HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 212

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

10. Direct Memory Access Controller (DMAC)
Figure 10.1 is a block diagram of the DMAC.
Rev.4.00 Mar. 27, 2008 Page 168 of 882
REJ09B0108-0400
acknowledge)
On-chip ROM
On-chip RAM
External I/O
External I/O
DREQ0, DREQ1
DACK0, DACK1
DRAK0, DRAK1
peripheral
(memory
mapped)
External
External
On-chip
module
ROM
RAM
(with
SCI0, SCI1
A/D 1
DEIn
MTU
Figure 10.1 DMAC Block Diagram
Bus state
controller
DMATCRn:
Bus interface
DMAOR:
CHCRn:
Activation
DARn:
SARn:
Transfer
Register
Request
control
control
control
priority
control
count
n:
DMAC source address register
DMAC destination address register
DMAC transfer count register
DMAC channel control register
DMAC operation register
0, 1, 2, 3
DMAC module
DMATCRn
DMAOR
CHCRn
SARn
DARn