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Queue Structure
The A2Q implements hardware queues for use as FIFOs and LIFOs for inter-process communications, especially in real-time applications. They can be used for secure communications between intelligent DMA controllers, CPUs and other intelligent I/O devices. These queues can be used to, in many cases, eliminate the RTOS from time critical sections of complex System-on-Chip designs.
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FIFO and LIFO IP
- USB 2.0 Device with FIFO Interface (USB20HF)
- USB 2.0 Device, Software Enumeration FIFO Interface (USB20SF)
- SPI Master / Slave Controller w/FIFO (APB Bus)
- eSPI & SPI Master/Slave Controller w/FIFO (APB, AHB, or AXI Bus)
- I2C Master Controller w/FIFO (APB Bus)
- I2C Master / Slave Controller w/FIFO (AHB & AHB-Lite Bus)