This chapter lists the ROM APIs that are available in each ROM family.
| API | Module | rom_captivate_msp430fr2633_family | rom_captivate_msp430fr2522_family | rom_captivate_msp430fr2676_family |
| CAPT_processButtons | CAPT_Buttons | Yes | Yes | Yes |
| CAPT_getByteQueueSize | CAPT_ByteQueue | Yes | Yes | Yes |
| CAPT_initByteQueue | CAPT_ByteQueue | Yes | Yes | Yes |
| CAPT_isByteQueueEmpty | CAPT_ByteQueue | Yes | Yes | Yes |
| CAPT_isByteQueueFull | CAPT_ByteQueue | Yes | Yes | Yes |
| CAPT_pullFromByteQueue | CAPT_ByteQueue | Yes | Yes | Yes |
| CAPT_pushOntoByteQueue | CAPT_ByteQueue | Yes | Yes | Yes |
| CAPT_resolveMultiFreqSet | CAPT_EMC | No | Yes | Yes |
| CAPT_applyAutoMultiFreqCycleComp | CAPT_HAL | No | No | Yes |
| CAPT_applyCycleComp | CAPT_HAL | Yes | Yes | Yes |
| CAPT_applyCycleFSM | CAPT_HAL | Yes | Yes | Yes |
| CAPT_applySensorFreq | CAPT_HAL | Yes | Yes | Yes |
| CAPT_applySensorParams | CAPT_HAL | Yes | Yes | Yes |
| CAPT_bypassFSM | CAPT_HAL | Yes | Yes | Yes |
| CAPT_clearCAPLPMCFG | CAPT_HAL | Yes | Yes | Yes |
| CAPT_clearCAPSTART | CAPT_HAL | Yes | Yes | Yes |
| CAPT_clearCCounter | CAPT_HAL | Yes | Yes | Yes |
| CAPT_clearChannelActive | CAPT_HAL | Yes | Yes | Yes |
| CAPT_clearChannelEnable | CAPT_HAL | Yes | Yes | Yes |
| CAPT_clearChannelOffState | CAPT_HAL | Yes | Yes | Yes |
| CAPT_clearChannelOnState | CAPT_HAL | Yes | Yes | Yes |
| CAPT_clearCycleIO | CAPT_HAL | Yes | Yes | Yes |
| CAPT_clearIFG | CAPT_HAL | No | Yes | Yes |
| CAPT_clearTimer | CAPT_HAL | Yes | Yes | Yes |
| CAPT_disableFrequencyHopping | CAPT_HAL | No | No | Yes |
| CAPT_disableISR | CAPT_HAL | Yes | Yes | Yes |
| CAPT_disableRefCap | CAPT_HAL | Yes | Yes | Yes |
| CAPT_disableSensorIO | CAPT_HAL | Yes | Yes | Yes |
| CAPT_disableSensorSyncEvent | CAPT_HAL | Yes | Yes | Yes |
| CAPT_disableTimerTrigMeasurement | CAPT_HAL | Yes | Yes | Yes |
| CAPT_enableFrequencyHopping | CAPT_HAL | No | No | Yes |
| CAPT_enableISR | CAPT_HAL | Yes | Yes | Yes |
| CAPT_enableRefCap | CAPT_HAL | Yes | Yes | Yes |
| CAPT_enableSensorIO | CAPT_HAL | Yes | Yes | Yes |
| CAPT_enableSensorSyncEvent | CAPT_HAL | Yes | Yes | Yes |
| CAPT_enableTimerTrigMeasurement | CAPT_HAL | Yes | Yes | Yes |
| CAPT_engageFSM | CAPT_HAL | Yes | Yes | Yes |
| CAPT_forceSensorIO | CAPT_HAL | Yes | Yes | Yes |
| CAPT_initSensorIO | CAPT_HAL | Yes | Yes | Yes |
| CAPT_isFrequencyHopping | CAPT_HAL | No | No | Yes |
| CAPT_pollCIPF | CAPT_HAL | Yes | Yes | Yes |
| CAPT_pollResetStatus | CAPT_HAL | Yes | Yes | Yes |
| CAPT_powerOff | CAPT_HAL | Yes | Yes | Yes |
| CAPT_powerOn | CAPT_HAL | Yes | Yes | Yes |
| CAPT_readCoarseGain | CAPT_HAL | Yes | Yes | Yes |
| CAPT_readConversion | CAPT_HAL | Yes | Yes | Yes |
| CAPT_readFineGain | CAPT_HAL | Yes | Yes | Yes |
| CAPT_readOffsetTap | CAPT_HAL | Yes | Yes | Yes |
| CAPT_readTimerCompRegister | CAPT_HAL | Yes | Yes | Yes |
| CAPT_readTimerRegister | CAPT_HAL | Yes | Yes | Yes |
| CAPT_releaseStabilization | CAPT_HAL | Yes | Yes | Yes |
| CAPT_reset | CAPT_HAL | Yes | Yes | Yes |
| CAPT_saveCycleRawResults | CAPT_HAL | Yes | Yes | Yes |
| CAPT_saveCycleResults | CAPT_HAL | Yes | Yes | Yes |
| CAPT_selectCCounterInterval | CAPT_HAL | Yes | Yes | Yes |
| CAPT_selectElectrodeChargeVoltageSource | CAPT_HAL | No | No | Yes |
| CAPT_selectOversamplingCount | CAPT_HAL | No | No | Yes |
