Channel Alternate Select Set
| CH0 | Channel 0 Alternate Enable. 1 (ENABLED): Read: 0: DMA Channel 0 is using primary data structure. 1: DMA Channel 0 is using alternate data structure. Write: 0: No effect (use CHALTCLR to clear). 1: Use the alternate data structure for DMA Channel 0. | 
| CH1 | Channel 1 Alternate Enable. 1 (ENABLED): Read: 0: DMA Channel 1 is using primary data structure. 1: DMA Channel 1 is using alternate data structure. Write: 0: No effect (use CHALTCLR to clear). 1: Use the alternate data structure for DMA Channel 1. | 
| CH2 | Channel 2 Alternate Enable. 1 (ENABLED): Read: 0: DMA Channel 2 is using primary data structure. 1: DMA Channel 2 is using alternate data structure. Write: 0: No effect (use CHALTCLR to clear). 1: Use the alternate data structure for DMA Channel 2. | 
| CH3 | Channel 3 Alternate Enable. 1 (ENABLED): Read: 0: DMA Channel 3 is using primary data structure. 1: DMA Channel 3 is using alternate data structure. Write: 0: No effect (use CHALTCLR to clear). 1: Use the alternate data structure for DMA Channel 3. | 
| CH4 | Channel 4 Alternate Enable. 1 (ENABLED): Read: 0: DMA Channel 4 is using primary data structure. 1: DMA Channel 4 is using alternate data structure. Write: 0: No effect (use CHALTCLR to clear). 1: Use the alternate data structure for DMA Channel 4. | 
| CH5 | Channel 5 Alternate Enable. 1 (ENABLED): Read: 0: DMA Channel 5 is using primary data structure. 1: DMA Channel 5 is using alternate data structure. Write: 0: No effect (use CHALTCLR to clear). 1: Use the alternate data structure for DMA Channel 5. | 
| CH6 | Channel 6 Alternate Enable. 1 (ENABLED): Read: 0: DMA Channel 6 is using primary data structure. 1: DMA Channel 6 is using alternate data structure. Write: 0: No effect (use CHALTCLR to clear). 1: Use the alternate data structure for DMA Channel 6. | 
| CH7 | Channel 7 Alternate Enable. 1 (ENABLED): Read: 0: DMA Channel 7 is using primary data structure. 1: DMA Channel 7 is using alternate data structure. Write: 0: No effect (use CHALTCLR to clear). 1: Use the alternate data structure for DMA Channel 7. | 
| CH8 | Channel 8 Alternate Enable. 1 (ENABLED): Read: 0: DMA Channel 8 is using primary data structure. 1: DMA Channel 8 is using alternate data structure. Write: 0: No effect (use CHALTCLR to clear). 1: Use the alternate data structure for DMA Channel 8. | 
| CH9 | Channel 9 Alternate Enable. 1 (ENABLED): Read: 0: DMA Channel 9 is using primary data structure. 1: DMA Channel 9 is using alternate data structure. Write: 0: No effect (use CHALTCLR to clear). 1: Use the alternate data structure for DMA Channel 9. |