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README.md

Apollo2 MCUǻAmbiq MicroApollo MCUƷϵеĵڶ AmbiqʹרֵŻSubthreshold Power Optimized Technology SPOTƽ̨ʵ־˵ĹĽͣ书ͨMCUƷ510 Apollo2 MCU32λARM Cortex-M4F΢˸ߴ1 MB256 KBRAMӦߵʹͬʱ㹻Ӧôռ䡣΢UART˿ڣߵʹͨţٶȼƣǺʹơ

Features Ultra-low supply current

10 A/MHz executing from flash at 3.3 V
10 A/MHz executing from RAM at 3.3 V

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
Low frequency RC oscillator C 1.024 kHz
High frequency RC oscillator C 48 MHz
RTC based on Ambiqs AM08X5/18X5 families

Wide operating range: 1.8-3.6 V, C40 to 85C

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

Apollo2 Evaluation Boardhttp://ambiqmicro.com/apollo-ultra-low-power-mcu/apollo2-mcu-20170703/