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====S3 hardware====
- samples: https://item.taobao.com/item.htm?id=578537254553
- Sochip S3 datasheet: https://sns.widora.io/assets/uploads/files/1534291610432-s3_datasheet_v1.0.pdf
- media-codec: https://github.com/allwinner-zh/media-codec
- SOCHIP S3 SCH: https://debugdump.com/files/members/3/S3_EVB_Schematic.pdf
- SOCHIP S3 SMT: https://debugdump.com/files/members/3/S3_EVB_SMT.pdf
- S3 config manual:https://debugdump.com/files/members/713/S3_System_Configuration_Manual.pdf
- S3 SC1615S_dev_spec: https://debugdump.com/files/members/713/SC1615S_Development_board_specifications_20171031.pdf
- S3 sch, pcb: https://debugdump.com/files/members/3/S3_Hardware.7z
- DXP-sch+PCB: https://debugdump.com/files/members/3/S3_PCB_Project.7z