Product Overview
The STM32F101RBT6 is a medium-density access line 32-bit microcontroller from STMicroelectronics, featuring an ARM Cortex-M3 core operating at up to 36 MHz. With 128 Kbytes of Flash memory and 16 Kbytes of SRAM in an LQFP-64 package, this device provides a balanced combination of performance, memory capacity, and peripheral integration. It includes a 12-bit ADC, multiple timers, and comprehensive communication interfaces, making it suitable for a wide range of industrial and consumer embedded applications.
Key Specifications
| Core | ARM Cortex-M3 32-bit |
| Maximum Frequency | 36 MHz |
| Flash Memory | 128 KB |
| SRAM | 16 KB |
| Package | LQFP-64 (10x10x1.4 mm) |
| Supply Voltage | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +85C |
| ADC | 1x 12-bit, up to 16 channels |
| DMA Channels | 7 |
| I/O Pins | 51 |
| Timers | 6 (3 general-purpose + 2 watchdog + SysTick) |
| Communication Interfaces | 2x I2C, 2x SPI, 3x USART |
Features
- ARM 32-bit Cortex-M3 CPU at 36 MHz, 1.25 DMIPS/MHz
- Single-cycle multiplication and hardware division
- 128 Kbytes Flash memory, 16 Kbytes SRAM
- 2.0 to 3.6 V application supply and I/Os
- POR, PDR and programmable voltage detector (PVD)
- 4-to-16 MHz crystal oscillator with internal 8 MHz factory-trimmed RC
- 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
- 1 x 12-bit, 1 us A/D converter (up to 16 channels) with temperature sensor
- 51 fast I/O ports, all mappable on 16 external interrupt vectors
- Three 16-bit general-purpose timers with IC/OC/PWM
- Two watchdog timers (Independent and Window)
- Up to 7 communication interfaces (I2C, SPI, USART)
- CRC calculation unit, 96-bit unique ID
- ECOPACK compliant, RoHS certified
Applications
- Application control and user interfaces
- Medical and hand-held equipment
- PC peripherals and gaming
- GPS platforms
- Industrial applications and PLCs
- Inverters and motor control
- Printers and scanners
- Alarm systems and video intercoms
- HVAC systems
- Consumer electronics