Section number Title Page
24.2 Introduction...................................................................................................................................................................387
24.2.1 CMP features..................................................................................................................................................387
24.2.2 6-bit DAC key features.................................................................................................................................. 388
24.2.3 ANMUX key features.................................................................................................................................... 388
24.2.4 CMP, DAC and ANMUX diagram................................................................................................................388
24.2.5 CMP block diagram....................................................................................................................................... 389
24.3 Memory map/register definitions..................................................................................................................................391
24.3.1
CMP Control Register 0 (CMPx_CR0)......................................................................................................... 391
24.3.2
CMP Control Register 1 (CMPx_CR1)......................................................................................................... 392
24.3.3
CMP Filter Period Register (CMPx_FPR).....................................................................................................393
24.3.4
CMP Status and Control Register (CMPx_SCR)...........................................................................................394
24.3.5
DAC Control Register (CMPx_DACCR)......................................................................................................395
24.3.6
MUX Control Register (CMPx_MUXCR).................................................................................................... 395
24.4 Functional description...................................................................................................................................................396
24.4.1 CMP functional modes...................................................................................................................................397
24.4.2 Power modes..................................................................................................................................................400
24.4.3 Startup and operation..................................................................................................................................... 401
24.4.4 Low-pass filter............................................................................................................................................... 402
24.5 CMP interrupts..............................................................................................................................................................404
24.6 DMA support................................................................................................................................................................ 404
24.7 CMP Asynchronous DMA support...............................................................................................................................404
24.8 Digital-to-analog converter...........................................................................................................................................405
24.9 DAC functional description.......................................................................................................................................... 405
24.9.1 Voltage reference source select......................................................................................................................405
24.10 DAC resets....................................................................................................................................................................406
24.11 DAC clocks...................................................................................................................................................................406
24.12 DAC interrupts..............................................................................................................................................................406
24.13 CMP Trigger Mode.......................................................................................................................................................406
Chapter 25
KL33 Sub-Family Reference Manual , Rev. 2.1, 07/2016
NXP Semiconductors 17