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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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H8S2245 датащи(PDF) 219 Page - Renesas Technology Corp |
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H8S2245 датащи(HTML) 219 Page - Renesas Technology Corp |
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219 / 818 page  Section 7 Data Transfer Controller Rev.3.00 Mar. 26, 2007 Page 177 of 772 REJ09B0355-0300 Section 7 Data Transfer Controller 7.1 Overview The H8S/2245 Group includes a data transfer controller (DTC). The DTC can be activated by an interrupt or software, to transfer data. 7.1.1 Features • Transfer possible over any number of channels Transfer information is stored in memory One activation source can trigger a number of data transfers (chain transfer) • Wide range of transfer modes Normal, repeat, and block transfer modes available Incrementing, decrementing, and fixing of source and destination addresses can be selected • Direct specification of 16-Mbyte address space possible 24-bit transfer source and destination addresses can be specified • Transfer can be set in byte or word units • A CPU interrupt can be requested for the interrupt that activated the DTC An interrupt request can be issued to the CPU after one data transfer ends An interrupt request can be issued to the CPU after the specified data transfers have completely ended • Activation by software is possible • Module stop mode can be set The initial setting enables DTC registers to be accessed. DTC operation is halted by setting module stop mode. |
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