r5s72060w200fpv Renesas Electronics Corporation., r5s72060w200fpv Datasheet - Page 383

• Manufacturer Part Number: r5s72060w200fpv
• Description: 32-bit Risc Microcomputer Superhtm Risc Engine Family / Sh7200 Series
• Manufacturer: Renesas Electronics Corporation.

Figure 9.1 shows the block diagram of the DMAC.
RDMATCR:
DMATCR:
RSAR:
SAR:
RDAR:
DAR:
[Legend]
(with acknowledge)
DREQ0 to DREQ3
DACK0 to DACK3,
TEND0, TEND1
(memory mapped)
External ROM
External RAM
External device
External device
peripheral module
DMA transfer acknowledge signal
memory
On-chip
Interrupt controller
On-chip
DMA transfer request signal
DMA reload transfer count register
DMA transfer count register
DMA reload source address register
DMA source address register
DMA reload destination address register
DMA destination address register
Figure 9.1 Block Diagram of DMAC
Bus state
controller
CHCR:
DMAOR:
DMARS0 to DMARS3:
HEIn:
DEIn:
n = 0 to 7
HEIn
DEIn
interface
Register
Request
Start-up
Iteration
control
priority
control
control
control
Bus
Section 9 Direct Memory Access Controller (DMAC)
DMA channel control register
DMA operation register
DMA extension resource selectors 0 to 3
DMA transfer half-end interrupt request to the CPU
DMA transfer end interrupt request to the CPU
Rev. 2.00 Dec. 09, 2005 Page 359 of 1152
DMAC module
RDMATCR_n
DMATCR_n
to DMARS3
DMARS0
RDAR_n
CHCR_n
RSAR_n
DMAOR
SAR_n
DAR_n
REJ09B0191-0200