Section 11 Direct Memory Access Controller (DMAC)
Rev. 2.00 Mar 09, 2006 page 511 of 906
REJ09B0292-0200
Clock
Bus cycle
Requests acceptable
1st
acceptance
CPU
CPU
DMAC
CPU
Blind zone
Blind zone
2nd
acceptance
DACKn
(Active high)
DREQn
(Active high)
Figure 11.38 DREQn Pin Input Detection Timing in Cycle-Steal Mode with Level Detection
(Byte/Word/Longword Setting)
Clock
Bus cycle
DMAC
H
DACK
H
DACK
L
1st
acceptance
CPU
Blind zone
Blind zone
2nd
acceptance
DMAC
L
CPU
DACKn
(Active high)
DREQn
(Active high)
Figure 11.39 When a 16-Bit External Device is Connected (Level Detection)
Содержание SH7616
Страница 10: ...Rev 2 00 Mar 09 2006 page x of xxvi ...
Страница 132: ...Section 2 CPU Rev 2 00 Mar 09 2006 page 106 of 906 REJ09B0292 0200 ...
Страница 568: ...Section 12 16 Bit Free Running Timer FRT Rev 2 00 Mar 09 2006 page 542 of 906 REJ09B0292 0200 ...
Страница 582: ...Section 13 Watchdog Timer WDT Rev 2 00 Mar 09 2006 page 556 of 906 REJ09B0292 0200 ...
Страница 662: ...Section 14 Serial Communication Interface with FIFO SCIF Rev 2 00 Mar 09 2006 page 636 of 906 REJ09B0292 0200 ...
Страница 706: ...Section 16 Serial I O SIO Rev 2 00 Mar 09 2006 page 680 of 906 REJ09B0292 0200 ...
Страница 820: ...Section 19 Pin Function Controller PFC Rev 2 00 Mar 09 2006 page 794 of 906 REJ09B0292 0200 ...
Страница 932: ...Appendix D Package Dimensions Rev 2 00 Mar 09 2006 page 906 of 906 REJ09B0292 0200 ...
Страница 935: ...SH7616 Hardware Manual ...