SPRUJ55D September 2023 – July 2025 AM263P2 , AM263P2-Q1 , AM263P4 , AM263P4-Q1
The IEP digital I/O supports the following features:
The industrial digital I/Os supported by the PRU-ICSS IEP peripheral are described in Table 7-109.
| Direction | Port | Mapped to Device I/Os | Notes |
|---|---|---|---|
| output | PR<k>_IEP0_EDIO_DATA_IN_OUT[0:31] | PR0_IEP0_EDIO_DATA_IN_OUT[31:28] |
Only PR<k>_IEP0_EDIO_DATA_IN_OUT[31:28] are exported to device pins as a bidirectional. |
| output | PR<k>_EDIO_DATA_OUT_EN[0:31] | No | Optional tri-state control for DATA_OUT |
| output | PR<k>_IEP0_EDIO_OUTVALID | PR0_IEP0_EDIO_OUTVALID |
Will pulse even same data |
| output | PR<k>_EDIO_SOF | No | PRU<0/1>_RX_SOF defined by IEP_DIGIO_EXP_REG[12] SOF_SEL |
| input | PR<k>_EDIO_OE_EXT | No | |
| output | PR<k>_EDIO_WD_TRIG | No | Just export of IEP_WD_STATUS_REG[0] PD_WD_STAT |
| output | PR<k>_EDIO_DATA_ENA | No | Reserved. Driven low. |
| input | PR<k>_IEP<n>_EDC_LATCH_IN0 | PR0_IEP<n>_EDC_LATCH_IN0 |
|
| input | PR<k>_IEP<n>_EDC_LATCH_IN1 | PR0_IEP<n>_EDC_LATCH_IN1 |
|
| output | PR<k>_IEP<n>_EDC_SYNC_OUT0 | PR0_IEP<n>_EDC_SYNC_OUT0 |
|
| output | PR<k>_IEP<n>_EDC_SYNC_OUT1 | PR0_IEP<n>_EDC_SYNC_OUT1 |