HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 207

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

9.1.2
Figure 9.1 shows a block diagram of the DMAC.
DMAOR: DMA operation register
SARn: DMA source address register
DARn: DMA destination address register
TCRn: DMA transfer count register
CHCRn: DMA channel control register
DEIn: DMA transfer-end interrupt request to CPU
n: 0-3
External device
DREQ0, DREQ1
acknowledge)
DACK0, DACK1
Block Diagram
device (with
External
External
(memory-
ROM
mapped)
RAM
External
A/D converter
supporting
On-chip
module
On-chip
On-chip
ROM
RAM
DEIn
SCI
ITU
Figure 9.1 Block Diagram of DMAC
Bus controller
Section 9 Direct Memory Access Controller (DMAC)
Bus interface
Register
Request
Iteration
Start-up
control
control
control
priority
control
Rev. 7.00 Jan 31, 2006 page 181 of 658
DMAOR
CHCRn
SARn
DARn
TCRn
REJ09B0272-0700
DMAC