CH9=RESERVED, CH5=RESERVED, CH2=RESERVED, CH8=RESERVED, CH7=RESERVED, CH4=RESERVED, CH6=RESERVED, CH1=RESERVED, CH3=RESERVED, CH0=RESERVED
Channel Alternate Select Clear
| CH0 | Channel 0 Alternate Disable. 0 (RESERVED): No effect. 1 (DISABLED): Use the primary data structure for DMA Channel 0. |
| CH1 | Channel 1 Alternate Disable. 0 (RESERVED): No effect. 1 (DISABLED): Use the primary data structure for DMA Channel 1. |
| CH2 | Channel 2 Alternate Disable. 0 (RESERVED): No effect. 1 (DISABLED): Use the primary data structure for DMA Channel 2. |
| CH3 | Channel 3 Alternate Disable. 0 (RESERVED): No effect. 1 (DISABLED): Use the primary data structure for DMA Channel 3. |
| CH4 | Channel 4 Alternate Disable. 0 (RESERVED): No effect. 1 (DISABLED): Use the primary data structure for DMA Channel 4. |
| CH5 | Channel 5 Alternate Disable. 0 (RESERVED): No effect. 1 (DISABLED): Use the primary data structure for DMA Channel 5. |
| CH6 | Channel 6 Alternate Disable. 0 (RESERVED): No effect. 1 (DISABLED): Use the primary data structure for DMA Channel 6. |
| CH7 | Channel 7 Alternate Disable. 0 (RESERVED): No effect. 1 (DISABLED): Use the primary data structure for DMA Channel 7. |
| CH8 | Channel 8 Alternate Disable. 0 (RESERVED): No effect. 1 (DISABLED): Use the primary data structure for DMA Channel 8. |
| CH9 | Channel 9 Alternate Disable. 0 (RESERVED): No effect. 1 (DISABLED): Use the primary data structure for DMA Channel 9. |