| CAPT_selectTimerSource | CAPT_HAL | Yes | Yes | Yes |
| CAPT_selectTimerSourceDivider | CAPT_HAL | Yes | Yes | Yes |
| CAPT_setCAPLPMCFG | CAPT_HAL | Yes | Yes | Yes |
| CAPT_setCAPSTART | CAPT_HAL | Yes | Yes | Yes |
| CAPT_setChannelActive | CAPT_HAL | Yes | Yes | Yes |
| CAPT_setChannelEnable | CAPT_HAL | Yes | Yes | Yes |
| CAPT_setChannelOffState | CAPT_HAL | Yes | Yes | Yes |
| CAPT_setChannelOnState | CAPT_HAL | Yes | Yes | Yes |
| CAPT_setCycleIO | CAPT_HAL | Yes | Yes | Yes |
| CAPT_startCCounter | CAPT_HAL | Yes | Yes | Yes |
| CAPT_startTimer | CAPT_HAL | Yes | Yes | Yes |
| CAPT_stopCCounter | CAPT_HAL | Yes | Yes | Yes |
| CAPT_stopTimer | CAPT_HAL | Yes | Yes | Yes |
| CAPT_writeCoarseGain | CAPT_HAL | Yes | Yes | Yes |
| CAPT_writeFineGain | CAPT_HAL | Yes | Yes | Yes |
| CAPT_writeOffsetTap | CAPT_HAL | Yes | Yes | Yes |
| CAPT_writeTimerCompRegister | CAPT_HAL | Yes | Yes | Yes |
| CAPT_initPingPongBuffer | CAPT_PingPongBuffer | Yes | Yes | Yes |
| CAPT_togglePingPongBuffer | CAPT_PingPongBuffer | Yes | Yes | Yes |
| CAPT_accessSensorParameter | CAPT_Protocol | Yes | Yes | Yes |
| CAPT_getChecksum | CAPT_Protocol | Yes | Yes | Yes |
| CAPT_getCyclePacket | CAPT_Protocol | Yes | Yes | Yes |
| CAPT_getSensorPacket | CAPT_Protocol | Yes | Yes | Yes |
| CAPT_processReceivedData | CAPT_Protocol | Yes | Yes | Yes |
| CAPT_stuffSyncBytes | CAPT_Protocol | Yes | Yes | Yes |
| CAPT_verifyChecksum | CAPT_Protocol | Yes | Yes | Yes |
| CAPT_computeArcTanApprox | CAPT_Slider | Yes | Yes | Yes |
| CAPT_computeSliderVectors | CAPT_Slider | Yes | Yes | Yes |
| CAPT_computeWheelWrap | CAPT_Slider | Yes | Yes | Yes |
| CAPT_processSlider | CAPT_Slider | Yes | Yes | Yes |
| CAPT_blockOnFlag | CAPT_Touch | No | Yes | Yes |
| CAPT_calibrateGain | CAPT_Touch | No | Yes | Yes |
| CAPT_calibrateOffset | CAPT_Touch | No | Yes | Yes |
| CAPT_cleanupAfterConversion | CAPT_Touch | No | Yes | Yes |
| CAPT_clearSensorProxTouch | CAPT_Touch | Yes | Yes | Yes |
| CAPT_computeIIRFilter | CAPT_Touch | Yes | Yes | No |
| CAPT_computeIIRFilterFast | CAPT_Touch | Yes | Yes | No |
| CAPT_computeIIRFilter32 | CAPT_Touch | No | No | Yes |
| CAPT_computeIIRFilterFast32 | CAPT_Touch | No | No | Yes |
| CAPT_convertAbsToRel | CAPT_Touch | No | Yes | Yes |
| CAPT_convertRelToAbs | CAPT_Touch | No | Yes | Yes |
| CAPT_flagAllElementsForReseed | CAPT_Touch | No | Yes | Yes |
| CAPT_loadCycle | CAPT_Touch | No | Yes | Yes |
| CAPT_registerCallback | CAPT_Touch | Yes | Yes | No |
| CAPT_reseedFilter | CAPT_Touch | Yes | Yes | Yes |
| CAPT_reseedFilterAll | CAPT_Touch | Yes | Yes | Yes |
| CAPT_startConversion | CAPT_Touch | No | Yes | Yes |
| CAPT_startConversionAndWaitUntilDone | CAPT_Touch | No | Yes | Yes |
| CAPT_testForRecalibration | CAPT_Touch | No | Yes | Yes |
| CAPT_unloadCycle | CAPT_Touch | No | Yes | Yes |
| CAPT_updateFilterCount | CAPT_Touch | Yes | No | No |
| CAPT_updateFilterCounts | CAPT_Touch | Yes | No | No |
| CAPT_updateFSMProx | CAPT_Touch | Yes | Yes | Yes |
| CAPT_updateFSMTouch | CAPT_Touch | Yes | Yes | Yes |
| CAPT_updateLTA | CAPT_Touch | Yes | Yes | Yes |
| CAPT_updateProx | CAPT_Touch | Yes | Yes | Yes |
| CAPT_updateSensorNoise | CAPT_Touch | No | Yes | Yes |
| CAPT_updateSensorProxTouch | CAPT_Touch | Yes | Yes | Yes |
| CAPT_updateSensorTimeout | CAPT_Touch | No | Yes | Yes |
| CAPT_updateTouch | CAPT_Touch | Yes | Yes | Yes |
