Apollo3蓝版MCU数据手册

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"Apollo3BlueMCUDatasheet.pdf" Apollo3是一款由Ambiq Micro公司推出的超低功耗微控制器，属于Apollo MCU系列。该芯片的主要特点是其优化的能源效率和广泛的特性集，尤其适用于需要长时间电池寿命的应用，如穿戴设备、物联网(IoT)设备和健康监测设备等。 Apollo3 Blue在设计上包含了BTLE5控制器，支持蓝牙低功耗(BLE)技术，这使得它非常适合无线通信应用。其内建的BTLERadio确保了高效稳定的无线连接性能。在安全性方面，Apollo3 Blue提供了电压监控功能，增强了系统在异常电源条件下的稳定性。该MCU具备多个I2C/SPI主控接口（最多6个），以及一个I2C/SPI从属接口，能够方便地与其他外设进行通信。此外，Apollo3 Blue还拥有50个通道的GPIO，可用于控制各种外部设备。内存方面，它搭载了1MB的闪存和384KB的RAM，提供充足的存储空间来运行应用程序和存储数据。 Apollo3 Blue还包括多个DMA通道，提高数据传输效率，减少CPU的负载。它还配备了一个Cortex-M4处理器，带有浮点单元(FPU)，最高可运行在96MHz，提供了强大的计算能力。MCU内部集成了多种定时器（包括SysTimer/RTC）、PWM发生器（x8）、以及低频率和高频率振荡器，为不同应用场景提供了灵活的时序控制。在传感器接口方面，Apollo3 Blue支持14位、1.2MS/s的15通道ADC，适合对接各种传感器，如温度、压力或运动传感器。它还包含了I2S从设备接口和PDM主设备接口（立体声），用于音频处理。电源管理方面，Apollo3 Blue有电源监控、Brown-Out检测器、供应电压监测和Power-On Reset功能，以确保系统的稳定运行。除此之外，Apollo3 Blue还配备了唤醒中断控制器、电源管理单元和复位控制器，这些都对优化能效和系统响应时间至关重要。16KB的Flash Cache则提高了代码执行速度。所有这些特性结合在一起，使得Apollo3 Blue成为一款高度集成、低功耗且功能强大的微控制器，适用于对能效有严格要求的嵌入式应用。

Apollo3 Blue MCU Datasheet

Ultra-Low Power Apollo MCU Family

DS-A3-0p14p0 Page 16 of 940 2020 Ambiq Micro, Inc.

Table 45: STIM6 Register .....................................................................................................107

Table 46: STIM6 Register Bits..............................................................................................107

Table 47: STIM7 Register .....................................................................................................107

Table 48: STIM7 Register Bits..............................................................................................107

Table 49: STIM8 Register .....................................................................................................108

Table 50: STIM8 Register Bits..............................................................................................108

Table 51: STIM9 Register .....................................................................................................108

Table 52: STIM9 Register Bits..............................................................................................108

Table 53: STIM10 Register ...................................................................................................109

Table 54: STIM10 Register Bits............................................................................................109

Table 55: STIM11 Register ...................................................................................................109

Table 56: STIM11 Register Bits............................................................................................109

Table 57: STIM12 Register ...................................................................................................110

Table 58: STIM12 Register Bits............................................................................................110

Table 59: STIM13 Register ...................................................................................................110

Table 60: STIM13 Register Bits............................................................................................110

Table 61: STIM14 Register ...................................................................................................111

Table 62: STIM14 Register Bits............................................................................................111

Table 63: STIM15 Register ...................................................................................................111

Table 64: STIM15 Register Bits............................................................................................111

Table 65: STIM16 Register ...................................................................................................112

Table 66: STIM16 Register Bits............................................................................................112

Table 67: STIM17 Register ...................................................................................................112

Table 68: STIM17 Register Bits............................................................................................112

Table 69: STIM18 Register ...................................................................................................113

Table 70: STIM18 Register Bits............................................................................................113

Table 71: STIM19 Register ...................................................................................................113

Table 72: STIM19 Register Bits............................................................................................113

Table 73: STIM20 Register ...................................................................................................114

Table 74: STIM20 Register Bits............................................................................................114

Table 75: STIM21 Register ...................................................................................................114

Table 76: STIM21 Register Bits............................................................................................114

