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MC9S08AW48 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc |
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MC9S08AW48 Datasheet(HTML) 10 Page - Freescale Semiconductor, Inc |
10 / 324 page MC9S08AW60 Data Sheet, Rev 2 10 Freescale Semiconductor Section Number Title Page 4.4 FLASH ............................................................................................................................................50 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 ...............................................................................................53 4.4.5 Access Errors ..................................................................................................................55 4.4.6 FLASH Block Protection ...............................................................................................55 4.4.7 Vector Redirection ..........................................................................................................56 4.5 Security ............................................................................................................................................56 4.6 FLASH Registers and Control Bits .................................................................................................58 4.6.1 FLASH Clock Divider Register (FCDIV) ......................................................................58 4.6.2 FLASH Options Register (FOPT and NVOPT) .............................................................59 4.6.3 FLASH Configuration Register (FCNFG) .....................................................................60 4.6.4 FLASH Protection Register (FPROT and NVPROT) ....................................................61 4.6.5 FLASH Status Register (FSTAT) ...................................................................................61 4.6.6 FLASH Command Register (FCMD) ............................................................................63 Chapter 5 Resets, Interrupts, and System Configuration 5.1 Introduction .....................................................................................................................................65 5.2 Features ...........................................................................................................................................65 5.3 MCU Reset ......................................................................................................................................65 5.4 Computer Operating Properly (COP) Watchdog .............................................................................66 5.5 Interrupts .........................................................................................................................................66 5.5.1 Interrupt Stack Frame .....................................................................................................67 5.5.2 External Interrupt Request (IRQ) Pin .............................................................................68 5.5.3 Interrupt Vectors, Sources, and Local Masks .................................................................69 5.6 Low-Voltage Detect (LVD) System ................................................................................................71 5.6.1 Power-On Reset Operation .............................................................................................71 5.6.2 LVD Reset Operation .....................................................................................................71 5.6.3 LVD Interrupt Operation ................................................................................................71 5.6.4 Low-Voltage Warning (LVW) ........................................................................................71 5.7 Real-Time Interrupt (RTI) ...............................................................................................................71 5.8 MCLK Output .................................................................................................................................72 5.9 Reset, Interrupt, and System Control Registers and Control Bits ...................................................72 5.9.1 Interrupt Pin Request Status and Control Register (IRQSC) .........................................73 5.9.2 System Reset Status Register (SRS) ...............................................................................74 5.9.3 System Background Debug Force Reset Register (SBDFR) ..........................................75 5.9.4 System Options Register (SOPT) ...................................................................................75 5.9.5 System MCLK Control Register (SMCLK) ...................................................................76 5.9.6 System Device Identification Register (SDIDH, SDIDL) ..............................................77 5.9.7 System Real-Time Interrupt Status and Control Register (SRTISC) .............................78 |
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