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AMBA AHB Bus Slave
特色
- Supports AHB bus interface to the ARM CPU.
- User interface designed for high speed access to two sets of on-chip or off-chip modules.
- Four write buffers to process posted write.
- Dual read buffers to process CPU read.
- Read access to external bus handled as delay read to avoid system deadlock.
- Supports burst transfer and zero wait state to maximize data bandwidth.
- Supports data width of 8, 16 and 32 bits.
- Supports burst transfers up to 16 data.
- Supports early burst termination and CPU master busy.
- Multiple bus slave is supported by Ready signal input and outputs.
- Programmable address mapping to multiple address spaces.
- User interface optimized to access secondary bus such as PCI and memory subsystems based on SDRAM and FLASH.
- Optimized for ASIC and PLD implementations, including Excalibur PLD.
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ARM AMBA AHB Bus Slave IP
- eSPI & SPI Master/Slave Controller w/FIFO (APB, AHB, or AXI Bus)
- SPI Master / Slave Controller w/FIFO (AHB & AHB-Lite Bus)
- SPI Master / Slave Controller w/FIFO (APB Bus)
- SPI Slave Controller (SPI2APB, SPI2AXI, SPI2AHB Bus)
- I2C Slave Controller w/FIFO (APB or AHB or AHB-Lite or AXI-Lite Bus)
- SPI Master / Slave Controller w/FIFO (AXI & AXI-Lite Bus)