SPRAC90G August 2021 – October 2022 66AK2G12 , AM2431 , AM2432 , AM2434 , AM2631 , AM2632 , AM2634 , AM3351 , AM3352 , AM3354 , AM3356 , AM3357 , AM3358 , AM3359 , AM4372 , AM4376 , AM4377 , AM4378 , AM4379 , AM5706 , AM5708 , AM5716 , AM5718 , AM5726 , AM5728 , AM5729 , AM5746 , AM5748 , AM623 , AM625 , AM6411 , AM6412 , AM6421 , AM6422 , AM6441 , AM6442 , AM6526 , AM6528 , AM6546 , AM6548
Table 1-1 shows a high-level feature of the PRU subsystems.. The subsequent sections show the feature differences between each device that supports the given subsystem flavor. For a more detailed comparison, see the PRU-ICSS/PRU_ICSSG Migration Guide.
| Feature | PRUSS | PRU-ICSS | PRU_ICSSG | |
|---|---|---|---|---|
| General PRU Specifications | PRU cores | Yes | Yes | Yes |
| RTU_PRU (Auxiliary PRU) cores | No | No | Yes | |
| TX PRU (Transmit PRU) cores | No | No | Yes | |
| IRAM (per PRU / RTU_PRU / TX_PRU core) | Yes | Yes | Yes | |
| DRAM (2 DRAMs per PRU-ICSS/PRU_ICSSG) | Yes | Yes | Yes | |
| Shared DRAM | Yes | Yes | Yes | |
| INTC | Yes | Yes | Yes | |
| General Purpose Inputs | Direct Input | Yes | Yes | Yes |
| 16-bit Parallel Capture | Yes | Yes | Yes | |
| 28-bit Shift | Yes | Yes | Yes | |
| 3 Ch. Peripheral Interface (EnDAT) | No | Device dependent | Yes | |
| 9 Ch. Sigma Delta | No | Device dependent | Yes | |
| General Purpose Outputs | Direct Output | Yes | Yes | Yes |
| Shift out | Yes | Yes | Yes | |
| Accelerators: Data Processing | MPY/MAC | Yes | Yes | Yes |
| CRC 16/32 | Yes | Device dependent | Yes | |
| Scratch Pad | Yes | Yes | Yes | |
| IPC Scratch Pad | No | No | Yes | |
| Broadside RAM | No | No | Yes | |
| BSWAP | No | No | Yes | |
| SUM32 | No | No | Yes | |
| Task Manager | No | No | Yes | |
| Spinlock | No | No | Yes | |
| Filter Data Base (FDB) | No | No | Yes | |
| Accelerators: Data Movement | XFR2VBUS | Yes | No | Yes |
| PSI TX & RX | No | No | Yes | |
| XFR2TR | No | No | Yes | |
| Peripherals | UART | Yes | Yes | Yes |
| eCAP | Yes | Yes | Yes | |
| IEP | Yes | Yes | Yes | |
| MII_RT or MII_G_RT | No | Yes (MII) | Yes (MII/RGMII) | |
| MDIO | No | Yes | Yes | |
| SGMII | No | No | Device Dependent | |
| PWM | No | No | Yes |