12.2 Real-time Event Mapping
| Function | Application | Description | Event Source | Event Destination |
|---|---|---|---|---|
| Safety | General-purpose | Automatic switch to reliable main RC oscillator in case of main crystal clock failure (see Note 1) | Power Management Controller (PMC) | PMC |
| General-purpose, motor control, power factor correction (PFC) | Puts the PWM outputs in Safe mode in case of main crystal clock failure (see Notes 1, 2) | PMC | Pulse Width Modulation 0 and 1 (PWM0 and PWM1) | |
| Motor control, PFC | Puts the PWM outputs in Safe mode (overcurrent detection, etc.) (see Notes 2, 3) | Analog Comparator Controller (ACC) | PWM0 and PWM1 | |
| Motor control, PFC | Puts the PWM outputs in Safe mode (overspeed, overcurrent detection, etc.) (see Notes 2, 4) | Analog Front-End Controller (AFEC0) | PWM0 and PWM1 | |
| AFEC1 | PWM0 and PWM1 | |||
| Motor control | Puts the PWM outputs in Safe mode (overspeed detection through timer quadrature decoder) (see Notes 2, 6) | TC0.Ch0 | PWM0 | |
| TC0.Ch1 | PWM1 | |||
| General-purpose, motor control, power factor correction (PFC) | Puts the PWM outputs in Safe mode (general-purpose fault inputs) (see Note 2) | PIO PA9, PD8, PD9 | PWM0 | |
| PIO PA21, PA26, PA28 | PWM1 | |||
| Security | General-purpose | Immediate GPBR clear (asynchronous) on tamper detection through WKUP0/1 IO pins (see Note 5) | PIO WKUP0/1 | GPBR |
| Measurement trigger | Power factor correction (DC-DC, lighting, etc.) | Duty cycle output waveform correction Trigger source selection in PWM (see Notes 7, 8) | ACC | PWM0 |
| PIO PA10, PA22 | PWM0 | |||
| ACC | PWM1 | |||
| PIO PA30, PA18 | PWM1 | |||
| General-purpose | Trigger source selection in AFEC (see Note 9) | PIO AFE0_ADTRG | AFEC0 | |
| TC0.Ch0 (TIOA0) | AFEC0 | |||
| TC0.Ch1 (TIOA1) | AFEC0 | |||
| TC0.Ch2 (TIOA2) | AFEC0 | |||
| ACC | AFEC0 | |||
| Motor control | ADC-PWM synchronization (see Notes 12, 14) Trigger source selection in AFEC (see Note 9) | PWM0 Event Line 0 and 1 | AFEC0 | |
| General-purpose | Trigger source selection in AFEC (see Note 9) | PIO AFE1_ADTRG | AFEC1 | |
| TC1.Ch0 (TIOA3) | AFEC1 | |||
| TC1.Ch1 (TIOA4) | AFEC1 | |||
| TC1.Ch2 (TIOA5) | AFEC1 | |||
| ACC | AFEC1 | |||
| Motor control | ADC-PWM synchronization (see Notes 12, 14) Trigger source selection in AFEC (see Note 9) | PWM1 Event Line 0 and 1 | AFEC1 | |
| General-purpose | Temperature sensor Low-speed measurement (see Notes 10, 11) | RTC RTCOUT0 | AFEC0 and AFEC1 | |
| Conversion trigger | General-purpose | Trigger source selection in DACC (Digital-to-Analog Converter Controller) (see Note 13) | TC0.Ch0-2 (TIOA0, TIOA1, TIOA2) | DACC |
| PIO DATRG | DACC | |||
| PWM0 Event Line 0 and 1(14) | DACC | |||
| PWM1 Event Line 0 and 1(14) | DACC | |||
| Image capture | Low-cost image sensor | Direct image transfer from sensor to system memory via DMA(15) | PIO PA3/4/5/9/10/11/12/13, PA22, PA14, PA21 | DMA |
| Delay measurement | Motor control | Propagation delay of external components (IOs, power transistor bridge driver, etc.) See Notes 16, 17) | PWM0 Comparator Output OC0 | TC0.Ch0 TIOA0 and TIOB0 |
| PWM0 Comparator Output OC1 | TC0.Ch1 TIOA1 and TIOB1 | |||
| PWM0 Comparator Output OC2 | TC0.Ch2 TIOA2 and TIOB2 | |||
| PWM1 Comparator Output OC0 | TC1.Ch0 TIOA3 and TIOB3 | |||
| PWM1 Comparator Output OC1 | TC1.Ch1 TIOA4 and TIOB4 | |||
| PWM1 Comparator Output OC2 | TC1.Ch2 TIOA5 and TIOB5 | |||
| PWM0 Comparator Output OC0 | TC2.Ch0 TIOA6 and TIOB6 | |||
| PWM0 Comparator Output OC1 | TC2.Ch1 TIOA7 and TIOB7 | |||
| PWM0 Comparator Output OC2 | TC2.Ch2 TIOA8 and TIOB8 | |||
| PWM1 Comparator Output OC0 | TC3.Ch0 TIOA9 and TIOB9 | |||
| PWM1 Comparator Output OC1 | TC3.Ch1 TIOA10 and TIOB10 | |||
| Audio clock recovery from Ethernet | Audio | GMAC GTSUCOMP signal adaptation via TC (TC3.TC_EMR.TRIGSRCB) in order to drive the clock reference of the external PLL for the audio clock | GMAC GTSUCOMP | TC3.Ch2 TIOB11 |
| Direct Memory Access | General-purpose | Peripheral trigger event generation to transfer data to/from system memory (see Note 18) | USART, UART, TWIHS, SPI, QSPI, AFEC, TC (Capture), SSC, HSMCI, DAC, AES, PWM, PIO, I2SC | XDMA |
Note:
- Refer to Main Crystal Oscillator Failure Detection.
- Refer to Fault Inputs and Fault Protection.
- Refer to Fault Mode.
- Refer to Fault Output.
- Refer to Low-power Tamper Detection and Anti-Tampering and SYS_GPBRx.
- Refer to Fault Mode.
- Refer to PWM_ETRGx.
- Refer to PWM External Trigger Mode.
- Refer to Conversion Triggers and AFEC_MR.
- Refer to Temperature Sensor.
- Refer to Waveform Generation.
- Refer to PWM_CMPVx and PWM Event Lines.
- Refer to DACC_TRIGR.
- Refer to PWM Comparison Units and PWM Event Lines.
- Refer to Parallel Capture Mode.
- Refer to Comparator.
- Refer to Synchronization with PWM.
- Refer to DMA Controller (XDMAC).