STM32F072x8 STM32F072xB Arm -based 32-bit MCU, up to 128 KB Flash, crystal-less USB FS 2.0, CAN, 12 timers, ADC, DAC & comm. interfaces, 2.0 - 3.6 V Datasheet - production data Features FBGA Core: Arm 32-bit Cortex -M0 CPU, frequency up to 48 MHz LQFP100 14x14 mm UFBGA100 WLCSP49 UFQFPN48 LQFP64 10x10 mm 7x7 mm 3.3x3.1 mm 7x7 mm Memories LQFP48 7x7 mm UFBGA64 5x5 mm 64 to 128 Kbytes of Flash memory Calendar RTC with alarm and periodic wakeup 16 Kbytes of SRAM with HW parity from Stop/Standby CRC calculation unit 12 timers Reset and power management One 16-bit advanced-control timer for Digital and I/O supply: V = 2.0 V to 3.6 V DD six-channel PWM output Analog supply: V = V to 3.6 V DDA DD One 32-bit and seven 16-bit timers, with up Selected I/Os: V = 1.65 V to 3.6 V DDIO2 to four IC/OC, OCN, usable for IR control Power-on/Power down reset (POR/PDR) decoding or DAC control Programmable voltage detector (PVD) Independent and system watchdog timers Low power modes: Sleep, Stop, Standby SysTick timer V supply for RTC and backup registers BAT Communication interfaces 2 Clock management 2 I C interfaces supporting Fast Mode Plus 4 to 32 MHz crystal oscillator (1 Mbit/s) with 20 mA current sink, one supporting SMBus/PMBus and wakeup 32 kHz oscillator for RTC with calibration 4 USARTs supporting master synchronous Internal 8 MHz RC with x6 PLL option SPI and modem control, two with ISO7816 Internal 40 kHz RC oscillator interface, LIN, IrDA, auto baud rate Internal 48 MHz oscillator with automatic detection and wakeup feature trimming based on ext. synchronization 2 SPIs (18 Mbit/s) with 4 to 16 Up to 87 fast I/Os 2 programmable bit frames, and with I S All mappable on external interrupt vectors interface multiplexed Up to 68 I/Os with 5V tolerant capability CAN interface and 19 with independent supply V DDIO2 USB 2.0 full-speed interface, able to run 7-channel DMA controller from internal 48 MHz oscillator and with BCD and LPM support One 12-bit, 1.0 s ADC (up to 16 channels) HDMI CEC wakeup on header reception Conversion range: 0 to 3.6 V Separate analog supply: 2.4 V to 3.6 V Serial wire debug (SWD) One 12-bit D/A converter (with 2 channels) 96-bit unique ID 2 fast low-power analog comparators with All packages ECOPACK 2 programmable input and output Table 1. Device summary Up to 24 capacitive sensing channels for Reference Part number touchkey, linear and rotary touch sensors STM32F072x8 STM32F072C8, STM32F072R8, STM32F072V8, STM32F072xB STM32F072CB, STM32F072RB, STM32F072VB September 2019 DS9826 Rev 6 1/128 This is information on a product in full production. www.st.comContents STM32F072x8 STM32F072xB Contents 1 Introduction 9 2 Description 10 3 Functional overview 13 3.1 Arm -Cortex -M0 core 13 3.2 Memories . 13 3.3 Boot modes . 13 3.4 Cyclic redundancy check calculation unit (CRC) . 14 3.5 Power management . 14 3.5.1 Power supply schemes . 14 3.5.2 Power supply supervisors . 14 3.5.3 Voltage regulator 15 3.5.4 Low-power modes . 15 3.6 Clocks and startup 15 3.7 General-purpose inputs/outputs (GPIOs) . 17 3.8 Direct memory access controller (DMA) 17 3.9 Interrupts and events 17 3.9.1 Nested vectored interrupt controller (NVIC) 17 3.9.2 Extended interrupt/event controller (EXTI) 18 3.10 Analog-to-digital converter (ADC) 18 3.10.1 Temperature sensor 18 3.10.2 Internal voltage reference (V ) . 18 REFINT 3.10.3 V battery voltage monitoring . 19 BAT 3.11 Digital-to-analog converter (DAC) 19 3.12 Comparators (COMP) . 19 3.13 Touch sensing controller (TSC) 20 3.14 Timers and watchdogs . 21 3.14.1 Advanced-control timer (TIM1) . 22 3.14.2 General-purpose timers (TIM2, 3, 14, 15, 16, 17) . 22 3.14.3 Basic timers TIM6 and TIM7 . 23 3.14.4 Independent watchdog (IWDG) . 23 3.14.5 System window watchdog (WWDG) . 23 2/128 DS9826 Rev 6