48 MHz Cortex-M0+ Based Microcontroller

 

Supports ultra low power ARM based microcontroller with crystal-less USB feature. Ideal solution for smart phone accessories, gaming accessories, sensor hub applications, etc.

The products offers:
• 32KB SRAM for massive data processing
• Ultra low dynamic and static power consumption with smart peripherals for low power applications
• FlexIO for flexible and high performance serial interfaces
• Highly integrated peripherals, including new boot ROM and high accurate internal voltage reference, etc.
• USB FS 2.0 feature without needs of external crystal

 

 

Core

• ARM® Cortex®-M0+ core up to 48 MHz

 

 

Memories

• Up to 256 KB program flash memory
• Up to 32 KB SRAM
• 16 KB ROM with build-in bootloader
• 32 Byte Register File

 

 

System peripherals

• 4-channel DMA controller
• Watchdog
• Low-leakage wakeup unit
• SWD debug interface and Micro Trace Buffer
• Bit Manipulation Engine

 

 

Clocks

• 48 MHz high accuracy internal reference clock
• 32–40 kHz, or 3–32 MHz crystal oscillator
• 1 kHz LPO clock
• 8/2 MHz IRC

 

 

Operating Characteristics

• Voltage range: 1.71 to 3.6 V
• Temperature range: –40 to 105 °C

 

 

Human-machine interface

• General-purpose input/output up to 50

 

 

Communication interfaces

• USB full-speed slave controller with on-chip
transceiver and 5 V to 3.3 V regulator, supporting
crystal-less recovery
• Two 16-bit SPI modules
• One UART module supporting ISO7816
• Two LPUART modules
• Two I2C modules supporting up to 1 Mbit/s
• One I2S (SAI) module
• One FlexIO module

 

 

Analog Modules

• 16-bit, 16-channel SAR ADC with internal voltage reference
• High-speed analog comparator containing a 6-bit DAC and programmable reference input
• One 12-bit DAC
• 1.2 V voltage reference (Vref)

 

 

Timers

• One 6-channel Timer/PWM module
• Two 2-channel Timer/PWM modules
• One low-power timer
• Periodic interrupt timer
• Real time clock

 

 

Security and integrity modules

• 80-bit unique identification number per chip