Описание
Supports ultra low power 48 MHz devices with up to 32 KB Flash. World"s smallest MCU based on ARM technology. Ideal solution for Internet of Things edge nodes design with ultra small form factor and ultra low power consumption. The products offers: • Tiny footprint packages, including 1.6 x 2.0 mm2 WLCSP • Run power consumption as low as 50 µA/MHz • Static power consumption as low as 2.2 µA with 7.5 µs wakeup time for full retention and lowest static mode down to 77 nA in deep sleep • Highly integrated peripherals, including new boot ROM and high accurate internal voltage reference, etc
- Core
- ARM® Cortex®-M0+ core up to 48 MHz
- Memories
- Up to 32 KB program flash memory
- 2 KB SRAM
- 8 KB ROM with build-in bootloader
- 16 bytes regfile
- System peripherals
- Nine low-power modes to provide power optimization based on application requirements
- COP Software watchdog
- Low-leakage wakeup unit
- SWD debug interface and Micro Trace Buffer
- Bit Manipulation Engine
- Clocks
- 48 MHz high accuracy internal reference clock
- 8/2 MHz low power internal reference clock
- 32 kHz to 40 kHz crystal oscillator
- 1 kHz LPO clock
- Operating Characteristics
- Voltage range: 1.71 to 3.6 V
- Flash write voltage range: 1.71 to 3.6 V
- Temperature range (ambient): -40 to 105°C for QFN packages; -40 to 85°C for WLCSP packages
- Human-machine interface
- General-purpose input/output up to 22
- Communication interfaces
- One 8-bit SPI module
- One LPUART module
- One I2C module supporting up to 1 Mbit/s, with double buffer
- Analog Modules
- 12-bit SAR ADC with internal voltage reference, up to 818 ksps and 7 channels
- High-speed analog comparator containing a 6-bit DAC and programmable reference input
- 1.2 V voltage reference (Vref)
- Timers
- Two 2-channel Timer/PWM modules
- One low-power timer
- Real time clock
- Security and integrity modules
- 80-bit unique identification number per chip
