STM32F072C8U6TR

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1. Description

The STM32F072C8U6TR microcontrollers incorporate the high-performance Arm®Cortex®-M0 32-bit RISC core operating at up to 48 MHz frequency, high-speed embedded memories (up to 128 Kbytes of Flash memory and 16 Kbytes of SRAM), and an extensive range of enhanced peripherals and I/Os. All devices offer standard communication interfaces (two I2Cs, two SPI/I2S, one HDMI CEC and four USARTs), one USB Full-speed device (crystal less), one CAN, one 12-bit ADC, one 12-bit DAC with two channels, seven 16-bit timers, one 32-bit timer and an advanced-control PWM timer. The STM32F072x8/xB microcontrollers operate in the -40 to +85 °C and -40 to +105 °C temperature ranges, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications. The STM32F072x8/xB microcontrollers include devices in seven different packages ranging from 48 pins to 100 pins with a die form also available upon request. Depending on the device chosen, different sets of peripherals are included. These features make the STM32F072x8/xB microcontrollers suitable for a wide range of applications such as application control and user interfaces, hand-held equipment, A/V receivers and digital TV, PC peripherals, gaming and GPS platforms, industrial applications, PLCs, inverters, printers, scanners, alarm systems, video intercoms and HVACs.

2. Features

    1. Core: Arm® 32-bit Cortex®-M0 CPU, frequency up to 48MHz

    2. Memories

        – 64 to 128 Kbytes of Flash memory

        – 16 Kbytes of SRAM with HW parity

    3. CRC calculation unit

    4. 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

    5. 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

    6. 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

    7. 7-channel DMA controller

    8. 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

    9. One 12-bit D/A converter (with 2 channels)

  10. 2 fast low-power analog comparators with programmable input and output

  11. Up to 24 capacitive sensing channels for touchkey, linear and rotary touch sensors

  12. Calendar RTC with alarm and periodic wakeup from Stop/Standby

  13. 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

  14. Communication interfaces

        – 2 I2C interfaces supporting Fast Mode Plus (1 Mbit/s) with 20 mA current sink, one supporting SMBus/PMBus and wakeup

        – 4 USARTs supporting master synchronous SPI and modem control, two with ISO7816 interface, LIN, IrDA, auto baud rate detection and wakeup feature

        – 2 SPIs (18 Mbit/s) with 4 to 16 programmable bit frames, and with I2S interface multiplexed

        – CAN interface

        – USB 2.0 full-speed interface, able to run from internal 48 MHz oscillator and with BCD and LPM support

  15. HDMI CEC wakeup on header reception

  16. Serial wire debug (SWD)

  17. 96-bit unique ID

  18. All packages ECOPACK®2

3. Analog-to-digital converter (ADC)

The 12-bit analog-to-digital converter has up to 16 external and 3 internal (temperature sensor, voltage reference, VBAT voltage measurement) channels and performs conversions in single-shot or scan modes. In scan mode, automatic conversion is performed on a selected group of analog inputs. The ADC can be served by the DMA controller. An analog watchdog feature allows very precise monitoring of the converted voltage of one, some or all selected channels. An interrupt is generated when the converted voltage is outside the programmed thresholds.

4. Digital-to-analog converter

    1. 8-bit or 12-bit monotonic output

    2. Left or right data alignment in 12-bit mode

    3. Synchronized update capability

    4. Noise-wave generation

    5. Triangular-wave generation

    6. Dual DAC channel independent or simultaneous conversions

    7. DMA capability for each channel

    8. External triggers for conversion