Overview
The STM32F100RBH6B is a microcontroller from STMicroelectronics, part of the STM32F100x series. It incorporates the high-performance ARM® 32-bit Cortex®-M3 CPU, operating at a maximum frequency of 24 MHz and delivering 1.25 DMIPS/MHz (Dhrystone 2.1) performance. This microcontroller features high-speed embedded memories, including up to 128 Kbytes of Flash memory and up to 8 Kbytes of SRAM. It also includes an extensive range of enhanced peripherals and I/Os connected to two APB buses, making it suitable for a wide range of applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 24 MHz |
| Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) |
| Flash Memory | 16 to 128 Kbytes |
| SRAM | 4 to 8 Kbytes |
| Supply Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40 to +85 °C (or +105 °C for some models) |
| Package | TFBGA64, LQFP64, LQFP48, etc. |
| I/O Ports | Up to 80 fast I/O ports, 37/51/80 I/Os |
| ADC | 1 × 12-bit, 1.2 μs A/D converter (up to 16 channels) |
| DAC | 2 × 12-bit D/A converters |
| Timers | Up to 12 timers, including advanced-control timers |
| Communication Interfaces | Up to two I2C, two SPI, three USART, and one HDMI CEC |
Key Features
- Single-cycle multiplication and hardware division
- Clock, reset, and supply management with POR, PDR, and programmable voltage detector (PVD)
- Internal 8 MHz factory-trimmed RC and 40 kHz RC oscillators
- PLL for CPU clock and 32 kHz oscillator for RTC with calibration
- Low power modes: Sleep, Stop, and Standby
- VBAT supply for RTC and backup registers
- Serial wire debug (SWD) and JTAG interfaces
- 7-channel DMA controller supporting timers, ADC, SPIs, I2Cs, USARTs, and DACs
- Up to 80 fast I/O ports, with 37/51/80 I/Os mappable on 16 external interrupt vectors
Applications
- 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 of the STM32F100RBH6B microcontroller?
The core is the ARM® 32-bit Cortex®-M3 CPU. - What is the maximum frequency of the STM32F100RBH6B?
The maximum frequency is 24 MHz. - How much Flash memory does the STM32F100RBH6B have?
The Flash memory ranges from 16 to 128 Kbytes. - What are the operating temperature ranges for the STM32F100RBH6B?
The operating temperature ranges are –40 to +85 °C (or +105 °C for some models). - What types of communication interfaces are available on the STM32F100RBH6B?
The microcontroller includes up to two I2C, two SPI, three USART, and one HDMI CEC interfaces. - Does the STM32F100RBH6B support low power modes?
Yes, it supports Sleep, Stop, and Standby modes. - What is the purpose of the VBAT supply in the STM32F100RBH6B?
The VBAT supply is for the RTC and backup registers. - What debug interfaces are available on the STM32F100RBH6B?
The microcontroller supports serial wire debug (SWD) and JTAG interfaces. - How many DMA channels does the STM32F100RBH6B have?
The microcontroller has a 7-channel DMA controller. - What types of timers are available on the STM32F100RBH6B?
The microcontroller includes up to 12 timers, including advanced-control timers.
