040000 tree 6cbd7872a612c3b25283b91afa9a3eb9102dbb70	Core16550
040000 tree 02b9a203205eed16a5f5da16110cb4b4852bc088	CoreGPIO
040000 tree 466eec3c295ba67e727d750c3baeef009cbc4bc2	CoreI2C
040000 tree 466d87f0d752f388f5217298c7678eb37c1b0dd1	CoreTimer
040000 tree 9d09c8468a34ce10cfdfa5857d1e01a04326d73d	CoreUARTapb