STM32L151RBH6D

Microcontrollers Overview

The STM32L151RBH6D is a 32-bit microcontroller from the STMicroelectronics STM32L1 series, based on the ARM Cortex-M3 core. It features up to 128 Kbytes of Flash memory and 32 Kbytes of SRAM. The device operates at a maximum frequency of 32 MHz and supports a supply voltage range of 1.65 V to 3.6 V. It integrates USB connectivity, multiple timers, ADCs, DACs, and comparators. The component is housed in a 64-pin TFBGA package with dimensions of 5 mm x 5 mm.

Microcontrollers Feature Summary

• Ultra-low-power platform optimized for battery-operated applications
• Integrated ARM Cortex-M3 32-bit RISC core with Memory Protection Unit
• Comprehensive analog peripherals including ADC, DAC, and operational amplifiers
• Built-in LCD controller with voltage generator for display driving

Microcontrollers Applications

• Smart metering and utility monitoring systems
• Portable medical devices requiring low power consumption
• Industrial control panels with LCD interfaces
• Wearable electronics and health monitoring gadgets

Microcontrollers Procurement Notes

Verify the specific suffix 'D' against official STMicroelectronics documentation to confirm temperature grade and packaging specifications. Ensure compatibility with design-in requirements by checking pinout definitions and electrical characteristics in the latest datasheet. Confirm RoHS compliance status as per current manufacturing standards before finalizing procurement orders.

Microcontrollers Selection Notes

Select this MCU for designs requiring a balance of processing performance and energy efficiency. The integrated USB interface simplifies communication needs without external components. Consider the available I/O count and peripheral set against application constraints. Evaluate the package size relative to PCB space limitations and thermal management requirements for the target environment.

Microcontrollers Part Context

This component belongs to the STM32L1xx6/8/B-A family of ultra-low-power microcontrollers. The family shares common architectural features such as the Cortex-M3 core and similar peripheral sets, differing primarily in memory size, package type, and pin count. This specific part represents a mid-range configuration within the B-series offerings.

Microcontrollers Replacement Considerations

Check for direct substitutes within the STM32L1 series with matching pinouts and memory sizes. Verify functional equivalence if upgrading to newer generations like the STM32L4 or STM32U5, noting potential software migration efforts due to architectural differences.