Medium-density performance line ARM®-based 32-bit MCU …

1 This is information on a product in full production. March 2022DS5319 Rev 181/116 STM32F103x8 STM32F103xBMedium-density performance line Arm -based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 com. interfacesDatasheet - production dataFeatures Arm 32-bit Cortex -M3 CPU core 72 MHz maximum frequency, DMIPS / MHz (Dhrystone ) performance at 0 wait state memory access Single-cycle multiplication and hardware division Memories 64 or 128 Kbytes of Flash memory 20 Kbytes of SRAM Clock, reset and supply management to V application supply and I/Os POR, PDR, and programmable voltage detector (PVD)

2 4 to 16 MHz crystal oscillator Internal 8 MHz factory-trimmed RC Internal 40 kHz RC PLL for CPU clock 32 kHz oscillator for RTC with calibration Low-power Sleep, Stop and Standby modes VBAT supply for RTC and backup registers 2x 12-bit, 1 s A/D converters (up to 16 channels) Conversion range: 0 to V Dual-sample and hold capability Temperature sensor DMA 7-channel DMA controller Peripherals supported: timers, ADC, SPIs, I2Cs and USARTs Up to 80 fast I/O ports 26/37/51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant Debug mode Serial wire debug (SWD) and JTAG interfaces Seven timers Three 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input 16-bit, motor control PWM timer with dead-time generation and emergency stop Two watchdog timers (independent and window)

3 SysTick timer 24-bit downcounter Up to nine communication interfaces Up to two I2C interfaces (SMBus/PMBus ) Up to three USARTs (ISO 7816 interface, LIN, IrDA capability, modem control) Up to two SPIs (18 Mbit/s) CAN interface ( Active) USB full-speed interface CRC calculation unit, 96-bit unique ID Packages are ECOPACK Table 1. Device summaryReferencePart numberSTM32F103x8 STM32F103C8, STM32F103R8 STM32F103V8, STM32F103T8 STM32F103xBSTM32F103RB STM32F103VB, STM32F103CB, STM32F103 TBBGA100 10 10 mmUFBGA100 7 x 7 mmBGA64 5 5 mmVFQFPN36 6 6 mmLQFP100 14 14 mmLQFP64 10 10 mmLQFP48 7 7 mmUFQFPN48 7 7 , STM32F103xB2/116DS5319 Rev 18 Contents1 Introduction.

4 92 Description .. overview .. compatibility throughout the family .. Cortex -M3 core with embedded Flash and SRAM .. Flash memory .. (cyclic redundancy check) calculation unit .. SRAM .. vectored interrupt controller (NVIC) .. interrupt/event controller (EXTI) .. and startup .. modes .. supply schemes .. supply supervisor .. regulator .. modes .. (real-time clock) and backup registers .. and watchdogs .. C bus .. synchronous/asynchronous receiver transmitter (USART) .. peripheral interface (SPI).

5 Area network (CAN) .. serial bus (USB) .. (general-purpose inputs/outputs) .. (analog-to-digital converter) .. sensor .. wire JTAG debug port (SWJ-DP) .. 203 Pinouts and pin description .. 214 Memory mapping .. 34DS5319 Rev 183/116 STM32F103x8, STM32F103xBContents45 Electrical characteristics .. conditions .. and maximum values .. values .. curves .. capacitor .. input voltage .. supply scheme .. consumption measurement .. maximum ratings .. conditions .. operating conditions .. conditions at power-up / power-down.

6 Reset and power control block characteristics .. reference voltage .. current characteristics .. clock source characteristics .. clock source characteristics .. characteristics .. characteristics .. characteristics .. maximum ratings (electrical sensitivity) .. current injection characteristics .. port characteristics .. pin characteristics .. timer characteristics .. interfaces .. (controller area network) interface .. ADC characteristics .. sensor characteristics .. 786 Package information.

7 Package information .. package information .. package information .. package information .. 89 ContentsSTM32F103x8, STM32F103xB4/116DS5319 Rev package information .. package information .. package information .. package information .. characteristics .. document .. the product temperature range .. 1057 Ordering information scheme .. 1078 Revision history .. 108DS5319 Rev 185/116 STM32F103x8, STM32F103xBList of tables6 List of tablesTable summary .. 1 Table Medium-density device features and peripheral counts.

8 10 Table family .. 13 Table feature comparison .. 17 Table STM32F103xx pin definitions .. 28 Table characteristics .. 37 Table characteristics .. 37 Table characteristics.. 37 Table operating conditions .. 38 Table conditions at power-up / power-down .. 39 Table reset and power control block characteristics.. 39 Table internal reference voltage .. 40 Table current consumption in Run mode, code with data processing running from Flash .. 41 Table current consumption in Run mode, code with data processing running from RAM.

9 41 Table current consumption in Sleep mode, code running from Flash or RAM .. 43 Table and maximum current consumptions in Stop and Standby modes .. 44 Table current consumption in Run mode, code with data processing running from Flash .. 47 Table current consumption in Sleep mode, code running from Flash or RAM .. 48 Table current consumption .. 49 Table external user clock characteristics.. 50 Table external user clock characteristics .. 51 Table 4-16 MHz oscillator characteristics .. 52 Table oscillator characteristics (fLSE = kHz).

10 53 Table oscillator characteristics.. 54 Table oscillator characteristics .. 55 Table mode wakeup timings .. 56 Table characteristics .. 56 Table memory characteristics .. 56 Table memory endurance and data retention .. 57 Table characteristics .. 58 Table characteristics .. 58 Table absolute maximum ratings .. 59 Table sensitivities .. 59 Table current injection susceptibility .. 60 Table static characteristics .. 61 Table voltage characteristics .. 64 Table AC characteristics .. 65 Table pin characteristics.