H3
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 17
4.13.5.1. MSGBox Control Register 0(Default Value: 0x10101010) ....................................................... 214
4.13.5.2. MSGBox Control Register 1(Default Value: 0x10101010) ....................................................... 215
4.13.5.3. MSGBox IRQ Enable Register (Default Value: 0x00000000) .................................................... 216
4.13.5.4. MSGBox IRQ Status Register u(Default Value: 0x0000AAAA) .................................................. 217
4.13.5.5. MSGBox FIFO Status Register m(Default Value: 0x00000000) ................................................ 219
4.13.5.6. MSGBox Message Status Register m(Default Value: 0x00000000) ......................................... 219
4.13.5.7. MSGBox Message Queue Register (Default Value: 0x00000000) ........................................... 219
4.14. Spinlock ..................................................................................................................................................... 221
4.14.1. Overview ........................................................................................................................................... 221
4.14.2. Functionalities Description ................................................................................................................ 222
4.14.2.1. Typical Applications ................................................................................................................. 222
4.14.2.2. Functional Block Diagram ........................................................................................................ 222
4.14.3. Operation Principle ........................................................................................................................... 223
4.14.3.1. Spinlock clock gating and software reset ................................................................................ 223
4.14.3.2. Take and free a spinlock .......................................................................................................... 223
4.14.4. Spinlock Register List ......................................................................................................................... 223
4.14.5. Spinlock Register Description ............................................................................................................ 223
4.14.5.1. Spinlock System Status Register (Default Value: 0x10000000) ............................................... 223
4.14.5.2. Spinlock Register Status (Default Value: 0x00000000) ............................................................ 224
4.14.5.3. Spinlock Register N (N=0 to 31)(Default Value: 0x00000000) ................................................. 224
4.14.6. Programming Guidelines ................................................................................................................... 225
4.15. Crypto Engine ............................................................................................................................................ 226
4.15.1. Overview ........................................................................................................................................... 226
4.15.2. Functionalities Description ................................................................................................................ 226