SC9RS08KA2 datasheet(10/134 Pages) FREESCALE

10 / 134 page

SC9RS08KA2 Series Data Sheet, Rev. 1

Freescale Semiconductor

Section Number

Title

Page

4.6.4

Security ...........................................................................................................................31

4.7

Flash Registers and Control Bits .....................................................................................................32

4.7.1

Flash Options Register (FOPT and NVOPT) .................................................................32

4.7.2

Flash Control Register (FLCR) ......................................................................................33

4.8

Page Select Register (PAGESEL) ...................................................................................................33

Chapter 5

Resets, Interrupts, and General System Control

5.1

Introduction .....................................................................................................................................35

5.2

Features ...........................................................................................................................................35

5.3

MCU Reset ......................................................................................................................................35

5.4

Computer Operating Properly (COP) Watchdog .............................................................................36

5.5

Interrupts .........................................................................................................................................36

5.6

Low-Voltage Detect (LVD) System ................................................................................................37

5.6.1

Power-On Reset Operation .............................................................................................37

5.6.2

LVD Reset Operation .....................................................................................................37

5.6.3

LVD Interrupt Operation ................................................................................................37

5.7

Real-Time Interrupt (RTI) ...............................................................................................................37

5.8

Reset, Interrupt, and System Control Registers and Control Bits ...................................................38

5.8.1

System Reset Status Register (SRS) ...............................................................................38

5.8.2

System Options Register (SOPT) ...................................................................................39

5.8.3

System Device Identification Register (SDIDH, SDIDL) .............................................40

5.8.4

System Real-Time Interrupt Status and Control Register (SRTISC) .............................41

5.8.5

System Power Management Status and Control 1 Register (SPMSC1) .........................43

5.8.6

System Interrupt Pending Register (SIP1) .....................................................................44

Chapter 6

Parallel Input/Output Control

6.1

Pin Behavior in Low-Power Modes ................................................................................................46

6.2

Parallel I/O Registers ......................................................................................................................46

6.2.1

Port A Registers ..............................................................................................................46

6.3

Pin Control Registers ......................................................................................................................47

6.3.1

Port A Pin Control Registers ..........................................................................................47

6.3.1.1

Internal Pulling Device Enable .......................................................................47

6.3.1.2

Pullup/Pulldown Control ................................................................................48

6.3.1.3

Output Slew Rate Control Enable ...................................................................48

Chapter 7

Keyboard Interrupt (RS08KBIV1)

7.1

Introduction .....................................................................................................................................51

7.1.1

Features ...........................................................................................................................51

7.1.2

Modes of Operation ........................................................................................................52

7.1.2.1

Operation in Wait Mode ..................................................................................52

7.1.2.2

Operation in Stop Mode ..................................................................................52

7.1.2.3

Operation in Active Background Mode ..........................................................52

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