Datasheet
Section number Title Page
Chapter 20
Analog comparator (ACMP)
20.1 Introduction.....................................................................................................................................................................557
20.1.1 Features............................................................................................................................................................557
20.1.2 Modes of operation..........................................................................................................................................557
20.1.2.1 Operation in wait mode..................................................................................................................558
20.1.2.2 Operation in stop mode..................................................................................................................558
20.1.2.3 Operation in background mode......................................................................................................558
20.1.3 Block diagram..................................................................................................................................................558
20.2 External signal description..............................................................................................................................................559
20.3 Memory map and register definition...............................................................................................................................559
20.3.1 ACMP Control and Status Register (ACMP_CS)...........................................................................................560
20.3.2 ACMP Control Register 0 (ACMP_C0)..........................................................................................................561
20.3.3 ACMP Control Register 1 (ACMP_C1)..........................................................................................................561
20.3.4 ACMP Control Register 2 (ACMP_C2)..........................................................................................................562
20.4 Functional description.....................................................................................................................................................562
20.5 Setup and operation of ACMP........................................................................................................................................563
20.6 Resets..............................................................................................................................................................................564
20.7 Interrupts.........................................................................................................................................................................564
Chapter 21
Cyclic redundancy check (CRC)
21.1 Introduction.....................................................................................................................................................................565
21.2 Features...........................................................................................................................................................................565
21.3 Block diagram.................................................................................................................................................................565
21.4 Modes of operation.........................................................................................................................................................566
21.5 Register definition...........................................................................................................................................................566
21.5.1 CRC Data 0 Register (CRC_D0).....................................................................................................................567
21.5.2 CRC Data 1 Register (CRC_D1).....................................................................................................................567
21.5.3 CRC Data 2 Register (CRC_D2).....................................................................................................................568
MC9S08PA60 Reference Manual, Rev. 1, 9/2012
Freescale Semiconductor, Inc. 27