF (10/386 Pages) Freescale Semiconductor, Inc – Microcontrollers

4.5 Flash ................................................................................................................................................47
4.5.1 Features .............................................................................................................................47
4.5.2 Program and Erase Times .................................................................................................47
4.5.3 Program and Erase Command Execution .........................................................................48
4.5.4 Burst Program Execution ..................................................................................................49
4.5.5 Access Errors ....................................................................................................................51
4.5.6 Flash Block Protection ......................................................................................................52
4.5.7 Vector Redirection ............................................................................................................53
4.6 Security ............................................................................................................................................53
4.7 Flash Registers and Control Bits .....................................................................................................54
4.7.1 Flash Clock Divider Register (FCDIV) ............................................................................55
4.7.2 Flash Options Register (FOPT and NVOPT) ....................................................................56
4.7.3 Flash Configuration Register (FCNFG) ...........................................................................57
4.7.4 Flash Protection Register (FPROT and NVPROT) ..........................................................57
4.7.5 Flash Status Register (FSTAT) ..........................................................................................58
4.7.6 Flash Command Register (FCMD) ...................................................................................59
Chapter 5
Resets, Interrupts, and System Configuration
5.1 Introduction .....................................................................................................................................61
5.2 Features ...........................................................................................................................................61
5.3 MCU Reset ......................................................................................................................................61
5.4 Computer Operating Properly (COP) Watchdog .............................................................................62
5.5 Interrupts .........................................................................................................................................63
5.5.1 Interrupt Stack Frame .......................................................................................................64
5.5.2 External Interrupt Request (IRQ) Pin ...............................................................................64
5.5.3 Interrupt Vectors, Sources, and Local Masks ...................................................................65
5.6 Low-Voltage Detect (LVD) System ................................................................................................67
5.6.1 Power-On Reset Operation ...............................................................................................67
5.6.2 LVD Reset Operation ........................................................................................................67
5.6.3 LVD Interrupt Operation ...................................................................................................68
5.6.4 Low-Voltage Warning (LVW) ...........................................................................................68
5.7 Reset, Interrupt, and System Control Registers and Control Bits ...................................................68
5.7.1 Interrupt Pin Request Status and Control Register (IRQSC) ............................................68
5.7.2 System Reset Status Register (SRS) .................................................................................69
5.7.3 System Background Debug Force Reset Register (SBDFR) ............................................70
5.7.4 System Options Register 1 (SOPT1) ................................................................................71
5.7.5 System Options Register 2 (SOPT2) ................................................................................72
5.7.6 System Device Identification Register (SDIDH, SDIDL) ................................................73
5.7.7 System Power Management Status and Control 1 Register (SPMSC1) ...........................74
5.7.8 System Power Management Status and Control 2 Register (SPMSC2) ...........................75
Chapter 6
Parallel Input/Output
6.1 Introduction .....................................................................................................................................77
MC9S08JM16 Series Data Sheet, Rev. 2
10
Freescale Semiconductor