Apollo3蓝光Plus MCU数据手册：超低功耗解决方案

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"Apollo3BluePlusMCUDatasheet.pdf - Apollo3 Blue Plus MCU的手册，包含了阿波罗3系列超低功耗微控制器的详细技术规格和功能介绍" Apollo3 Blue Plus是Ambiq Micro公司推出的一款超低功耗微控制器（MCU），其设计主要面向需要高效能与低能耗的应用场景。这款MCU属于Apollo3系列，专为蓝牙低功耗(BTLE)通信优化，并在安全、电源管理以及外围设备支持方面有着出色的表现。 1. **BTLE5控制器**: 内置的BTLE5控制器支持最新的蓝牙5.0标准，提供更远的传输距离和更高的数据传输速率，适用于物联网(IoT)设备和无线连接应用。 2. **无线射频(Radio)**: Apollo3 Blue Plus包含一个集成的BTLERadio，确保了无线通信的稳定性和效率。 3. **安全性**: 设计有安全特性，如电压监控，帮助保护系统免受电源波动的影响，同时可能还支持加密和安全启动等功能，增强了设备的安全性。 4. **GPIO接口**: 提供50通道的通用输入/输出，以及额外的70通道GPIO，能够灵活地连接各种外部设备。 5. **存储器**: 内置2MB闪存和768KB的RAM，满足大型应用程序和数据存储需求。 6. **DMA(直接内存访问)**: 支持多个DMA，可以提高数据传输速度，减轻CPU的负担。 7. **串行通信**: 支持多达6个I2C/SPI主设备和1个I2C/SPI从设备，以及2个UART，便于与其他设备进行通信。 8. **电源管理**: 包含电源监控、brown-out检测器、电源-on重置等，确保系统在不同电源条件下的稳定运行。 9. **Cortex-M4处理器**: 内置带浮点单元(FPU)的Cortex-M4 MCU，最高可运行在96MHz，提供强大的计算能力。 10. **时钟系统**: 提供LFRC(低频RC振荡器)、HFRC(高频RC振荡器)以及晶体振荡器，以适应不同精度和功耗要求的时钟源。 11. **SPI接口**: 双/四路SPI接口，可连接更多的SPI设备。 12. **ADC(模数转换器)**: 集成了15通道、14位、1.2MS/s的ADC，用于采集模拟信号，适合传感器应用。 13. **传感器外围设备**: 包括低泄漏比较器、温度传感器以及复杂模式发生器，可实现对环境和设备状态的精确监测。 14. **编程控制器**: 提供可编程控制器，允许用户根据需求自定义硬件行为。 Apollo3 Blue Plus MCU以其低功耗、高性能和丰富的外围接口，为各种IoT、穿戴设备、健康监测等应用提供了理想的解决方案。这款微控制器的设计充分考虑了实际应用的需求，旨在在有限的功率预算下提供最优的性能。

Apollo3 Blue Plus MCU Datasheet

Ultra-Low Power Apollo MCU Family

DS-A3P-0p7p0 Page 16 of 1025 2021 Ambiq Micro, Inc.

Table 45: STIM6 Register .....................................................................................................114

Table 46: STIM6 Register Bits..............................................................................................114

Table 47: STIM7 Register .....................................................................................................114

Table 48: STIM7 Register Bits..............................................................................................114

Table 49: STIM8 Register .....................................................................................................115

Table 50: STIM8 Register Bits..............................................................................................115

Table 51: STIM9 Register .....................................................................................................115

Table 52: STIM9 Register Bits..............................................................................................115

Table 53: STIM10 Register ...................................................................................................116

Table 54: STIM10 Register Bits............................................................................................116

Table 55: STIM11 Register ...................................................................................................116

Table 56: STIM11 Register Bits............................................................................................116

Table 57: STIM12 Register ...................................................................................................117

Table 58: STIM12 Register Bits............................................................................................117

Table 59: STIM13 Register ...................................................................................................117

Table 60: STIM13 Register Bits............................................................................................117

Table 61: STIM14 Register ...................................................................................................118

Table 62: STIM14 Register Bits............................................................................................118

Table 63: STIM15 Register ...................................................................................................118

Table 64: STIM15 Register Bits............................................................................................118

Table 65: STIM16 Register ...................................................................................................119

Table 66: STIM16 Register Bits............................................................................................119

Table 67: STIM17 Register ...................................................................................................119

Table 68: STIM17 Register Bits............................................................................................119

