HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 336

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Rev. 1.00, 02/04, page 298 of 804
(with acknowledge-
(memory mapped)
External ROM
External device
External RAM
External device
DACK, TEND
ment)
peripheral module
DMA transfer acknowledge signal
memory
On-chip
Interrupt controller
On-chip
DREQ
DMA transfer request signal
Figure 10.1 Block Diagram of the DMAC
Bus state
controller
DEIn
interface
Register
Iteration
control
Request
control
Start-up
priority
control
control
Bus
Legend
SAR_n:
DAR_n:
DMATCR_n:
CHCR_n:
DMAOR:
DMARS0, 1:
DEIn:
IARn:
n:
DMAC module
DMA source address register
DMA destination address register
DMA transfer count register
DMA channel control register
DMA operation register
DMA extension resource selector
DMA transfer end interrupt request to the CPU
DMA initial address register
0 , 1 , 2 , 3
DMATCR_n
DMARS0~2
CHCR_n
DMAOR
SAR_n
DAR_n
IARn