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SH7615 Datasheet, PDF (533/925 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7600 Series
Relationship of Request Modes and Bus Modes by DMA Transfer Category: Table 11.8
shows the relationship between request modes, bus modes, etc., by DMA transfer category.
Table 11.8 Relationship of Request Modes and Bus Modes by DMA Transfer Category
Address
Mode Transfer Range
Single
Between external memory and
external device with DACK
Between external device with
DACK, and memory mapped
external device
Dual
Between external memories
Between external memory and
memory mapped external
device
Between memory mapped
external devices
Between external memory and
internal peripheral module
Between memory mapped
external device and internal
peripheral module
Between internal memories
Between internal memory and
memory mapped external
device*5
Request Mode*3
External
External
External
Automatic
Internal peripheral module*1
External
Automatic
Internal peripheral module*1
External
Automatic
Internal peripheral module*1
External
Automatic
Internal peripheral module*2
External
Automatic
Internal peripheral module*2
Automatic
External
Automatic
Internal peripheral module*1
Bus
Transfer
Mode*7 Size (Byte)
B/C
1/2/4/16*8
B/C
1/2/4/16*8
B/C
1/2/4/16*8
B/C
1/2/4/16
C
1/2/4
B/C
1/2/4/16*8
B/C
1/2/4/16
C
1/2/4
B/C
1/2/4/16*8
B/C
1/2/4/16
C
1/2/4
B/C
1/2/4*4
B/C
1/2/4*4
C
1/2/4*4
B/C
1/2/4*4
B/C
1/2/4*4
C
1/2/4*4
B/C
1/2/4/16
B/C
1/2/4/16*8
B/C
1/2/4/16
C
1/2/4
Rev. 2.00, 03/05, page 495 of 884