Table 69: STIM18 Register ...................................................................................................120

Table 70: STIM18 Register Bits............................................................................................120

Table 71: STIM19 Register ...................................................................................................120

Table 72: STIM19 Register Bits............................................................................................120

Table 73: STIM20 Register ...................................................................................................121

Table 74: STIM20 Register Bits............................................................................................121

Table 75: STIM21 Register ...................................................................................................121

Table 76: STIM21 Register Bits............................................................................................121

Table 77: STIM22 Register ...................................................................................................122

Table 78: STIM22 Register Bits............................................................................................122

Table 79: STIM23 Register ...................................................................................................122

Table 80: STIM23 Register Bits............................................................................................122

Table 81: STIM24 Register ...................................................................................................123

Table 82: STIM24 Register Bits............................................................................................123

Table 83: STIM25 Register ...................................................................................................123

Table 84: STIM25 Register Bits............................................................................................123

Table 85: STIM26 Register ...................................................................................................124

Table 86: STIM26 Register Bits............................................................................................124

Table 87: STIM27 Register ...................................................................................................124

Table 88: STIM27 Register Bits............................................................................................124

Table 89: STIM28 Register ...................................................................................................125

Table 90: STIM28 Register Bits............................................................................................125

Apollo3 Blue Plus MCU Datasheet

Ultra-Low Power Apollo MCU Family

DS-A3P-0p7p0 Page 17 of 1025 2021 Ambiq Micro, Inc.

Table 91: STIM29 Register ...................................................................................................125

Table 92: STIM29 Register Bits............................................................................................125

Table 93: STIM30 Register ...................................................................................................126

Table 94: STIM30 Register Bits............................................................................................126

Table 95: STIM31 Register ...................................................................................................126

Table 96: STIM31 Register Bits............................................................................................126

Table 97: TER Register .........................................................................................................127

Table 98: TER Register Bits..................................................................................................127

Table 99: TPR Register..........................................................................................................127

Table 100: TPR Register Bits ................................................................................................127

Table 101: TCR Register .......................................................................................................128

Table 102: TCR Register Bits................................................................................................128

Table 103: LOCKAREG Register .........................................................................................129

Table 104: LOCKAREG Register Bits..................................................................................129

Table 105: LOCKSREG Register..........................................................................................129

Table 106: LOCKSREG Register Bits ..................................................................................129

Table 107: PID4 Register ......................................................................................................130

Table 108: PID4 Register Bits ...............................................................................................130

Table 109: PID5 Register ......................................................................................................130

Table 110: PID5 Register Bits ...............................................................................................131

Table 111: PID6 Register ......................................................................................................131

Table 112: PID6 Register Bits ...............................................................................................131

Table 113: PID7 Register ......................................................................................................131

Table 114: PID7 Register Bits ...............................................................................................132

Table 115: PID0 Register ......................................................................................................132

Table 116: PID0 Register Bits ...............................................................................................132

Table 117: PID1 Register ......................................................................................................132

Table 118: PID1 Register Bits ...............................................................................................133

Table 119: PID2 Register ......................................................................................................133

Table 120: PID2 Register Bits ...............................................................................................133

Table 121: PID3 Register ......................................................................................................133

Table 122: PID3 Register Bits ...............................................................................................134

Table 123: CID0 Register ......................................................................................................134

Table 124: CID0 Register Bits...............................................................................................134

Table 125: CID1 Register ......................................................................................................134

Table 126: CID1 Register Bits...............................................................................................135

Table 127: CID2 Register ......................................................................................................135

Table 128: CID2 Register Bits...............................................................................................135

Table 129: CID3 Register ......................................................................................................135

Table 130: CID3 Register Bits...............................................................................................136

Table 131: MCUCTRL Register Map ...................................................................................138

Table 132: CHIPPN Register.................................................................................................140

Table 133: CHIPPN Register Bits .........................................................................................140

Table 134: CHIPID0 Register................................................................................................141

Table 135: CHIPID0 Register Bits ........................................................................................141

Table 136: CHIPID1 Register................................................................................................141

Apollo3 Blue Plus MCU Datasheet

Ultra-Low Power Apollo MCU Family

DS-A3P-0p7p0 Page 18 of 1025 2021 Ambiq Micro, Inc.

