STM32F078CB STM32F078RB STM32F078VB Arm -based 32-bit MCU, 128 KB Flash, crystal-less USB FS 2.0, 12 timers, ADC, DAC and comm. interfaces, 1.8 V Datasheet - production data Features FBGA Core: Arm 32-bit Cortex -M0 CPU, frequency up to 48 MHz LQFP100 14 14 mm UFBGA100 WLCSP49 UFQFPN48 LQFP64 10 10 mm 77mm 3.3 3.1 mm 77 mm Memories LQFP48 7 7 mm UFBGA64 128 Kbytes of Flash memory 5 5mm 16 Kbytes of SRAM with HW parity 12 timers CRC calculation unit One 16-bit advanced-control timer for Power management six-channel PWM output Digital and I/O supply: V = 1.8 V 8% DD One 32-bit and seven 16-bit timers, with up Analog supply: V = V to 3.6 V to four IC/OC, OCN, usable for IR control DDA DD decoding or DAC control Selected I/Os: V = 1.65 V to 3.6 V DDIO2 Independent and system watchdog timers Low power modes: Sleep, Stop SysTick timer V supply for RTC and backup registers BAT Communication interfaces Clock management 2 2 I C interfaces supporting Fast Mode Plus 4 to 32 MHz crystal oscillator (1 Mbit/s), one supporting SMBus/PMBus 32 kHz oscillator for RTC with calibration and wakeup Internal 8 MHz RC with x6 PLL option 4 USARTs supporting master synchronous Internal 40 kHz RC oscillator SPI and modem control, two with ISO7816 Internal 48 MHz oscillator with automatic interface, LIN, IrDA, auto baud rate trimming based on ext. synchronization detection and wakeup feature Up to 86 fast I/Os 2 SPIs (18 Mbit/s) with 4 to 16 2 All mappable on external interrupt vectors programmable bit frames, and with I S interface multiplexed Up to 67 I/Os with 5V tolerant capability and 19 with independent supply V USB 2.0 full-speed interface, able to run DDIO2 from internal 48 MHz oscillator and with 7-channel DMA controller 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 Serial wire debug (SWD) Separate analog supply: 2.4 V to 3.6 V 96-bit unique ID 2 independent 12-bit DAC channels All packages ECOPACK 2 2 fast low-power analog comparators with programmable input and output Up to 23 capacitive sensing channels for touchkey, linear and rotary touch sensors Calendar RTC with alarm and periodic wakeup from Stop September 2019 DS10212 Rev 6 1/125 This is information on a product in full production. www.st.comContents STM32F078CB, STM32F078RB, STM32F078VB 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-on reset . 14 3.5.3 Low-power modes . 14 3.6 Clocks and startup 15 3.7 General-purpose inputs/outputs (GPIOs) . 16 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) 17 3.10 Analog-to-digital converter (ADC) 17 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) 19 3.14 Timers and watchdogs . 21 3.14.1 Advanced-control timer (TIM1) . 21 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 3.14.6 SysTick timer . 23 2/125 DS10212 Rev 6