STM32F091XB Datasheet, PDF (1/127 Pages) STMicroelectronics – ARM-based 32-bit MCU, up to 256 KB Flash, CAN, 12 timers, ADC, DAC & comm. interfaces, 2.0 - 3.6V

STM32F091xB STM32F091xC
ARM^®-based 32-bit MCU, up to 256 KB Flash, CAN, 12 timers,
ADC, DAC & comm. interfaces, 2.0 - 3.6V
Datasheet - production data
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: V_DD = 2.0 V to 3.6 V
– Analog supply: V_DDA = V_DD to 3.6 V
– Power-on/Power down reset (POR/PDR)
– Programmable voltage detector (PVD)
– Low power modes: Sleep, Stop, Standby
– V_BAT 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 V_DDIO2
• 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
&"'!
LQFP100 14x14 mm _UFQFPN48
LQFP64 10x10 mm 7x7 mm
LQFP48 7x7 mm
UFBGA100
7x7 mm
UFBGA64
5x5 mm
WLCSP64
3.3x3.6mm
• 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
Table 1. Device summary
Reference
Part number
STM32F091xB STM32F091CB, STM32F091RB, STM32F091VB
STM32F091xC STM32F091CC, STM32F091RC, STM32F091VC
December 2015
This is information on a product in full production.
DocID026284 Rev 3
1/127
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