SH7764 Datasheet, PDF(672/1752 Page) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

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SH7764 Datasheet, PDF (672/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

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Section 17 ATAPI

17.5.4 Procedure in Ultra DMA Transfer Mode

â¢ Transfer to and from memory via pixel bus by polling

Start

Same as process (a)

Write the following values to bits 8 to 0

in the ATAPI control register:

00m110101 for ATAPI device read and

00m110001 for ATAPI device write

Note: Set the same value as the M/S bit to m.

Same as Process (b)

End

Figure 17.9 Transfer to and from Memory via Pixel Bus by Polling

â¢ Transfer to and from graphics memory via pixel bus by interrupt

Rev. 1.00 Nov. 22, 2007 Page 616 of 1692

REJ09B0360-0100

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