STM32F328C8T6

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Mainstream Mixed signals MCUs Arm Cortex-M4 core with DSP and FPU, 64 Kbytes of Flash memory, 72 MHz CPU, CCM, 12-bit ADC 5 MSPS, comparators, op-amp

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Parameter NameParameter Value
Supply Voltage Min Volt1.65
Supply Voltage Max Volt1.95
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
CoreArm Cortex-M4
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTray
RoHs compliantEcopack2
GradeIndustrial
Package NameLQFP 48 7x7x1.4 mm

The STM32F328C8 family is based on the high-performance ARM 32-bit Cortex-M4 RISC core operating at a frequency of up to 72 MHz, and embedding a floating point unit (FPU). The STM32F328C8 family incorporates high-speed embedded memories(up to 64 Kbytes of Flash memory, 12 Kbytes of SRAM), and an extensive range of enhanced I/Os and peripherals connected to two APB buses.


The STM32F328C8 devices offer up to two fast 12-bit ADCs (5 Msps), up to three ultra-fast comparators, an operational amplifier, three DAC channels, a low-power RTC, one general-purpose 32-bit timer, one timer dedicated to motor control, and four general-purpose 16-bit timers. They also feature standard and advanced communication interfaces: one I2C, one SPI, up to three USARTs and one CAN.


The STM32F328C8 family operates in the –40 to +85 °C and –40 to +105 °C temperature ranges from 1.8 V +/-8% power supply. A comprehensive set of power-saving mode allows the design of low-power applications.


The STM32F328C8 family offers devices in 48-pin packages.

Key features
  • Core: ARM-32-bit Cortex-M4 CPU with FPU (72 MHz max), single-cycle multiplication and HW division, and DSP instruction
  • Memories
    • Up to 64 KB of Flash memory
    • 12 KB of SRAM with HW parity check
    • Routine booster: 4 KB of SRAM on instruction and data bus with HW parity check (CCM)
  • CRC calculation unit
  • Reset and supply management
    • VDD: 1.8 V +/-8%
    • VDDA: voltage range: 1.65 to 3.6 V
    • Low-power modes: Sleep, Stop
    • VBATsupply for RTC and backup registers
  • Clock management
    • 4 to 32 MHz crystal oscillator
    • 32 kHz oscillator for RTC with calibration
    • Internal 8 MHz RC (up to 64 MHz with PLL option)
    • Internal 40 kHz oscillator
  • Up to 36 fast I/O ports, all mappable on external interrupt vectors, several 5 V-tolerant
  • Interconnect Matrix
  • 7-channel DMA controller
  • Up to two ADC 0.20 μs (up to 14 channels) with selectable resolution of 12/10/8/6 bits, 0 to 3.6 V conversion range, single-ended/differential mode, separate analog supply from 1.8 to 3.6 V
  • Temperature sensor
  • Up to three 12-bit DAC channels with analog supply from 2.4 V to 3.6 V
  • Three ultra-fast rail-to-rail analog comparators with analog supply from 1.8 V to 3.6 V
  • One operational amplifiers that can be used in PGA mode, all terminals accessible with analog supply from 2.4 to 3.6 V
  • Up to 17 capacitive sensing channels supporting touchkeys, linear and rotary touch sensors
  • Up to 11 timers
    • One 32-bit timer and one 16-bit timer with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
    • One 16-bit 6-channel advanced-control timer, with up to 6 PWM channels, deadtime generation and emergency stop
    • One 16-bit timer with 2 IC/OCs, 1 OCN/PWM, deadtime generation, emergency stop
    • Two 16-bit timers with IC/OC/OCN/PWM, deadtime