● Core Processor
● ARM® Cortex®-M0+ core up to 48 MHz
● Memories
● 128/256 KB program flash memory
● 32 KB SRAM
● 16 KB ROM with build-in bootloader
● 32-byte backup register
● System
● 4-channel asynchronous DMA controller
● Watchdog
● Low-leakage wakeup unit
● Two-pin Serial Wire Debug (SWD) programming and debug interface
● Micro Trace Buffer
● Bit manipulation engine
● Interrupt controller
● Clocks
● 48MHz high accuracy (up to 0.5%) internal reference clock
● 8MHz/2MHz high accuracy (up to 3%) internal reference clock
● 1KHz reference clock active under all low-power modes (except VLLS0)
● 32–40KHz and 3–32MHz crystal oscillator
● Operating Characteristics
● Voltage range: 1.71 to 3.6 V
● Flash write voltage range: 1.71 to 3.6 V
● Temperature range: –40 to 105 °C
● Packages
● 64 LQFP 10mm x 10mm, 0.5mm pitch, 1.6mm thickness
● 64 MAPBGA 5mm x 5mm, 0.5mm pitch, 1.23mm thickness
● 48 QFN 7mm x 7mm, 0.5mm pitch, 0.65mm thickness
● 32 QFN 5mm x 5mm, 0.5mm pitch, 0.65mm thickness
● Peripherals
● One UART module supporting ISO7816, operating up to 1.5 Mbit/s
● Two low-power UART modules supporting asynchronous operation in low-power modes
● Two I2C modules and I2C0 supporting up to 1 Mbit/s
● Two 16-bit SPI modules supporting up to 24 Mbit/s
● One FlexIO module supporting emulation of additional UART, IrDA, SPI, I2C, I2S, PWM and other serial modules, etc.
● One serial audio interface I2S
● One 16-bit 818 ksps ADC module with high accuracy internal voltage reference (Vref) and up to 16 channels
● High-speed analog comparator containing a 6-bit DAC for programmable reference input
● One 12-bit DAC
● 1.2 V internal voltage reference
● 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
● 80-bit unique identification number per chip
● Advanced flash security
● I/O
● Up to 54 general-purpose input/output pins (GPIO) and 6 high-drive pad
● Low Power
● Down to 54uA/MHz in very low power run mode
● Down to 1.96uA in VLLS3 mode (RAM + RTC retained)
● Six flexible static modes
Part 3D Model
