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H8SX/1663M Datasheet(PDF) 1018 Page - Renesas Technology Corp |
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H8SX/1663M Datasheet(HTML) 1018 Page - Renesas Technology Corp |
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1018 / 1504 page  Section 20 USB Function Module (USB) Rev. 2.00 Sep. 24, 2008 Page 986 of 1468 REJ09B0412-0200 20.3.21 DMA Transfer Setting Register (DMA) DMA transfer can be carried out between the endpoint 1 and 2 data registers and memory by means of the on-chip direct memory access controller (DMAC). Dual address transfer is performed in bytes. To start DMA transfer, DMAC settings must be made in addition to the settings in this register. Bit Bit Name Initial Value R/W 7 0 R 6 0 R 5 0 R 4 0 R 3 0 R 2 PULLUP_E 0 R/W 1 EP2DMAE 0 R/W 0 EP1DMAE 0 R/W Bit Bit Name Initial Value R/W Description 7 6 5 4 3 0 0 0 0 0 R R R R R Reserved These bits are always read as 0. The write value should always be 0. 2 PULLUP_E 0 R/W PULLUP Enable This pin performs the pull-up control for the D+ pin, with using PM4 as the pull-up control pin. 0: D+ is not pulled up. 1: D+ is pulled up. |
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