SIM3C156-B-GMR

Microcontrollers Overview

The Silicon Labs SIM3C156-B-GMR is a 32-bit ARM Cortex-M3 microcontroller featuring an 80 MHz maximum frequency. It includes 128 kB of Flash memory and 16 kB of SRAM, with 4 kB retention capability. The device operates within a supply voltage range of 1.8 V to 3.6 V (or up to 5.5 V with the regulator enabled) and supports temperatures from -40 °C to +85 °C. It utilizes a QFN-64 package.

Microcontrollers Feature Summary

• Features a high-performance 32-bit ARM Cortex-M3 CPU with single-cycle multiplication and hardware division support.
• Includes integrated analog peripherals such as dual 12-bit SAR ADCs and dual 10-bit current-mode DACs.
• Provides flexible I/O options including 5 V tolerant pins and programmable high-drive capabilities for direct peripheral control.

Microcontrollers Applications

• Industrial automation systems requiring precision sensing
• Smart metering applications utilizing low-power modes
• Motor control implementations using PWM and capture/compare timers

Microcontrollers Procurement Notes

Verify component authenticity through authorized distributors or official Silicon Labs channels. Confirm the specific ordering suffix matches the required package and temperature grade. Check for end-of-life status or recommended-not-for-new-designations in current product announcements before finalizing procurement plans.

Microcontrollers Selection Notes

Select this MCU when a balance of processing power and analog precision is required. Ensure the design accommodates the QFN-64 thermal requirements. Verify that the available GPIO count meets interface needs and confirm compatibility with existing development tools like Simplicity Studio.

Microcontrollers Part Context

This component belongs to the SiM3C1xx family of Precision32 MCUs. It shares architectural similarities with other members like the SIM3C166 but differs in memory capacity. The family emphasizes low-power operation alongside high-speed processing capabilities for embedded control tasks.

Microcontrollers Replacement Considerations

Consult the official datasheet for cross-referencing within the SiM3C1xx series. Verify pinout compatibility and memory size differences when considering substitutes like the SIM3C166-B-GMR. No public substitute part numbers are confirmed in the provided documentation.