Owners manual

H3
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 16
4.11.4.6. DMA Auto Gating Register (Default Value: 0x00000000)........................................................ 201
4.11.4.7. DMA Status Register (Default Value: 0x00000000) ................................................................. 201
4.11.4.8. DMA Channel Enable Register (Default Value: 0x00000000) .................................................. 202
4.11.4.9. DMA Channel Pause Register (Default Value: 0x00000000) ................................................... 203
4.11.4.10. DMA Channel Descriptor Address Register (Default Value: 0x00000000) ............................ 203
4.11.4.11. DMA Channel Configuration Register (Default Value: 0x00000000) ..................................... 203
4.11.4.12. DMA Channel Current Source Address Register (Default Value: 0x00000000) ..................... 204
4.11.4.13. DMA Channel Current Destination Address Register (Default Value: 0x00000000) ............. 204
4.11.4.14. DMA Channel Byte Counter Left Register (Default Value: 0x00000000) .............................. 204
4.11.4.15. DMA Channel Parameter Register (Default Value: 0x00000000) .......................................... 205
4.11.4.16. DMA Former Descriptor Address Register (Default Value: 0x00000000) .............................. 205
4.11.4.17. DMA Package Number Register (Default Value: 0x00000000).............................................. 205
4.12. GIC ............................................................................................................................................................. 206
4.12.1. Interrupt Source ................................................................................................................................ 206
4.13. Message Box .............................................................................................................................................. 210
4.13.1. Overview ........................................................................................................................................... 210
4.13.2. Functionalities Description ................................................................................................................ 210
4.13.2.1. Typical Applications ................................................................................................................. 211
4.13.2.2. Functional Block Diagram ........................................................................................................ 212
4.13.3. Operation Principle ........................................................................................................................... 212
4.13.3.1. Message Queue Assignment ................................................................................................... 212
4.13.3.2. Interrupt request ..................................................................................................................... 213
4.13.4. Message Box Register List ................................................................................................................. 213
4.13.5. Message Box Register Description .................................................................................................... 214
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