Table 137: CHIPID1 Register Bits ........................................................................................141

Table 138: CHIPREV Register..............................................................................................142

Table 139: CHIPREV Register Bits ......................................................................................142

Table 140: VENDORID Register ..........................................................................................142

Table 141: VENDORID Register Bits...................................................................................142

Table 142: SKU Register.......................................................................................................143

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

Table 144: FEATUREENABLE Register .............................................................................143

Table 145: FEATUREENABLE Register Bits......................................................................144

Table 146: DEBUGGER Register .........................................................................................144

Table 147: DEBUGGER Register Bits..................................................................................145

Table 148: DMASRAMWRITEPROTECT2 Register..........................................................145

Table 149: DMASRAMWRITEPROTECT2 Register Bits ..................................................145

Table 150: ADCPWRDLY Register......................................................................................145

Table 151: ADCPWRDLY Register Bits ..............................................................................146

Table 152: ADCCAL Register ..............................................................................................146

Table 153: ADCCAL Register Bits .......................................................................................146

Table 154: ADCBATTLOAD Register.................................................................................147

Table 155: ADCBATTLOAD Register Bits .........................................................................147

Table 156: ADCTRIM Register ............................................................................................147

Table 157: ADCTRIM Register Bits .....................................................................................148

Table 158: ADCREFCOMP Register....................................................................................148

Table 159: ADCREFCOMP Register Bits ............................................................................148

Table 160: XTALCTRL Register ..........................................................................................149

Table 161: XTALCTRL Register Bits...................................................................................149

Table 162: XTALGENCTRL Register..................................................................................150

Table 163: XTALGENCTRL Register Bits ..........................................................................150

Table 164: MISCCTRL Register...........................................................................................151

Table 165: MISCCTRL Register Bits ...................................................................................151

Table 166: BOOTLOADER Register....................................................................................152

Table 167: BOOTLOADER Register Bits ............................................................................152

Table 168: SHADOWVALID Register.................................................................................153

Table 169: SHADOWVALID Register Bits .........................................................................153

Table 170: SCRATCH0 Register ..........................................................................................153

Table 171: SCRATCH0 Register Bits ...................................................................................154

Table 172: SCRATCH1 Register ..........................................................................................154

Table 173: SCRATCH1 Register Bits ...................................................................................154

Table 174: ICODEFAULTADDR Register ..........................................................................154

Table 175: ICODEFAULTADDR Register Bits ...................................................................155

Table 176: DCODEFAULTADDR Register.........................................................................155

Table 177: DCODEFAULTADDR Register Bits .................................................................155

Table 178: SYSFAULTADDR Register ...............................................................................155

Table 179: SYSFAULTADDR Register Bits........................................................................156

Table 180: FAULTSTATUS Register...................................................................................156

Table 181: FAULTSTATUS Register Bits ...........................................................................156

Table 182: FAULTCAPTUREEN Register ..........................................................................157

Apollo3 Blue Plus MCU Datasheet

Ultra-Low Power Apollo MCU Family

DS-A3P-0p7p0 Page 19 of 1025 2021 Ambiq Micro, Inc.

Table 183: FAULTCAPTUREEN Register Bits ...................................................................157

Table 184: DBGR1 Register..................................................................................................158

Table 185: DBGR1 Register Bits ..........................................................................................158

Table 186: DBGR2 Register..................................................................................................158

Table 187: DBGR2 Register Bits ..........................................................................................158

Table 188: PMUENABLE Register ......................................................................................159

Table 189: PMUENABLE Register Bits ...............................................................................159

Table 190: TPIUCTRL Register............................................................................................159

Table 191: TPIUCTRL Register Bits ....................................................................................159

Table 192: OTAPOINTER Register......................................................................................160

Table 193: OTAPOINTER Register Bits ..............................................................................160

Table 194: SRAMMODE Register........................................................................................161

Table 195: SRAMMODE Register Bits ................................................................................161

Table 196: KEXTCLKSEL Register .....................................................................................162

Table 197: KEXTCLKSEL Register Bits..............................................................................162

Table 198: SIMOBUCK1 Register........................................................................................162

Table 199: SIMOBUCK1 Register Bits ................................................................................163

Table 200: SIMOBUCK2 Register........................................................................................163

Table 201: SIMOBUCK2 Register Bits ................................................................................163

Table 202: SIMOBUCK3 Register........................................................................................165

Table 203: SIMOBUCK3 Register Bits ................................................................................165

Table 204: SIMOBUCK4 Register........................................................................................166

Table 205: SIMOBUCK4 Register Bits ................................................................................166

Table 206: BLEBUCK1 Register ..........................................................................................167

Table 207: BLEBUCK1 Register Bits...................................................................................168

