this is information on a product in full production. october 2014 docid026284 rev 1 1/129 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 s 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 i 2 c 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 i 2 s 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 lqfp100 14x14 mm lqfp64 10x10 mm lqfp48 7x7 mm ufqfpn48 7x7 mm & |