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Section 13 Direct Memory Access Controller (DMAC)
Rev. 4.00 Sep. 14, 2005 Page 439 of 982
REJ09B0023-0400
Table 13.9 Relationship of Request Modes and Bus Modes by DMA Transfer Category
Address
Mode Transfer
Category
Request
Mode
Bus
Mode
Transfer
Size (Bits)
Usable
Channels
External device with
DACK
and external memory
External B/C 8/16/32/128 0,
1
External device with
DACK
and memory-mapped
external device
External B/C 8/16/32/128 0,
1
External memory and external memory
All
*
1
B/C
8/16/32/128
0 to 3
*
5
External memory and memory-mapped external
device
All
*
1
B/C
8/16/32/128
0 to 3
*
5
Memory-mapped external device and memory-
mapped external device
All
*
1
B/C
8/16/32/128
0 to 3
*
5
External memory and on-chip peripheral module
All
*
2
B/C
*
3
8/16/32/128
*
4
0 to 3
*
5
Memory-mapped external device and
on-chip peripheral module
All
*
2
B/C
*
3
8/16/32/128
*
4
0 to 3
*
5
On-chip peripheral module and on-chip peripheral
module
All
*
2
B/C
*
3
8/16/32/128
*
4
0 to 3
*
5
X/Y memory, U memory and X/Y memory,
U memory
All
*
1
B/C
8/16/32/128
0 to 3
*
5
X/Y memory, U memory and memory-mapped
external device
All
*
1
B/C
8/16/32/128
0 to 3
*
5
X/Y memory, U memory and on-chip peripheral
module
All
*
2
B/C
*
3
8/16/32/128
*
4
0 to 3
*
5
Dual
X/Y memory, U memory and external memory
All
*
1
B/C
8/16/32/128
0 to 3
*
5
External device with
DACK
and external memory
External B/C 8/16/32/128 0,
1
Single
External device with
DACK
and memory-mapped
external device
External B/C 8/16/32/128 0,
1
[Legend]
B: Burst
C: Cycle steal
Notes:
1. External requests, auto requests, and on-chip peripheral module requests are all
available. In the case of on-chip peripheral module requests, however, CMT0, CMT1,
and MTU0 to MTU4 are only available.
2. External requests, auto requests, and on-chip peripheral module requests are all
available. However, for on-chip peripheral module requests, the module must be
designated as the transfer request source or the transfer destination except CMT0,
CMT1, and MTU0 to MTU4.
3. For on-chip peripheral module requests, the transfer source is in cycle steal mode
except CMT0, CMT1, and MTU0 to MTU4.
4. Access size permitted for the on-chip peripheral module register functioning as the
transfer source or transfer destination.
5. If the transfer request is an external request, channels 0 to 1 are only available.
Содержание HD6417641
Страница 2: ...Rev 4 00 Sep 14 2005 Page ii of l...
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Страница 11: ...Rev 4 00 Sep 14 2005 Page xi of l USB Universal serial bus WDT Watch dog timer...
Страница 12: ...Rev 4 00 Sep 14 2005 Page xii of l...
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Страница 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
Страница 212: ...Section 5 Watchdog Timer WDT Rev 4 00 Sep 14 2005 Page 162 of 982 REJ09B0023 0400...
Страница 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
Страница 246: ...Section 8 X Y Memory Rev 4 00 Sep 14 2005 Page 196 of 982 REJ09B0023 0400...
Страница 318: ...Section 11 User Break Controller UBC Rev 4 00 Sep 14 2005 Page 268 of 982 REJ09B0023 0400...
Страница 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Страница 500: ...Section 13 Direct Memory Access Controller DMAC Rev 4 00 Sep 14 2005 Page 450 of 982 REJ09B0023 0400...
Страница 504: ...Section 14 U Memory Rev 4 00 Sep 14 2005 Page 454 of 982 REJ09B0023 0400...
Страница 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Страница 734: ...Section 18 Multi Function Timer Pulse Unit MTU Rev 4 00 Sep 14 2005 Page 684 of 982 REJ09B0023 0400...
Страница 868: ...Section 21 A D Converter Rev 4 00 Sep 14 2005 Page 818 of 982 REJ09B0023 0400...
Страница 914: ...Section 23 I O Ports Rev 4 00 Sep 14 2005 Page 864 of 982 REJ09B0023 0400...
Страница 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Страница 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Страница 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
Страница 1032: ...Rev 4 00 Sep 14 2005 Page 982 of 982 REJ09B0023 0400 X X Y data addressing 52 X Y memory 193...
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Страница 1036: ...SH7641 Hardware Manual...