Section number Title Page
24.1.4 CMP trigger mode..........................................................................................................................................394
24.2 Introduction...................................................................................................................................................................395
24.2.1 CMP features..................................................................................................................................................395
24.2.2 6-bit DAC key features.................................................................................................................................. 396
24.2.3 ANMUX key features.................................................................................................................................... 396
24.2.4 CMP, DAC and ANMUX diagram................................................................................................................396
24.2.5 CMP block diagram....................................................................................................................................... 397
24.3 Memory map/register definitions..................................................................................................................................399
24.3.1
CMP Control Register 0 (CMPx_CR0)......................................................................................................... 399
24.3.2
CMP Control Register 1 (CMPx_CR1)......................................................................................................... 400
24.3.3
CMP Filter Period Register (CMPx_FPR).....................................................................................................401
24.3.4
CMP Status and Control Register (CMPx_SCR)...........................................................................................402
24.3.5
DAC Control Register (CMPx_DACCR)......................................................................................................403
24.3.6
MUX Control Register (CMPx_MUXCR).................................................................................................... 403
24.4 Functional description...................................................................................................................................................404
24.4.1 CMP functional modes...................................................................................................................................405
24.4.2 Power modes..................................................................................................................................................408
24.4.3 Startup and operation..................................................................................................................................... 409
24.4.4 Low-pass filter............................................................................................................................................... 410
24.5 CMP interrupts..............................................................................................................................................................412
24.6 DMA support................................................................................................................................................................ 412
24.7 CMP Asynchronous DMA support...............................................................................................................................412
24.8 Digital-to-analog converter...........................................................................................................................................413
24.9 DAC functional description.......................................................................................................................................... 413
24.9.1 Voltage reference source select......................................................................................................................413
24.10 DAC resets....................................................................................................................................................................414
24.11 DAC clocks...................................................................................................................................................................414
24.12 DAC interrupts..............................................................................................................................................................414
24.13 CMP Trigger Mode.......................................................................................................................................................414
KL27 Sub-Family Reference Manual, Rev. 5.1, 07/2016
NXP Semiconductors 17