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SH7014 Datasheet(PDF) 202 Page - Renesas Technology Corp

Part # SH7014
Description  32-Bit RISC Microcomputer
PDF  754 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7014 Datasheet(HTML) 202 Page - Renesas Technology Corp

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9. Direct Memory Access Controller (DMAC)
Rev.5.00 Sep. 27, 2007 Page 168 of 716
REJ09B0398-0500
Data buffer
Memory
Transfer source
module
Transfer destination
module
Memory
Transfer source
module
Transfer destination
module
SAR
DAR
Data buffer
SAR
DAR
The SAR value is taken as the address, and data is read from the transfer source
module and stored temporarily in the DMAC.
1st bus cycle
2nd bus cycle
The DAR value is taken as the address, and data stored in the DMAC's data
buffer is written to the transfer destination module.
DMAC
DMAC
Figure 9.5 Operation during Dual Address Mode



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