| 전자부품 데이터시트 검색엔진 |
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CS5535 데이터시트(PDF) 415 Page - National Semiconductor (TI) |
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CS5535 데이터시트(HTML) 415 Page - National Semiconductor (TI) |
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415 / 555 page ![]() Revision 0.8 415 www.national.com DMA Register Descriptions (Continued) 5.13.2.21 Post Code Display Register (POST_DISPLAY) . 5.13.2.22 DMA Channel [3:0] Low Page (DMA_CH[x]_LO_PAGE) DMA Channel 2 Low Page (DMA_CH2_LO_PAGE) DMA Channel 3 Low Page (DMA_CH3_LO_PAGE) DMA Channel 1 Low Page (DMA_CH1_LO_PAGE) DMA Channel 0 Low Page (DMA_CH0_LO_PAGE) I/O Address 080h Type R/W Reset Value 00h POST_DISPLAY Register Map 76543 210 POST_CODE POST_DISPLAY Bit Descriptions Bit Name Description 7:0 POST_CODE Post Code Display Value. This register is the historical Port 80 that receives the POST (Power-On Self-Test) codes reported during initialization. Typically used by the BIOS, Port 80 may also be written to by any piece of executing software to provide status or other information. The most recent value written to Port 80 is recorded in this register. I/O Address 081h Type R/W Reset Value 00h I/O Address 082h Type R/W Reset Value 00h I/O Address 083h Type R/W Reset Value 00h I/O Address Offset 087h Type R/W Reset Value 00h DMA_CH[x]_LO_PAGE Register Map 76543 210 DMA_CH_LO_PAGE DMA_CH[x]_LO_PAGE Bit Descriptions Bit Name Description 7:0 DMA_CH_LO_PAGE DMA Channel Low Page Value. Address bits [23:16]. |
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