SH7265 Datasheet, PDF (1431/2024 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 27 AT Attachment Packet Interface (ATAPI)
27.4.5 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 27.8 Transfer to and from Memory via Enhanced Bus by Polling
Rev. 1.00 Mar. 14, 2008 Page 1395 of 1984
REJ09B0351-0100