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CS5535 데이터시트(PDF) 412 Page - National Semiconductor (TI) |
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CS5535 데이터시트(HTML) 412 Page - National Semiconductor (TI) |
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412 / 555 page ![]() www.national.com 412 Revision 0.8 DMA Register Descriptions (Continued) 5.13.2.14 Master DMA Channel [7:4] Software Request (DMA_CH7:4_SFT_REQ) 5.13.2.15 Master DMA Channel [7:4] Channel Mask (DMA_CH7:4_CHMSK) 2DMA_DIS DMA Disable. 0: DMA enable for Channels [7:4]; 1: DMA disable for Channels [7:4]. 1:0 RSVD Reserved. Bit 0 must be written with value 0; bit 1 value is don’t care. I/O Address 0D2h Type WO Reset Value xxh DMA_CH7:4_SFT_REQ Register Map 76543 210 RSVD DMA_RQ DMA_CH_SEL DMA_CH7:4_SFT_REQ Bit Descriptions Bit Name Description 7:3 RSVD Reserved. Write value is don’t care. 2DMA_RQ DMA Request. Set to 1 to enable DMA request. 1:0 DMA_CH_SEL DMA Channel Select. 00: Channel 4. 10: Channel 6. 01: Channel 5. 11: Channel 7. I/O Address 0D4h Type WO Reset Value xxh DMA_CH7:4_CHMSK Register Map 76543 210 RSVD CH_MASK DMA_CH_SEL DMA_CH7:4_CHMSK Bit Descriptions Bit Name Description 7:3 RSVD Reserved. Write value is don’t care. 2 CH_MASK Channel Mask. Set to 1 to mask out DMA for selected channel. 1:0 DMA_CH_SEL DMA Channel Select. 00: Channel 4. 10: Channel 6. 01: Channel 5. 11: Channel 7. DMA_CH7:4_CMD Bit Descriptions (Continued) Bit Name Description |
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