预生产
WM8311
12.6软件暂存寄存器.............................................. .................. 48
13
时钟和振荡器控制.............................................. 49
13.1概述............................................... ................................ 49
13.2晶振............................................... .................................. 51
13.3锁频环（FLL） ........................................... .................... 52
13.3.1
FLL自动模式................................................................................................................ 56
14
INSTANTCONFIG （ ICE）和OTP存储器控制...................... 57
14.1概述............................................... ................................ 57
14.2 ICE和OTP存储器定义............................................ ................ 57
14.3自举（START -UP ）功能.......................................... ................. 58
14.3.1
启动时从OTP存储器............................................ .......................................... 58
14.3.2
START- UP冰MEMORY （开发模式） ........................................ ...... 59
14.3.3
START- UP FROM DCRW寄存器设置........................................... .................. 59
14.3.4
外部ICE内存连接.............................................. ........................... 59
14.4 OTP / ICE存储器控制............................................ .......................... 60
14.4.1
进入/退出编程状态............................................ ..................... 61
14.4.2
OTP / ICE读命令............................................. ................................................. 61
14.4.3
OTP写命令..................................................................................................... 61
14.4.4
OTP校验命令............................................... .................................................. ... 62
14.4.5
OTP敲定命令............................................... .................................................. 63
14.4.6
OTP控制寄存器............................................... ................................................. 63
14.5 OTP / ICE中断............................................. .................................... 64
14.6 DCRW存储器内容.............................................. ........................... 65
14.6.1
DCRW PAGE 0 .................................................................................................................... 65
14.6.2
DCRW第1页.................................................................................................................... 65
14.6.3
DCRW第2页.................................................................................................................... 66
14.6.4
DCRW第3页.................................................................................................................... 67
14.6.5
DCRW第4页.................................................................................................................... 69
15
电源管理................................................ ............................ 70
15.1概述............................................... ................................ 70
15.2 DC-DC转换器和LDO稳压器控制............................ 70
15.3时隙控制和硬件使能（ GPIO ）控制......... 71
15.4工作模式控制.............................................. ........................ 72
15.4.1
DC- DC同步降压转换器............................................ .................... 72
15.4.2
DC- DC升压转换器............................................. ............................................. 72
15.4.3
LDO稳压器............................................................................................................ 72
15.5输出电压控制.............................................. ........................ 73
15.5.1
DC- DC同步降压转换器............................................ .................... 73
15.5.2
DC- DC升压转换器............................................. ............................................. 73
15.5.3
LDO稳压器1-5和LDO7 ........................................... ........................................ 73
15.5.4
LDO稳压器11 .......................................................................................................... 73
15.6 DC-DC同步降压转换器控制............................ 74
15.7 DC- DC升压转换器控制........................................... ............ 75
15.8 LDO稳压器控制.............................................. .......................... 75
15.9硬件控制（ GPIO ） ............................................ .......................... 75
15.10故障保护............................................... ....................................... 76
15.11监测与故障报告............................................. .......... 77
15.12电源管理寄存器定义...................................... 77
15.12.1
DC-DC转换器和LDO稳压器使能.......................................... ......... 77
15.12.2
DC-DC同步降压转换器控制........................................... ..... 78
15.12.3
DC- DC升压转换器控制............................................ .............................. 83
15.12.4
LDO稳压器控制............................................... ............................................. 84
15.12.5
外部电源使能（ EPE ）控制........................................... ..................... 91
15.12.6
监测和故障报告.............................................. ............................. 92
w
PP ， 2012年5月，版本3.1
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