Section 14 Direct Memory Access Controller (DMAC)
Rev. 1.00 Oct. 01, 2007 Page 566 of 1956
REJ09B0256-0100
•
Active levels for both the DMA transfer request acceptance signal (
DACKn
) and DMA
transfer end signal (
TENDn
) can be set. (n = 0 to 3)
Figure 14.1 shows the block diagram of the DMAC.
Iteration
control
DMAC channels 0 to 5
SARm
DARm
TCRm
CHCRm
DMAOR0
DMARS0-2
SARBn
DARBn
TCRBn
Register
control
Start-up
control
Request
priority
control
Bus
interface
On-chip memory
On-chip
peripheral
module
Interrupt controller
Peripheral
bus controller
DMA transfer request signal
DMINT0 to DMINT5
[Legend]
m:
0,1,2,3,4,5 for channels 0 to 5
n:
0,1,2,3 for channels 0 to 5
Note:
*
The half-end interrupt request is available in channels 0 to 3.
CHCRm:
DARBn:
DARm:
DMAE:
DMAOR :
DMA channel control register
DMA destination address register B
DMA destination address register
DMA Address error interrupt request
DMA operation register
DMARS0 to
DMARS2:
DMINTm:
SARBn:
SARm:
TCRBn:
TCRm:
DMA extended resource selectors 0 to 2
DMA transfer end/half-end interrupt request from channel m
*
DMA source address register B
DMA source address register
DMA transfer count register B
DMA transfer count register
DMAE
DREQ0
to
DREQ3
DACK0
to
DACK3
TEND0
to
TEND3
DMA transfer end signal
External ROM
External RAM
External I/O
Local bus state
controller
DDR-SDRAM
interface
PCI controller
SuperHyw
a
y b
us
Figure 14.1 Block Diagram of DMAC
Содержание SH7763
Страница 2: ...Rev 1 00 Oct 01 2007 Page ii of lxvi ...
Страница 122: ...Section 2 Programming Model Rev 1 00 Oct 01 2007 Page 56 of 1956 REJ09B0256 0100 ...
Страница 144: ...Section 3 Instruction Set Rev 1 00 Oct 01 2007 Page 78 of 1956 REJ09B0256 0100 ...
Страница 170: ...Section 4 Pipelining Rev 1 00 Oct 01 2007 Page 104 of 1956 REJ09B0256 0100 ...
Страница 282: ...Section 7 Caches Rev 1 00 Oct 01 2007 Page 216 of 1956 REJ09B0256 0100 ...
Страница 378: ...Section 9 Interrupt Controller INTC Rev 1 00 Oct 01 2007 Page 312 of 1956 REJ09B0256 0100 ...
Страница 514: ...Section 12 DDR SDRAM Interface DDRIF Rev 1 00 Oct 01 2007 Page 448 of 1956 REJ09B0256 0100 ...
Страница 630: ...Section 13 PCI Controller PCIC Rev 1 00 Oct 01 2007 Page 564 of 1956 REJ09B0256 0100 ...
Страница 686: ...Section 14 Direct Memory Access Controller DMAC Rev 1 00 Oct 01 2007 Page 620 of 1956 REJ09B0256 0100 ...
Страница 710: ...Section 16 Clock Pulse Generator CPG Rev 1 00 Oct 01 2007 Page 644 of 1956 REJ09B0256 0100 ...
Страница 732: ...Section 17 Watchdog Timer and Reset WDT Rev 1 00 Oct 01 2007 Page 666 of 1956 REJ09B0256 0100 ...
Страница 752: ...Section 18 Power Down Mode Rev 1 00 Oct 01 2007 Page 686 of 1956 REJ09B0256 0100 ...
Страница 772: ...Section 19 Timer Unit TMU Rev 1 00 Oct 01 2007 Page 706 of 1956 REJ09B0256 0100 ...
Страница 824: ...Section 21 Compare Match Timer CMT Rev 1 00 Oct 01 2007 Page 758 of 1956 REJ09B0256 0100 ...
Страница 1060: ...Section 23 Gigabit Ethernet Controller GETHER Rev 1 00 Oct 01 2007 Page 994 of 1956 REJ09B0256 0100 ...
Страница 1062: ...Section 24 IP Security Accelerator SECURITY Rev 1 00 Oct 01 2007 Page 996 of 1956 REJ09B0256 0100 ...
Страница 1124: ...Section 26 I 2 C Bus Interface IIC Rev 1 00 Oct 01 2007 Page 1058 of 1956 REJ09B0256 0100 ...
Страница 1184: ...Section 27 Serial Communication Interface with FIFO SCIF Rev 1 00 Oct 01 2007 Page 1118 of 1956 REJ09B0256 0100 ...
Страница 1350: ...Section 30 SIM Card Module SIM Rev 1 00 Oct 01 2007 Page 1284 of 1956 REJ09B0256 0100 ...
Страница 1484: ...Section 33 Audio Codec Interface HAC Rev 1 00 Oct 01 2007 Page 1418 of 1956 REJ09B0256 0100 ...
Страница 1560: ...Section 35 USB Host Controller USBH Rev 1 00 Oct 01 2007 Page 1494 of 1956 REJ09B0256 0100 ...
Страница 1720: ...Section 37 LCD Controller LCDC Rev 1 00 Oct 01 2007 Page 1654 of 1956 REJ09B0256 0100 ...
Страница 2025: ......
Страница 2026: ...SH7763 Hardware Manual ...