HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 503

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

(3)
Table 10.8 shows the relationship between request modes and bus modes by DMA transfer
category.
Table 10.8 Relationship between Request Modes and Bus Modes by DMA Transfer
B: Burst mode, C: Cycle steal mode
Address
Mode
Dual
Single
Relationship between Request Modes and Bus Modes by DMA Transfer Category
Transfer Category
External device with DACK and external
memory
External device with DACK and memory-
mapped external device
External memory and external memory
External memory and memory-mapped
external device
Memory-mapped external device and
memory-mapped external device
External memory and on-chip peripheral
module
Memory-mapped external device and
on-chip peripheral module
On-chip peripheral module and on-chip
peripheral module
X/Y memory and X/Y memory
X/Y memory and memory-mapped
external device
X/Y memory and on-chip peripheral
module
X/Y memory and external memory
External device with DACK and external
memory
External device with DACK and memory-
mapped external device
Category
Section 10
Request
Mode
External
External
All*
All*
All*
All*
All*
All*
All*
All*
All*
All*
External
External
1
1
1
2
2
2
1
1
2
1
Rev. 3.00 Jan. 18, 2008 Page 441 of 1458
Direct Memory Access Controller (DMAC)
Bus
Mode
B/C
B/C
B/C
B/C
B/C
B/C*
B/C*
B/C*
B/C
B/C
B/C*
B/C
B/C
B/C
3
3
3
3
Transfer
Size (Bits)
8/16/32/128
8/16/32/128
8/16/32/128
8/16/32/128
8/16/32/128
8/16/32/128*
8/16/32/128*
8/16/32/128*
8/16/32/128
8/16/32/128
8/16/32/128*
8/16/32/128
8/16/32
8/16/32
REJ09B0033-0300
4
4
4
4
0,1
0, 1
0 to 5*
0 to 5*
0 to 5*
0 to 5*
0 to 5*
0 to 5*
0, 1
0, 1
Usable
Channels
0 to 5*
0 to 5*
0 to 5*
0 to 5*
5
5
5
5
5
5
5
5
5
5