HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 237
HD6417144
Manufacturer Part Number
HD6417144
Description
32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417144.pdf
(930 pages)
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Figure 10.9 Dual Address Mode and Indirect Address Transfer Timing Example
(External Memory Space to External Memory Space, 16-Bit Width)
Notes:
data bus
D15–D0
Internal
A21–A0
address
address
Internal
indirect
DMAC
DMAC
WRH,
buffer
buffer
WRL
CSn
data
bus
RD
CK
1.
2.
The internal address bus is controlled by the port and does not change.
DMAC does not fetch value until 32-bit data is read from the internal data
bus.
Transfer source
address (H)
address (H)
(1st)
address ∗
Transfer
source
Indirect
Address read cycle
Indirect address ∗
1
address (L)
address (L)
(2nd)
Transfer
source
Indirect
NOP
2
cycle
NOP
NOP
10. Direct Memory Access Controller (DMAC)
Indirect
address
Rev.4.00 Mar. 27, 2008 Page 193 of 882
read cycle
Indirect
address
(3rd)
address
Data
Indirect
Transfer
data
Transfer
data
Transfer
write cycle
data
destination
(4th)
Transfer
address
Data
Transfer
Transfer
data
data
REJ09B0108-0400
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