he STM32F103xx medium-density performance line family incorporates the high-performance ARM^®Cortex^®-M3 32-bit RISC core operating at a 72 MHz frequency, high-speed embedded memories (Flash memory up to 128 Kbytes and SRAM up to 20 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. All devices offer two 12-bit ADCs, three general purpose 16-bit timers plus one PWM timer, as well as standard and advanced communication interfaces: up to two I²Cs and SPIs, three USARTs, an USB and a CAN.

Specifications :

Operating Range	INDUSTRIAL
Supply Voltage Min Volt	2.0
Supply Voltage Max Volt	3.6
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	85.0
Core	ARM CORTEX-M3
ECCN US	3A991A2
ECCN EU	NEC
Packing Type	TRAY
ROHS Compliance Grade	ECOPACK2
Grade	INDUSTRIAL
Package Name	LQFP 48 7X7X1.4

Features :

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
2 x 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
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 I²C interfaces (SMBus/PMBus)
- Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
- Up to 2 SPIs (18 Mbit/s)
- CAN interface (2.0B Active)
- USB 2.0 full-speed interface
CRC calculation unit, 96-bit unique ID
Packages are ECOPA

Typical Applications :

These features make the STM32F103xx medium-density performance line microcontroller family suitable for a wide range of applications such as motor drives, application control, medical and handheld equipment, PC and gaming peripherals, GPS platforms, industrial applications, PLCs, inverters, printers, scanners, alarm systems, video intercoms, and HVACs.