STM32F103C8T6

The 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.
The devices operate from a 2.0 to 3.6 V power supply. They are available in both the –40 to
+85°C temperature range and the –40 to +105 °C extended temperature range. A
comprehensive set of power-saving mode allows the design of low-power applications.
The STM32F103xx medium-density performance line family includes devices in six different
package types: from 36 pins to 100 pins. Depending on the device chosen, different sets of
peripherals are included, the description below gives an overview of the complete range of
peripherals proposed in this family.
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.

Category: Microcontrollers and Processors

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SPECIFICATION

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,
I
2Cs 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)
– 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 (2.0B Active)
– USB 2.0 full-speed interface
• CRC calculation unit, 96-bit unique ID
• Packages are ECOPACK®