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CS5535 Datasheet(PDF) 403 Page - National Semiconductor (TI) |
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CS5535 Datasheet(HTML) 403 Page - National Semiconductor (TI) |
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403 / 555 page ![]() Revision 0.8 403 www.national.com DMA Register Descriptions (Continued) 5.13.1 DMA Specific MSRs 5.13.1.1 DMA Mapper (DMA_MAP) MSR Address 51400040h Type R/W Reset Value 0000h DMA_MAP Register Map 15 14 13 12 11 10 9876 5432 10 RSVD DMA_CH3_MAP RSVD DMA_CH2_MAP RSVD DMA_CH1_MAP RSVD DMA_CH0_MAP DMA_MAP Bit Descriptions Bit Name Description 15 RSVD Reserved. No effect on DMA Mapper functionality; reads return value written. 14:12 DMA_CH3_MAP DMA Channel 3 Source Select. 000: DMA Channel 3 off. 100: UART2 receive. 001: UART1 transmit. 101: Reserved; not active. 010: UART1 receive. 110: Reserved; not active. 011: UART2 transmit. 111: LPC DMA Channel 3. 11 RSVD Reserved. No effect on DMA Mapper functionality; reads return value written. 10:8 DMA_CH2_MAP DMA Channel 2 Source Select. 000: DMA Channel 2 off. 100: UART2 receive. 001: UART1 transmit. 101: Reserved; not active. 010: UART1 receive. 110: Reserved; not active. 011: UART2 transmit. 111: LPC DMA Channel 2. 7 RSVD Reserved. No effect on DMA Mapper functionality; reads return value written. 6:4 DMA_CH1_MAP DMA Channel 1 Source Select. 000: DMA Channel 1 off. 100: UART2 receive. 001: UART1 transmit. 101: Reserved; not active. 010: UART1 receive. 110: Reserved; not active. 011: UART2 transmit. 111: LPC DMA Channel 1. 3 RSVD Reserved. No effect on DMA Mapper functionality; reads return value written. 2:0 DMA_CH0_MAP DMA Channel 0 Source Select. 000: DMA Channel 0 off. 100: UART2 receive. 001: UART1 transmit. 101: Reserved; not active. 010: UART1 receive. 110: Reserved; not active. 011: UART2 transmit. 111: LPC DMA Channel 0. |
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