Rev. 5.00, 09/03, page 237 of 760
Bits 10 and 9—Area 0 Burst ROM Control (A0BST1, A0BST0): Specify whether to use burst
ROM in physical space area 0. When burst ROM is used, these bits set the number of burst
transfers.
Bit 10: A0BST1
Bit 9: A0BST0
Description
0
0
Access area 0 accessed as ordinary memory
(Initial value)
1
Access area 0 accessed as burst ROM (4 consecutive
accesses). Can be used when bus width is 8, 16, or 32.
1
0
Access area 0 accessed as burst ROM (8 consecutive
accesses). Can be used when bus width is 8 or 16.
Should not be specified when bus width is 16 or 32.
1
Access area 0 accessed as burst ROM (16 consecutive
accesses). Can be used only when bus width is 8.
Should not be specified when bus width is 16 or 32.
Bits 8 and 7—Area 5 Burst Enable (A5BST1, A5BST0): Specify whether to use burst ROM
and PCMCIA burst mode in physical space area 5. When burst ROM and PCMCIA burst mode
are used, these bits set the number of burst transfers.
Bit 8: A5BST1
Bit 7: A5BST0
Description
0
0
Access area 5 accessed as ordinary memory
(Initial value)
1
Burst access of area 5 (4 consecutive accesses). Can
be used when bus width is 8, 16, or 32.
1
0
Burst access of area 5 (8 consecutive accesses). Can
be used when bus width is 8 or 16. Should not be
specified when bus width is 32.
1
Burst access of area 5 (16 consecutive accesses). Can
be used only when bus width is 8. Should not be
specified when bus width is 16 or 32.
Bits 6 and 5—Area 6 Burst Enable (A6BST1, A6BST0): Specify whether to use burst ROM
and PCMCIA burst mode in physical space area 6. When burst ROM and PCMCIA burst mode
are used, these bits set the number of burst transfers.
Содержание SH7709S
Страница 2: ......
Страница 44: ...Rev 5 00 09 03 page xliv of xliv ...
Страница 62: ...Rev 5 00 09 03 page 18 of 760 ...
Страница 128: ...Rev 5 00 09 03 page 84 of 760 ...
Страница 146: ...Rev 5 00 09 03 page 102 of 760 ...
Страница 224: ...Rev 5 00 09 03 page 180 of 760 ...
Страница 246: ...Rev 5 00 09 03 page 202 of 760 ...
Страница 266: ...Rev 5 00 09 03 page 222 of 760 ...
Страница 370: ...Rev 5 00 09 03 page 326 of 760 ...
Страница 432: ...Rev 5 00 09 03 page 388 of 760 ...
Страница 532: ...Rev 5 00 09 03 page 488 of 760 ...
Страница 598: ...Rev 5 00 09 03 page 554 of 760 ...
Страница 630: ...Rev 5 00 09 03 page 586 of 760 ...
Страница 656: ...Rev 5 00 09 03 page 612 of 760 ...
Страница 684: ...Rev 5 00 09 03 page 640 of 760 ...
Страница 700: ...Rev 5 00 09 03 page 656 of 760 ...
Страница 758: ...Rev 5 00 09 03 page 714 of 760 ...
Страница 807: ...SH7709S Group Hardware Manual REJ09B0081 0500O ADE 602 250C ...