Table 77: STIM22 Register ...................................................................................................115

Table 78: STIM22 Register Bits............................................................................................115

Table 79: STIM23 Register ...................................................................................................115

Table 80: STIM23 Register Bits............................................................................................115

Table 81: STIM24 Register ...................................................................................................116

Table 82: STIM24 Register Bits............................................................................................116

Table 83: STIM25 Register ...................................................................................................116

Table 84: STIM25 Register Bits............................................................................................116

Table 85: STIM26 Register ...................................................................................................117

Table 86: STIM26 Register Bits............................................................................................117

Table 87: STIM27 Register ...................................................................................................117

Table 88: STIM27 Register Bits............................................................................................117

Table 89: STIM28 Register ...................................................................................................118

Table 90: STIM28 Register Bits............................................................................................118

Apollo3 Blue MCU Datasheet

Ultra-Low Power Apollo MCU Family

DS-A3-0p14p0 Page 17 of 940 2020 Ambiq Micro, Inc.

Table 91: STIM29 Register ...................................................................................................118

Table 92: STIM29 Register Bits............................................................................................118

Table 93: STIM30 Register ...................................................................................................119

Table 94: STIM30 Register Bits............................................................................................119

Table 95: STIM31 Register ...................................................................................................119

Table 96: STIM31 Register Bits............................................................................................119

Table 97: TER Register .........................................................................................................120

Table 98: TER Register Bits..................................................................................................120

Table 99: TPR Register..........................................................................................................120

Table 100: TPR Register Bits ................................................................................................120

Table 101: TCR Register .......................................................................................................121

Table 102: TCR Register Bits................................................................................................121

Table 103: LOCKAREG Register .........................................................................................122

Table 104: LOCKAREG Register Bits..................................................................................122

Table 105: LOCKSREG Register..........................................................................................122

Table 106: LOCKSREG Register Bits ..................................................................................122

Table 107: PID4 Register ......................................................................................................123

Table 108: PID4 Register Bits ...............................................................................................123

Table 109: PID5 Register ......................................................................................................123

Table 110: PID5 Register Bits ...............................................................................................124

Table 111: PID6 Register ......................................................................................................124

Table 112: PID6 Register Bits ...............................................................................................124

Table 113: PID7 Register ......................................................................................................124

Table 114: PID7 Register Bits ...............................................................................................125

Table 115: PID0 Register ......................................................................................................125

Table 116: PID0 Register Bits ...............................................................................................125

Table 117: PID1 Register ......................................................................................................125

Table 118: PID1 Register Bits ...............................................................................................126

Table 119: PID2 Register ......................................................................................................126

Table 120: PID2 Register Bits ...............................................................................................126

Table 121: PID3 Register ......................................................................................................126

Table 122: PID3 Register Bits ...............................................................................................127

Table 123: CID0 Register ......................................................................................................127

Table 124: CID0 Register Bits...............................................................................................127

Table 125: CID1 Register ......................................................................................................127

Table 126: CID1 Register Bits...............................................................................................128

Table 127: CID2 Register ......................................................................................................128

Table 128: CID2 Register Bits...............................................................................................128

Table 129: CID3 Register ......................................................................................................128

Table 130: CID3 Register Bits...............................................................................................129

Table 131: MCUCTRL Register Map ...................................................................................131

Table 132: CHIPPN Register.................................................................................................133

Table 133: CHIPPN Register Bits .........................................................................................133

Table 134: CHIPID0 Register................................................................................................134

Table 135: CHIPID0 Register Bits ........................................................................................134

Table 136: CHIPID1 Register................................................................................................134

Apollo3 Blue MCU Datasheet

Ultra-Low Power Apollo MCU Family

DS-A3-0p14p0 Page 18 of 940 2020 Ambiq Micro, Inc.

