Key Features
- Core: ARM® 32-bit Cortex® -M0 CPU, frequency up to 48 MHz
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Memories
- 64 to 128 Kbytes of Flash memory
- 16 Kbytes of SRAM with HW parity
- CRC calculation unit
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Reset and power management
- Digital and I/O supply: VDD = 2.0 V to 3.6 V
- Analog supply: VDDA = VDD to 3.6 V
- Selected I/Os: VDDIO2 = 1.65 V to 3.6 V
- Power-on/Power down reset (POR/PDR)
- Programmable voltage detector (PVD)
- Low power modes: Sleep, Stop, Standby
- VBAT supply for RTC and backup registers
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Clock management
- 4 to 32 MHz crystal oscillator
- 32 kHz oscillator for RTC with calibration
- Internal 8 MHz RC with x6 PLL option
- Internal 40 kHz RC oscillator
- Internal 48 MHz oscillator with automatic trimming based on ext. synchronization
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Up to 87 fast I/Os
- All mappable on external interrupt vectors
- Up to 68 I/Os with 5V tolerant capability and 19 with independent supply VDDIO2
- Seven-channel DMA controller
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One 12-bit, 1.0 μs ADC (up to 16 channels)
- Conversion range: 0 to 3.6 V
- Separate analog supply: 2.4 V to 3.6 V
- One 12-bit D/A converter (with 2 channels)
- Two fast low-power analog comparators with programmable input and output
- Up to 24 capacitive sensing channels for touchkey, linear and rotary touch sensors
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
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12 timers
- One 16-bit advanced-control timer for six-channel PWM output
- One 32-bit and seven 16-bit timers, with up to four IC/OC, OCN, usable for IR control decoding or DAC control
- Independent and system watchdog timers
- SysTick timer
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Communication interfaces
- Two I2 C interfaces supporting Fast Mode Plus (1 Mbit/s) with 20 mA current sink, one supporting SMBus/PMBus and wakeup
- Four USARTs supporting master synchronous SPI and modem control, two with ISO7816 interface, LIN, IrDA, auto baud rate detection and wakeup feature
- Two SPIs (18 Mbit/s) with 4 to 16 programmable bit frames, and with I2 S interface multiplexed
- CAN interface
- USB 2.0 full-speed interface, able to run from internal 48 MHz oscillator and with BCD and LPM support
- HDMI CEC wakeup on header reception
- Serial wire debug (SWD)
- 96-bit unique ID
- All packages ECOPACK® 2