Owners manual
H3
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 13
4.7.5.2. TWD Control Register (Default Value: 0x00000000) ................................................................. 167
4.7.5.3. TWD Restart Register (Default Value: 0x00000000) .................................................................. 168
4.7.5.4. TWD Low Counter Register (Default Value: 0x00000000) ......................................................... 168
4.7.5.5. TWD High Counter Register (Default Value: 0x00000000) ........................................................ 168
4.7.5.6. TWD Interval Value Register (Default Value: 0x00000000) ....................................................... 168
4.7.5.7. TWD Low Counter Compare Register (Default Value: 0x00000000) ......................................... 168
4.7.5.8. TWD High Counter Compare Register (Default Value: 0x00000000) ........................................ 169
4.7.5.9. Secure Storage NV-Counter Register (Default Value: 0x00000000) .......................................... 169
4.7.5.10. Synchronize Data Counter Register 0 (Default Value: 0x00000000) ....................................... 169
4.7.5.11. Synchronize Data Counter Register 1 (Default Value: 0x00000000) ....................................... 169
4.7.5.12. Synchronize Data Counter Register 2 (Default Value: 0x00000000) ....................................... 169
4.7.5.13. Synchronize Data Counter Register 3 (Default Value: 0x00000000) ....................................... 170
4.8. RTC ............................................................................................................................................................ 171
4.8.1. Overview ........................................................................................................................................... 171
4.8.2. RTC Register List ................................................................................................................................ 171
4.8.3. RTC Register Description ................................................................................................................... 172
4.8.3.1. LOSC Control Register (Default Value: 0x00004000) ................................................................. 172
4.8.3.2. LOSC Auto Switch Status Register (Default Value: 0x00000000) ............................................... 173
4.8.3.3. Internal OSC Clock Prescalar Register (Default Value: 0x0000000F) ......................................... 173
4.8.3.4. RTC YY-MM-DD Register (Default Value: 0x00000000) ............................................................. 173
4.8.3.5. RTC HH-MM-SS Register (Default Value: 0x00000000) ............................................................. 174
4.8.3.6. Alarm 0 Counter Register (Default Value: 0x00000000) ........................................................... 175
4.8.3.7. Alarm 0 Current Value Register ................................................................................................. 175
4.8.3.8. Alarm 0 Enable Register (Default Value: 0x00000000) ............................................................. 175
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