Table 137: CHIPID1 Register Bits ........................................................................................134

Table 138: CHIPREV Register..............................................................................................135

Table 139: CHIPREV Register Bits ......................................................................................135

Table 140: VENDORID Register ..........................................................................................135

Table 141: VENDORID Register Bits...................................................................................135

Table 142: SKU Register.......................................................................................................136

Table 143: SKU Register Bits ...............................................................................................136

Table 144: FEATUREENABLE Register .............................................................................136

Table 145: FEATUREENABLE Register Bits......................................................................137

Table 146: DEBUGGER Register .........................................................................................137

Table 147: DEBUGGER Register Bits..................................................................................138

Table 148: ADCPWRDLY Register......................................................................................138

Table 149: ADCPWRDLY Register Bits ..............................................................................138

Table 150: ADCCAL Register ..............................................................................................139

Table 151: ADCCAL Register Bits .......................................................................................139

Table 152: ADCBATTLOAD Register.................................................................................139

Table 153: ADCBATTLOAD Register Bits .........................................................................140

Table 154: ADCTRIM Register ............................................................................................140

Table 155: ADCTRIM Register Bits .....................................................................................140

Table 156: ADCREFCOMP Register....................................................................................141

Table 157: ADCREFCOMP Register Bits ............................................................................141

Table 158: XTALCTRL Register ..........................................................................................142

Table 159: XTALCTRL Register Bits...................................................................................142

Table 160: XTALGENCTRL Register..................................................................................143

Table 161: XTALGENCTRL Register Bits ..........................................................................143

Table 162: MISCCTRL Register...........................................................................................144

Table 163: MISCCTRL Register Bits ...................................................................................144

Table 164: BOOTLOADER Register....................................................................................144

Table 165: BOOTLOADER Register Bits ............................................................................145

Table 166: SHADOWVALID Register.................................................................................146

Table 167: SHADOWVALID Register Bits .........................................................................146

Table 168: SCRATCH0 Register ..........................................................................................146

Table 169: SCRATCH0 Register Bits ...................................................................................147

Table 170: SCRATCH1 Register ..........................................................................................147

Table 171: SCRATCH1 Register Bits ...................................................................................147

Table 172: ICODEFAULTADDR Register ..........................................................................147

Table 173: ICODEFAULTADDR Register Bits ...................................................................148

Table 174: DCODEFAULTADDR Register.........................................................................148

Table 175: DCODEFAULTADDR Register Bits .................................................................148

Table 176: SYSFAULTADDR Register ...............................................................................148

Table 177: SYSFAULTADDR Register Bits........................................................................149

Table 178: FAULTSTATUS Register...................................................................................149

Table 179: FAULTSTATUS Register Bits ...........................................................................149

Table 180: FAULTCAPTUREEN Register ..........................................................................150

Table 181: FAULTCAPTUREEN Register Bits ...................................................................150

Table 182: DBGR1 Register..................................................................................................151

Apollo3 Blue MCU Datasheet

Ultra-Low Power Apollo MCU Family

DS-A3-0p14p0 Page 19 of 940 2020 Ambiq Micro, Inc.

Table 183: DBGR1 Register Bits ..........................................................................................151

Table 184: DBGR2 Register..................................................................................................151

Table 185: DBGR2 Register Bits ..........................................................................................151

Table 186: PMUENABLE Register ......................................................................................152

Table 187: PMUENABLE Register Bits ...............................................................................152

Table 188: TPIUCTRL Register............................................................................................152

Table 189: TPIUCTRL Register Bits ....................................................................................152

Table 190: OTAPOINTER Register......................................................................................153

Table 191: OTAPOINTER Register Bits ..............................................................................153

Table 192: SRAMMODE Register........................................................................................154

Table 193: SRAMMODE Register Bits ................................................................................154

Table 194: KEXTCLKSEL Register .....................................................................................155

Table 195: KEXTCLKSEL Register Bits..............................................................................155

Table 196: SIMOBUCK3 Register........................................................................................155

Table 197: SIMOBUCK3 Register Bits ................................................................................156

Table 198: SIMOBUCK4 Register........................................................................................156

Table 199: SIMOBUCK4 Register Bits ................................................................................157

Table 200: BLEBUCK2 Register ..........................................................................................158

Table 201: BLEBUCK2 Register Bits...................................................................................158

Table 202: FLASHWPROT0 Register ..................................................................................159

Table 203: FLASHWPROT0 Register Bits...........................................................................159

Table 204: FLASHWPROT1 Register ..................................................................................159

Table 205: FLASHWPROT1 Register Bits...........................................................................159

Table 206: FLASHRPROT0 Register ...................................................................................160

Table 207: FLASHRPROT0 Register Bits............................................................................160

