h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 184

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

DMAC: The DMAC sends the bus arbiter a request for the bus when an activation request is
generated.
In normal transfer mode or in cycle steal transfer mode, the DMAC releases the bus after a single
transfer. In block transfer mode, it releases the bus after transfer of one block, and in burst mode,
after completion of the transfer.
6.10
Bus Controller Operation in Reset
In a reset, this LSI, including the bus controller, enters the reset state immediately, and any
executing bus cycle is aborted.
Rev. 2.00, 03/04, page 152 of 534