Datasheet

Section 7 DMA Controller (DMAC)
R01UH0310EJ0500 Rev. 5.00 Page 365 of 1384
Sep 25, 2012
H8S/2426, H8S/2426R, H8S/2424 Group
Transfer requests (activation sources) are external requests and auto-requests. With auto-requests,
the DMAC is only activated by register setting, and the specified number of transfers are
performed automatically. With auto-requests, cycle steal mode or burst mode can be selected. In
cycle steal mode, the bus is released to another bus master each time a transfer is performed. In
burst mode, the bus is held continuously until transfer ends.