Table 208: FLASHRPROT1 Register ...................................................................................160

Table 209: FLASHRPROT1 Register Bits............................................................................160

Table 210: DMASRAMWRITEPROTECT0 Register..........................................................161

Table 211: DMASRAMWRITEPROTECT0 Register Bits ..................................................161

Table 212: DMASRAMWRITEPROTECT1 Register..........................................................161

Table 213: DMASRAMWRITEPROTECT1 Register Bits ..................................................161

Table 214: DMASRAMREADPROTECT0 Register............................................................162

Table 215: DMASRAMREADPROTECT0 Register Bits ....................................................162

Table 216: DMASRAMREADPROTECT1 Register............................................................162

Table 217: DMASRAMREADPROTECT1 Register Bits ....................................................162

Table 218: CACHECTRL Register Map...............................................................................167

Table 219: CACHECFG Register..........................................................................................168

Table 220: CACHECFG Register Bits ..................................................................................168

Table 221: FLASHCFG Register ..........................................................................................169

Table 222: FLASHCFG Register Bits ...................................................................................169

Table 223: CTRL Register.....................................................................................................170

Table 224: CTRL Register Bits .............................................................................................170

Table 225: NCR0START Register ........................................................................................171

Table 226: NCR0START Register Bits.................................................................................172

Table 227: NCR0END Register ............................................................................................172

Table 228: NCR0END Register Bits .....................................................................................172

Apollo3 Blue MCU Datasheet

Ultra-Low Power Apollo MCU Family

DS-A3-0p14p0 Page 20 of 940 2020 Ambiq Micro, Inc.

Table 229: NCR1START Register ........................................................................................173

Table 230: NCR1START Register Bits.................................................................................173

Table 231: NCR1END Register ............................................................................................173

Table 232: NCR1END Register Bits .....................................................................................173

Table 233: DMON0 Register.................................................................................................174

Table 234: DMON0 Register Bits .........................................................................................174

Table 235: DMON1 Register.................................................................................................174

Table 236: DMON1 Register Bits .........................................................................................174

Table 237: DMON2 Register.................................................................................................175

Table 238: DMON2 Register Bits .........................................................................................175

Table 239: DMON3 Register.................................................................................................175

Table 240: DMON3 Register Bits .........................................................................................175

Table 241: IMON0 Register ..................................................................................................176

Table 242: IMON0 Register Bits...........................................................................................176

Table 243: IMON1 Register ..................................................................................................176

Table 244: IMON1 Register Bits...........................................................................................176

Table 245: IMON2 Register ..................................................................................................177

Table 246: IMON2 Register Bits...........................................................................................177

Table 247: IMON3 Register ..................................................................................................177

Table 248: IMON3 Register Bits...........................................................................................177

Table 249: BLEIF Register Map ...........................................................................................191

Table 250: FIFO Register ......................................................................................................193

Table 251: FIFO Register Bits...............................................................................................193

Table 252: FIFOPTR Register...............................................................................................193

Table 253: FIFOPTR Register Bits .......................................................................................194

Table 254: FIFOTHR Register ..............................................................................................194

Table 255: FIFOTHR Register Bits.......................................................................................194

Table 256: FIFOPOP Register...............................................................................................195

Table 257: FIFOPOP Register Bits .......................................................................................195

Table 258: FIFOPUSH Register ............................................................................................195

Table 259: FIFOPUSH Register Bits.....................................................................................196

Table 260: FIFOCTRL Register ............................................................................................196

Table 261: FIFOCTRL Register Bits.....................................................................................196

Table 262: FIFOLOC Register ..............................................................................................197

Table 263: FIFOLOC Register Bits.......................................................................................197

Table 264: CLKCFG Register ...............................................................................................197

Table 265: CLKCFG Register Bits........................................................................................198

Table 266: CMD Register......................................................................................................198

Table 267: CMD Register Bits ..............................................................................................199

Table 268: CMDRPT Register ..............................................................................................199

Table 269: CMDRPT Register Bits .......................................................................................200

Table 270: OFFSETHI Register ............................................................................................200

Table 271: OFFSETHI Register Bits.....................................................................................200

Table 272: CMDSTAT Register............................................................................................201

Table 273: CMDSTAT Register Bits ....................................................................................201

Table 274: INTEN Register...................................................................................................201

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