STM32F334x4 STM32F334x6 STM32F334x8 Arm Cortex -M4 32b MCU+FPU,up to 64KB Flash,16KB SRAM, 2 ADCs,3 DACs,3 comp.,op-amp, 217ps 10-ch (HRTIM1) Datasheet - production data Features Core: Arm Cortex -M4 32-bit CPU with FPU (72 MHz max), single-cycle multiplication and HW division DSP instruction UFQFPN32 (5 x 5 mm) LQFP32 (7 x 7 mm) WLCSP49 Memories LQFP48 (7 x 7 mm) (3.89x3.74 mm) LQFP64 (10 x 10 mm) Up to 64 Kbytes of Flash memory Up to 12 Kbytes of SRAM with HW parity Three ultra-fast rail-to-rail analog comparators check with analog supply from 2 to 3.6 V Routine booster: 4 Kbytes of SRAM on One operational amplifiers that can be used in instruction and data bus with HW parity PGA mode, all terminals accessible with check (CCM) analog supply from 2.4 to 3.6 V CRC calculation unit Up to 18 capacitive sensing channels supporting touchkeys, linear and rotary touch Reset and supply management sensors Low-power modes: Sleep, Stop, Standby Up to 12 timers V V voltage range: 2.0 to 3.6 V DD, DDA HRTIM: 6 x16-bit counters, 217 ps Power-on/Power-down reset (POR/PDR) resolution, 10 PWM, 5 fault inputs, 10 ext Programmable voltage detector (PVD) event input, 1 synchro. input,1 synchro. out V supply for RTC and backup registers BAT One 32-bit timer and one 16-bit timer with up to 4 IC/OC/PWM or pulse counter and Clock management quadrature (incremental) encoder input 4 to 32 MHz crystal oscillator One 16-bit 6-channel advanced-control 32 kHz oscillator for RTC with calibration timer, with up to 6 PWM channels, Internal 8 MHz RC (up to 64 MHz with PLL deadtime generation and emergency stop option) One 16-bit timer with 2 IC/OCs, Internal 40 kHz oscillator 1 OCN/PWM, deadtime generation, emergency stop Up to 51 fast I/O ports, all mappable on external interrupt vectors, several 5 V-tolerant Two 16-bit timers with IC/OC/OCN/PWM, deadtime generation and emergency stop Interconnect matrix Two watchdog timers (independent, 7-channel DMA controller window) Up to two ADC 0.20 s (up to 21 channels) with SysTick timer: 24-bit downcounter selectable resolution of 12/10/8/6 bits, 0 to 3.6 V conversion range, single-ended / Up to two 16-bit basic timers to drive DAC differential mode, separate analog supply from Calendar RTC with alarm, periodic wakeup 2.0 to 3.6 V from Stop Temperature sensor Communication interfaces Up to three 12-bit DAC channels with analog CAN interface (2.0 B Active) and one SPI supply from 2.4 V to 3.6 V July 2018 DS9994 Rev 9 1/125 This is information on a product in full production. www.st.comSTM32F334x4 STM32F334x6 STM32F334x8 2 One I C with 20 mA current sink to support 96-bit unique ID Fast mode plus, SMBus/PMBus All packages ECOPACK 2 compliant Up to 3 USARTs, one with ISO/IEC 7816 interface, LIN, IrDA, modem control Debug mode: serial wire debug (SWD), JTAG Table 1. Device summary Reference Part number STM32F334Kx STM32F334K4/K6/K8 STM32F334Cx STM32F334C4/C6/C8 STM32F334Rx STM32F334R6/R8 2/125 DS9994 Rev 9