MC9RS08KA2_08 Datasheet, PDF (12/136 Pages) Freescale Semiconductor, Inc – RS08 Microcontrollers

Section Number
Title
Page
Chapter 9
Internal Clock Source (RS08ICSV1)
9.1 Introduction .....................................................................................................................................75
9.1.1 Features ...........................................................................................................................76
9.1.2 Modes of Operation ........................................................................................................76
9.1.2.1 FLL Engaged Internal (FEI) ...........................................................................76
9.1.2.2 FLL Bypassed Internal (FBI) ..........................................................................76
9.1.2.3 FLL Bypassed Internal Low Power (FBILP) .................................................76
9.1.2.4 Stop (STOP) ....................................................................................................76
9.1.3 Block Diagram ................................................................................................................76
9.2 External Signal Description ............................................................................................................77
9.3 Register Definition ..........................................................................................................................77
9.3.1 ICS Control Register 1 (ICSC1) .....................................................................................77
9.3.2 ICS Control Register 2 (ICSC2) .....................................................................................78
9.3.3 ICS Trim Register (ICSTRM) ........................................................................................79
9.3.4 ICS Status and Control (ICSSC) ....................................................................................79
9.4 Functional Description ....................................................................................................................80
9.4.1 Operational Modes .........................................................................................................80
9.4.1.1 FLL Engaged Internal (FEI) ...........................................................................80
9.4.1.2 FLL Bypassed Internal (FBI) ..........................................................................80
9.4.1.3 FLL Bypassed Internal Low Power (FBILP) .................................................80
9.4.1.4 Stop .................................................................................................................81
9.4.2 Mode Switching ..............................................................................................................81
9.4.3 Bus Frequency Divider ...................................................................................................81
9.4.4 Low Power Bit Usage .....................................................................................................81
9.4.5 Internal Reference Clock ................................................................................................81
9.4.6 Fixed Frequency Clock ...................................................................................................82
Chapter 10
Analog Comparator (RS08ACMPV1)
10.1 Introduction .....................................................................................................................................83
10.1.1 Features ...........................................................................................................................84
10.1.2 Modes of Operation ........................................................................................................84
10.1.2.1 Operation in Wait Mode ..................................................................................84
10.1.2.2 Operation in Stop Mode ..................................................................................84
10.1.2.3 Operation in Active Background Mode ..........................................................84
10.1.3 Block Diagram ................................................................................................................84
10.2 External Signal Description ............................................................................................................86
10.3 Register Definition ..........................................................................................................................86
10.3.1 ACMP Status and Control Register (ACMPSC) ............................................................86
10.4 Functional Description ....................................................................................................................87
MC9RS08KA2 Series Data Sheet, Rev. 4
12
Freescale Semiconductor