STC32F103 series

Features:

Core

•ARM® 32-bit Cortex® -M3 CPU Core

•72 MHz maximum frequency.

•Single-cycle multiplication and hardware division

Memories

•Up to 256 Kbytes of Flash memory

•Up to 48 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

•Run mode：~155uA/MHz@3.3V

•Stop mode：~16uA@3.3V

•Standby mode：~4uA@3.3V

•VBAT RTC mode：~1uA@3.3V

2 x 12-bit, 1.0 μs A/D converters (up to 16 channels)

•Conversion range: 0 to 3.6 V

•Max convert rate: 1Msps

•Dual-sample and hold capability

•Temperature sensor

•Up to 16 A/D channels

DMA

•Mulit-channel DMA controller

•Peripherals supported: timers, ADC, SPIs, I2Cs and USARTs

Up to 51 fast I/O ports

•37/51 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant

Debug mode

•Serial wire debug (SWD) & JTAG interfaces

7 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

•2 watchdog timers (Independent and Window)

•SysTick timer 24-bit downcounter

Up to 9 communication interfaces

•Up to 2 x I2 C interfaces (SMBus/PMBus)

Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)

•Up to 3 SPIs (18 Mbit/s)

•CAN interface (2.0B Active)

•USB 2.0 full-speed interface

CRC calculation unit, 96-bit unique ID

Operating temperature: -40 to +105℃

package type: LQFP48, LQFP64