ARM-based 32-bit MCU
STM32F103x8 STM32F103xB
Medium-density performance line Arm®-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timer...
Description
STM32F103x8 STM32F103xB
Medium-density performance line Arm®-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 com. interfaces
Datasheet - production data
Features
Includes ST state-of-the-art patented technology Arm® 32-bit Cortex®-M3 CPU core
– 72 MHz maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) 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 – 2.0 to 3.6 V application supply and I/Os – POR, PDR, and programmable voltage detector (PVD) – 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 µs A/D converters (up to 16 channels) – Conversion range: 0 to 3.6 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
VFQFPN36 6 × 6 mm UFQFPN48 7 × 7 mm
BGA100 10 × 10 mm UFBGA100 7 x 7 mm
BGA64 5 × 5 mm
LQFP100 14 × 14 mm LQFP64 10 × 10 mm
LQFP48 7 × 7 mm
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 counte...
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