SH7205 Datasheet, PDF (1355/1904 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 25 AT Attachment Packet Interface (ATAPI)
25.4.5 Ultra DMA Transfer Mode Operation Procedure
(1) Transfer to and from memory via enhanced bus by polling
Start
Same as for process (a)
Write following values to bits 8 to 0
in ATAPI control register:
00m110101 for ATAPI device read
00m110001 for ATAPI device write
Note: Set m to the same value as the M/S bit.
Same as for process (b)
End
Figure 25.8 Transfer to and from Memory via Enhanced Bus by Polling
Rev. 1.00 Mar. 25, 2008 Page 1323 of 1868
REJ09B0372-0100