STM32F091CB Datasheet PDF - STMicroelectronics

Features
• Core: ARM® 32-bit Cortex®-M0 CPU, frequency up to 48 MHz
• Memories
   – 128 to 256 Kbytes of Flash memory
   – 32 Kbytes of SRAM with HW parity
• CRC calculation unit
• Reset and power management
   – Digital & I/Os supply: VDD = 2.0 V to 3.6 V
   – Analog supply: VDDA = VDD 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
• 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
• Up to 88 fast I/Os
   – All mappable on external interrupt vectors
   – Up to 69 I/Os with 5V-tolerant capability and 19 with independent supply VDDIO2
• 12-channel DMA controller
• 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
• One 12-bit D/A converter (with 2 channels)
• Two fast low-power analog comparators with programmable input and output
• Up to 24 capacitive sensing channels for touchkey, linear and rotary touch sensors
• Calendar RTC with alarm and periodic wakeup from Stop/Standby
• 12 timers
   – One 16-bit advanced-control timer for 6 channel PWM output
   – One 32-bit and seven 16-bit timers, with up to 4 IC/OC, OCN, usable for IR control decoding or DAC control
   – Independent and system watchdog timers
   – SysTick timer
• Communication interfaces
   – Two I2C interfaces supporting Fast Mode Plus (1 Mbit/s) with 20 mA current sink, one supporting SMBus/PMBus and wakeup
   – Up to eight USARTs supporting master synchronous SPI and modem control, three with ISO7816 interface, LIN, IrDA, auto baud rate detection and wakeup feature
   – Two SPIs (18 Mbit/s) with 4 to 16 programmable bit frames, and with I2S interface multiplexed
   – CAN interface
• HDMI CEC wakeup on header reception
• Serial wire debug (SWD)
• 96-bit unique ID
• All packages ECOPACK®2