The STM32F302x6/8 family is based on the high-performance Arm? Cortex?-M4 32-bit RISC core operating at a frequency of up to 72 MHz and embedding a floating point unit (FPU). The family incorporates high-speed embedded memories (up to 64 Kbytes of Flash memory, 16 Kbytes of SRAM), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. The devices offer a fast 12-bit ADC (5 Msps), three comparators, an operational amplifier, up to 18 capacitive sensing channels, one DAC channel, a low-power RTC, one general-purpose 32-bit timer, one timer dedicated to motor control, and up to three general-purpose 16-bit timers, and one timer to drive the DAC. They also feature standard and advanced communication interfaces: three I2Cs, up to three USARTs, up to two SPIs with multiplexed full-duplex I2S, a USB FS device, a CAN, and an infrared transmitter. The STM32F302x6/8 family operates in the –40 to +85°C and –40 to +105°C temperature ranges from at a 2.0 to 3.6 V power supply. A comprehensive set of power-saving mode allows the design of low-power applications. The STM32F302x6/8 family offers devices in 32-, 48-, 49- and 64-pin packages. The set of included peripherals changes with the device chosen.
All features
Core: Arm? 32-bit Cortex?-M4 CPU with FPU (72 MHz max.), single-cycle multiplication and HW division, DSP instruction
Memories
32 to 64 Kbytes of Flash memory
16 Kbytes of SRAM on data bus
CRC calculation unit
Reset and power management
VDD, VDDA voltage range: 2.0 to 3.6 V
Power-on/Power down reset (POR/PDR)
Programmable voltage detector (PVD)
Low-power: Sleep, Stop, and Standby
VBAT supply for RTC and backup registers
Clock management
4 to 32 MHz crystal oscillator
32 kHz oscillator for RTC with calibration
Internal 8 MHz RC with x 16 PLL option
Internal 40 kHz oscillator
Up to 51 fast I/O ports, all mappable on external interrupt vectors, several 5 V-tolerant
1 × ADC 0.20 μs (up to 15 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 2.0 to 3.6 V
Temperature sensor
1 x 12-bit DAC channel with analog supply from 2.4 to 3.6 V
Three fast rail-to-rail analog comparators with analog supply from 2.0 to 3.6 V
1 x operational amplifier that can be used in PGA mode, all terminal accessible with analog supply from 2.4 to 3.6 V
Up to 18 capacitive sensing channels supporting touchkey, linear and rotary sensors
Up to 9 timers
One 32-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
Three 16-bit timers with IC/OC/OCN or PWM, deadtime gen. and emergency stop
One 16-bit basic timer to drive the DAC
2 watchdog timers (independent, window)
SysTick timer: 24-bit downcounter
Calendar RTC with alarm, periodic wakeup from Stop/Standby
Communication interfaces
Three I2Cs with 20 mA current sink to support Fast mode plus
Up to 3 USARTs, 1 with ISO 7816 I/F, auto baudrate detect and Dual clock domain
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