Overview
The STM32F100CBT7B is a microcontroller from STMicroelectronics, part of the STM32F100xx family. It features the high-performance ARM® 32-bit Cortex®-M3 CPU, operating at a maximum frequency of 24 MHz with a performance of 1.25 DMIPS/MHz (Dhrystone 2.1). This microcontroller is equipped with 128 Kbytes of Flash memory and up to 8 Kbytes of SRAM. It is designed for low- and medium-density applications and includes an extensive range of enhanced peripherals and I/Os connected to two APB buses.
The device operates within a temperature range of –40 to +105 °C and supports a power supply range of 2.0 to 3.6 V. It also includes various power-saving modes such as Sleep, Stop, and Standby, making it suitable for low-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | ARM® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 24 MHz |
| Flash Memory | Up to 128 Kbytes |
| SRAM | Up to 8 Kbytes |
| Supply Voltage | 2.0 to 3.6 V |
| Operating Temperature | –40 to +105 °C |
| Package Type | LQFP 48 7x7x1.4 mm |
| RoHS Compliance | Ecopack2 |
| Debug Interfaces | Serial wire debug (SWD) and JTAG |
Key Features
- ARM® 32-bit Cortex®-M3 CPU with single-cycle multiplication and hardware division
- Up to 128 Kbytes of Flash memory and up to 8 Kbytes of SRAM
- Clock, reset, and supply management with 2.0 to 3.6 V application supply and I/Os
- Power-on reset (POR), power-down reset (PDR), and programmable voltage detector (PVD)
- Internal 8 MHz factory-trimmed RC, internal 40 kHz RC, and PLL for CPU clock
- Low power modes: Sleep, Stop, and Standby
- VBAT supply for RTC and backup registers
- 7-channel DMA controller
- Peripherals supported: timers, ADC, SPIs, I2Cs, USARTs, and DACs
- 1 × 12-bit, 1.2 μs A/D converter (up to 16 channels) and 2 × 12-bit D/A converters
- Up to 80 fast I/O ports, 37/51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant
- Up to 12 timers including advanced-control PWM timers
- Up to eight communication interfaces: I2Cs, SPIs, USARTs, and HDMI CEC
Applications
The STM32F100CBT7B is suitable for a wide range of applications, including:
- Application control and user interfaces
- Medical and hand-held equipment
- PC and gaming peripherals
- GPS platforms
- Industrial applications, PLCs, inverters, printers, scanners
- Alarm systems, video intercoms, and HVACs
Q & A
- What is the core architecture of the STM32F100CBT7B?
The core architecture is based on the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F100CBT7B?
The maximum operating frequency is 24 MHz.
- How much Flash memory does the STM32F100CBT7B have?
The STM32F100CBT7B has up to 128 Kbytes of Flash memory.
- What is the operating temperature range of the STM32F100CBT7B?
The operating temperature range is –40 to +105 °C.
- What power-saving modes are available on the STM32F100CBT7B?
The device supports Sleep, Stop, and Standby modes.
- What debug interfaces are available on the STM32F100CBT7B?
The device supports serial wire debug (SWD) and JTAG interfaces.
- How many communication interfaces does the STM32F100CBT7B support?
The device supports up to eight communication interfaces, including I2Cs, SPIs, USARTs, and HDMI CEC.
- What types of timers are available on the STM32F100CBT7B?
The device includes up to 12 timers, including advanced-control PWM timers and basic timers.
- Is the STM32F100CBT7B RoHS compliant?
- What is the package type of the STM32F100CBT7B?
The package type is LQFP 48 7x7x1.4 mm.
