STM32F103CBT6 72MHz Cortex-M3 MCU 128KB Flash 20KB RAM 2x12-bit ADC 3xUSART USB/CAN LQFP-48 2.0-3.6V -40°C to +85°C Industrial-Grade Performance

STM32F103CBT6

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

• 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®

Description

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.

Introduction

This document provides the ordering information and mechanical device characteristics of the STM32F103x8 and STM32F103xB medium-density performance line microcontrollers. For more details on the whole STMicroelectronics STM32F103xx family, refer to Section 2.2: Full compatibility throughout the family. The medium-density STM32F103xx datasheet must be read in conjunction with the low-, medium-, and high-density STM32F10xxx reference manual. For information on the device errata with respect to the datasheet and reference manual, refer to the STM32F103x8/B errata sheet (ES096). The errata sheet, reference manual, and flash programming manual are all available on the STMicroelectronics website www.st.com. For information on the Arm®(a) Cortex®-M3 core refer to the Cortex®-M3 Technical Reference Manual, available from the www.arm.com website.

Information

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