SPRUIN7C March 2020 – March 2024 TMS320F280021 , TMS320F280021-Q1 , TMS320F280023 , TMS320F280023-Q1 , TMS320F280023C , TMS320F280025 , TMS320F280025-Q1 , TMS320F280025C , TMS320F280025C-Q1
The external host interrupts the device using H2DINT that goes to the PIE. A write to the HICH2DTOKEN register triggers H2DINT. The H2DINT sources are shown in Figure 13-4.
The device interrupts the external host using D2HINT that comes out on a pin. A write to the HICD2HTOKEN register triggers D2HINT. The D2HINT sources are shown in Figure 13-5.
D2HINT can also be triggered by peripherals in the device (EVTRIG) as indicated in Figure 13-5. The sources for EVTRIG are listed in Table 13-2.
Event Trigger | Peripheral Interrupt Source |
---|---|
EVTRIG[0] | FSIRX_INT1, FSIRX_INT2 |
EVTRIG[1] | FSITX_INT1, FSITX_INT2 |
EVTRIG[2] | SPIB_TX, SPIB_RX |
EVTRIG[3] | SPIA_TX, SPIA_RX |
EVTRIG[4] | EPWM2, EPWM2_TZ |
EVTRIG[5] | EPWM1, EPWM1_TZ |
EVTRIG[6] | CLB2 |
EVTRIG[7] | CLB1 |
EVTRIG[8..15] | Reserved |