Table 208: BLEBUCK2 Register ..........................................................................................168

Table 209: BLEBUCK2 Register Bits...................................................................................169

Table 210: FLASHWPROT0 Register ..................................................................................169

Table 211: FLASHWPROT0 Register Bits...........................................................................169

Table 212: FLASHWPROT1 Register ..................................................................................170

Table 213: FLASHWPROT1 Register Bits...........................................................................170

Table 214: FLASHWPROT2 Register ..................................................................................170

Table 215: FLASHWPROT2 Register Bits...........................................................................170

Table 216: FLASHWPROT3 Register ..................................................................................171

Table 217: FLASHWPROT3 Register Bits...........................................................................171

Table 218: FLASHRPROT0 Register ...................................................................................171

Table 219: FLASHRPROT0 Register Bits............................................................................171

Table 220: FLASHRPROT1 Register ...................................................................................172

Table 221: FLASHRPROT1 Register Bits............................................................................172

Table 222: FLASHRPROT2 Register ...................................................................................172

Table 223: FLASHRPROT2 Register Bits............................................................................172

Table 224: FLASHRPROT3 Register ...................................................................................173

Table 225: FLASHRPROT3 Register Bits............................................................................173

Table 226: DMASRAMWRITEPROTECT0 Register..........................................................173

Table 227: DMASRAMWRITEPROTECT0 Register Bits ..................................................173

Table 228: DMASRAMWRITEPROTECT1 Register..........................................................174

Apollo3 Blue Plus MCU Datasheet

Ultra-Low Power Apollo MCU Family

DS-A3P-0p7p0 Page 20 of 1025 2021 Ambiq Micro, Inc.

Table 229: DMASRAMWRITEPROTECT1 Register Bits ..................................................174

Table 230: DMASRAMREADPROTECT0 Register............................................................174

Table 231: DMASRAMREADPROTECT0 Register Bits ....................................................174

Table 232: DMASRAMREADPROTECT1 Register............................................................175

Table 233: DMASRAMREADPROTECT1 Register Bits ....................................................175

Table 234: DMASRAMREADPROTECT2 Register............................................................175

Table 235: DMASRAMREADPROTECT2 Register Bits ....................................................175

Table 236: CACHECTRL Register Map...............................................................................180

Table 237: CACHECFG Register..........................................................................................181

Table 238: CACHECFG Register Bits ..................................................................................181

Table 239: CTRL Register.....................................................................................................182

Table 240: CTRL Register Bits .............................................................................................182

Table 241: NCR0START Register ........................................................................................184

Table 242: NCR0START Register Bits.................................................................................184

Table 243: NCR0END Register ............................................................................................185

Table 244: NCR0END Register Bits .....................................................................................185

Table 245: NCR1START Register ........................................................................................185

Table 246: NCR1START Register Bits.................................................................................185

Table 247: NCR1END Register ............................................................................................186

Table 248: NCR1END Register Bits .....................................................................................186

Table 249: DMON0 Register.................................................................................................186

Table 250: DMON0 Register Bits .........................................................................................186

Table 251: DMON1 Register.................................................................................................187

Table 252: DMON1 Register Bits .........................................................................................187

Table 253: DMON2 Register.................................................................................................187

Table 254: DMON2 Register Bits .........................................................................................187

Table 255: DMON3 Register.................................................................................................188

Table 256: DMON3 Register Bits .........................................................................................188

Table 257: IMON0 Register ..................................................................................................188

Table 258: IMON0 Register Bits...........................................................................................188

Table 259: IMON1 Register ..................................................................................................189

Table 260: IMON1 Register Bits...........................................................................................189

Table 261: IMON2 Register ..................................................................................................189

Table 262: IMON2 Register Bits...........................................................................................189

Table 263: IMON3 Register ..................................................................................................190

Table 264: IMON3 Register Bits...........................................................................................190

Table 265: FLASH0CFG Register ........................................................................................190

Table 266: FLASH0CFG Register Bits .................................................................................190

Table 267: FLASH1CFG Register ........................................................................................191

Table 268: FLASH1CFG Register Bits .................................................................................191

Table 269: FLASH2CFG Register ........................................................................................192

Table 270: FLASH2CFG Register Bits .................................................................................192

Table 271: FLASH3CFG Register ........................................................................................193

Table 272: FLASH3CFG Register Bits .................................................................................193

Table 273: BLEIF Register Map ...........................................................................................207

Table 274: FIFO Register ......................................................................................................209

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