Information

Section Number Title Page
32.4.11 MCU Normal Stop mode operation.............................................................................................................763
32.4.12 MCU Low Power Stop mode operation.......................................................................................................764
32.5 Initialization information..............................................................................................................................................764
32.5.1 ADC module initialization example............................................................................................................765
32.6 Application information................................................................................................................................................767
32.6.1 External pins and routing.............................................................................................................................767
32.6.2 Sources of error............................................................................................................................................769
Chapter 33
Comparator (CMP)
33.1 Introduction...................................................................................................................................................................775
33.2 CMP Features................................................................................................................................................................775
33.3 6-bit DAC Key Features...............................................................................................................................................776
33.4 ANMUX Key Features.................................................................................................................................................777
33.5 CMP, DAC, and ANMUX Diagram.............................................................................................................................777
33.6 CMP Block Diagram.....................................................................................................................................................778
33.7 Memory Map/Register Definitions...............................................................................................................................780
33.7.1 CMP Control Register 0 (CMPx_CR0).......................................................................................................781
33.7.2 CMP Control Register 1 (CMPx_CR1).......................................................................................................782
33.7.3 CMP Filter Period Register (CMPx_FPR)...................................................................................................783
33.7.4 CMP Status and Control Register (CMPx_SCR).........................................................................................784
33.7.5 DAC Control Register (CMPx_DACCR)....................................................................................................785
33.7.6 MUX Control Register (CMPx_MUXCR)..................................................................................................786
33.8 CMP Functional Description........................................................................................................................................787
33.8.1 CMP Functional Modes...............................................................................................................................788
33.8.2 Power Modes................................................................................................................................................797
33.8.3 Startup and Operation..................................................................................................................................798
33.8.4 Low Pass Filter.............................................................................................................................................799
33.9 CMP Interrupts..............................................................................................................................................................801
33.10 CMP DMA Support......................................................................................................................................................801
K20 Sub-Family Reference Manual, Rev. 6, Nov 2011
28 Freescale Semiconductor, Inc.