2017-10-06 11:20:07 +08:00
|
|
|
|
Apollo2 MCU是基于Ambiq Micro的Apollo MCU产品系列的第二代控制器。
|
2017-09-18 17:58:26 +08:00
|
|
|
|
|
2017-10-06 11:20:07 +08:00
|
|
|
|
Ambiq使用专利亚阈值功率优化技术（Subthreshold Power Optimized Technology， SPOT）平台来实现惊人的功耗降低，其功耗通常比性能相近的其它MCU产品降低5至10倍。
|
|
|
|
|
|
|
|
|
|
|
|
Apollo2 MCU采用32位ARM Cortex-M4F微控制器，集成了高达1 MB的闪存和256 KB的RAM，以适应无线电和传感器开销，同时仍留有足够的应用代码空间。该微控制器还包括串行主机和UART端口，用于与无线电和传感器通信，包括加速度计，陀螺仪和磁力计。
|
|
|
|
|
|
|
|
|
|
|
|
```
|
2017-09-20 11:14:45 +08:00
|
|
|
|
Features
|
|
|
|
|
|
Ultra-low supply current
|
2017-10-06 11:20:07 +08:00
|
|
|
|
10 μA/MHz executing from flash at 3.3 V
|
|
|
|
|
|
10 μA/MHz executing from RAM at 3.3 V
|
2017-09-20 11:14:45 +08:00
|
|
|
|
|
|
|
|
|
|
High-performance ARM Cortex-M4 Processor
|
|
|
|
|
|
Up to 48 MHz clock frequency
|
|
|
|
|
|
Floating point unit
|
|
|
|
|
|
Memory protection unit
|
|
|
|
|
|
Wake-up interrupt controller with 32 interrupts
|
|
|
|
|
|
|
|
|
|
|
|
Ultra-low power memory:
|
|
|
|
|
|
Up to 1 MB of flash memory for code/data
|
|
|
|
|
|
Up to 256 KB of low leakage RAM for code/data
|
|
|
|
|
|
16kB 1 or 2-way Associative Cache
|
|
|
|
|
|
|
|
|
|
|
|
Ultra-low power interface for off-chip sensors:
|
|
|
|
|
|
14 bit, 15-channel, up to 1.2 MS/s ADC
|
|
|
|
|
|
Voltage Comparator
|
|
|
|
|
|
Temperature sensor with +/-2C accuracy
|
|
|
|
|
|
|
|
|
|
|
|
Flexible serial peripherals:
|
|
|
|
|
|
6x I2C/SPI master for communication with sensors,?radios, and other peripherals
|
|
|
|
|
|
1x I2C/SPI slave for host communications
|
|
|
|
|
|
2x UART for communication with peripherals and?legacy devices
|
|
|
|
|
|
PDM for mono and stereo audio microphone
|
|
|
|
|
|
|
|
|
|
|
|
Rich set of clock sources:
|
|
|
|
|
|
32.768 kHz XTAL oscillator
|
2017-10-06 11:20:07 +08:00
|
|
|
|
Low frequency RC oscillator – 1.024 kHz
|
|
|
|
|
|
High frequency RC oscillator – 48 MHz
|
|
|
|
|
|
RTC based on Ambiq’s AM08X5/18X5 families
|
2017-09-20 11:14:45 +08:00
|
|
|
|
|
2017-10-06 11:20:07 +08:00
|
|
|
|
Wide operating range: 1.8-3.6 V, –40 to 85°C
|
2017-09-20 11:14:45 +08:00
|
|
|
|
|
|
|
|
|
|
Compact package options:
|
|
|
|
|
|
2.5 x 2.5 mm 49-pin CSP with 34 GPIO
|
|
|
|
|
|
4.5 x 4.5 mm 64-pin BGA with 50 GPIO
|
|
|
|
|
|
|
|
|
|
|
|
Board info
|
2017-10-06 11:20:07 +08:00
|
|
|
|
Apollo2 Evaluation Board（http://ambiqmicro.com/apollo-ultra-low-power-mcu/apollo2-mcu-20170703/）
|
|
|
|
|
|
```
|
