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7721 Datasheet(PDF) 455 Page - Renesas Technology Corp |
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7721 Datasheet(HTML) 455 Page - Renesas Technology Corp |
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455 / 577 page  APPLICATION 7721 Group User’s Manual 16–52 16.2 Examples of using DMA controller Fig. 16.2.10 Initial setting example for relevant register (3) DMA1 request bit DMA2 request bit b7 b0 Port P6 register (Address E16) RTP00/P60–RTP03/P63 initial output : H level 11 11 b7 b0 11 11 b7 b0 Count source 000 00 b7 b0 RTP0 Pulse mode 0 001 Timer A0 register (Addresses 4716, 4616) First step time b15 b0 b8 b7 b7 b0 First phase output data b7 b0 Timer A0 count start 1 DMA1 enabled DMA2 enabled b7 b0 1 1 b7 b0 0 0 are set to “0.” Port P6 direction register (Address 1016) RTP00/P60–RTP03/P63 pin : Output mode Pulse output data register 0 (Address 1A16) ! TImer A0 mode register (Address 5616) Real-time output control register (Address 6216) Count start register (Address 4016) DMAC control register L (Address 6816) DMAC control register H (Address 6916) ! : It may be “0” or “1.” |
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