Overview
The STM32F101CBT6 is a microcontroller from STMicroelectronics, part of the STM32F101xx medium-density access line family. It incorporates the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 36 MHz. This microcontroller features high-speed embedded memories, including up to 128 Kbytes of Flash memory and up to 16 Kbytes of SRAM. It also includes an extensive range of enhanced peripherals and I/Os connected to two APB buses.
The device supports standard communication interfaces such as two I²Cs, two SPIs, and up to three USARTs. Additionally, it includes a 12-bit ADC and three general-purpose 16-bit timers. The STM32F101CBT6 operates in the –40 to +85 °C temperature range and is powered by a 2.0 to 3.6 V supply, with comprehensive power-saving modes for low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 36 MHz |
| Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) at 0 wait state memory access |
| Flash Memory | Up to 128 Kbytes |
| SRAM | Up to 16 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | –40 to +85 °C |
| ADC | 1 × 12-bit, 1 μs A/D converter (up to 16 channels) |
| Timers | Three 16-bit timers, two watchdog timers, and a SysTick timer |
| Communication Interfaces | Up to 2 I²Cs, up to 2 SPIs, and up to 3 USARTs |
| I/Os | Up to 37 fast I/O ports, almost all 5 V-tolerant |
| Package | LQFP 48 7x7x1.4 mm, UFQFPN 48 7x7x0.55 mm |
Key Features
- High-performance ARM® Cortex®-M3 32-bit RISC core with single-cycle multiplication and hardware division.
- High-speed embedded memories: up to 128 Kbytes of Flash memory and up to 16 Kbytes of SRAM.
- Comprehensive set of power-saving modes: Sleep, Stop, and Standby modes.
- VBAT supply for RTC and backup registers.
- Serial wire debug (SWD) and JTAG interfaces for debugging.
- 7-channel DMA controller supporting peripherals like timers, ADC, SPIs, I²Cs, and USARTs.
- Up to 80 fast I/O ports, with almost all 5 V-tolerant.
- Six timers including three 16-bit timers and two watchdog timers.
- Up to seven communication interfaces: two I²Cs, two SPIs, and up to three USARTs.
- 12-bit ADC with up to 16 channels and a temperature sensor.
Applications
The STM32F101CBT6 is suitable for a wide range of applications, including:
- Application control and user interface.
- Medical and handheld equipment.
- PC peripherals.
- Gaming and GPS platforms.
- Industrial applications such as PLCs, inverters, and printers.
- Scanners, alarm systems, video intercoms, and HVAC systems.
Q & A
- What is the core of the STM32F101CBT6 microcontroller?
The core is the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F101CBT6?
The maximum operating frequency is 36 MHz.
- How much Flash and SRAM memory does the STM32F101CBT6 have?
It has up to 128 Kbytes of Flash memory and up to 16 Kbytes of SRAM.
- What is the operating temperature range of the STM32F101CBT6?
The operating temperature range is –40 to +85 °C.
- What types of communication interfaces does the STM32F101CBT6 support?
It supports up to two I²Cs, up to two SPIs, and up to three USARTs.
- How many I/O ports does the STM32F101CBT6 have?
It has up to 37 fast I/O ports, almost all of which are 5 V-tolerant.
- What power-saving modes are available on the STM32F101CBT6?
The available power-saving modes include Sleep, Stop, and Standby modes.
- Does the STM32F101CBT6 support debugging interfaces?
Yes, it supports serial wire debug (SWD) and JTAG interfaces.
- What types of timers are included in the STM32F101CBT6?
It includes three 16-bit timers, two watchdog timers, and a SysTick timer.
- What are some common applications of the STM32F101CBT6?
Common applications include application control, medical and handheld equipment, PC peripherals, gaming and GPS platforms, and various industrial applications.
