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238
Data buffer
Address b
us
Data b
us
Address b
us
Data b
us
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 11.7 Direct Address Operation during Dual Address Mode
Содержание SH7041 Series
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