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what are the differences between PL330 and DMA-330?

shuki mann

Hi,

what are the differences between PL-330 and DMA-330?

Are they both support any byte alignment?

Br,

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  • 0

    The DMAC product designator is either PL330 or DMA-330 and depends on the product revision as follows:

    r0p0                  PL330.

    r1p0 or later     DMA-330.

    r0p0 - r1p0   This release includes:

    •        Precise lockup detection, see Watchdog abort on page 2-26.

    •        No store before load, see Abort sources on page 2-25.

    •        Addition of the WD Register, see Watchdog Register on page 3-40.

    •        Addition of the Add Negative Halfword instruction, DMAADNH, see DMAADNH on page 4-4.

    You can find the detail information in DDI0424D_dma330_r1p2_trm.pdf from ARM official website.

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  • 0

    The DMAC product designator is either PL330 or DMA-330 and depends on the product revision as follows:

    r0p0                  PL330.

    r1p0 or later     DMA-330.

    r0p0 - r1p0   This release includes:

    •        Precise lockup detection, see Watchdog abort on page 2-26.

    •        No store before load, see Abort sources on page 2-25.

    •        Addition of the WD Register, see Watchdog Register on page 3-40.

    •        Addition of the Add Negative Halfword instruction, DMAADNH, see DMAADNH on page 4-4.

    You can find the detail information in DDI0424D_dma330_r1p2_trm.pdf from ARM official website.

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