LM3S9B90-IQC80-C5

Microcontrollers Overview

The LM3S9B90-IQC80-C5 is a Stellaris microcontroller based on the ARM Cortex-M3 core. It features 256KB of flash memory and 96KB of SRAM, operating at a maximum clock frequency of 80MHz. The device includes an integrated 12-channel, 12-bit ADC, a μDMA controller, and multiple serial communication interfaces including UART, SPI, I2C, CAN, and USB OTG. It utilizes a 100-pin LQFP package with an operating temperature range of -40°C to +85°C.

Microcontrollers Feature Summary

• Integrates an ARM Cortex-M3 processor for high-performance instruction execution.
• Includes a Micro Direct Memory Access (μDMA) controller for efficient data transfer.
• Features a 12-bit Analog-to-Digital Converter (ADC) with hardware sample averaging.
• Supports mixed-signal applications through integrated analog peripherals.

Microcontrollers Applications

• Industrial control systems
• Medical instrumentation
• Consumer electronics

Microcontrollers Procurement Notes

Verify component authenticity against official Texas Instruments documentation. Confirm that the specific ordering suffix matches the required package type and temperature rating. Ensure compliance with RoHS directives and check for any relevant product discontinuance notices or lifecycle status updates before finalizing procurement plans.

Microcontrollers Selection Notes

Select this model when a balance of processing power and analog capabilities is required. The inclusion of USB OTG and CAN interfaces makes it suitable for connected devices. Evaluate the 80MHz performance against application latency requirements and ensure the 100-pin footprint fits the design constraints.

Microcontrollers Part Context

This component belongs to the Stellaris LM3S family of microcontrollers designed by Texas Instruments. These devices are built around the ARM Cortex-M3 architecture, providing a robust platform for embedded applications requiring real-time processing and extensive peripheral integration within a compact form factor.

Microcontrollers Replacement Considerations

Consult the official Stellaris Product Discontinuance document for confirmed substitute part numbers. Verify pin compatibility and software migration requirements before transitioning to alternative models within the same family.

Microcontrollers FAQ

What is the maximum operating speed of the LM3S9B90?

The device supports a maximum system clock frequency of 80MHz.

Does the LM3S9B90 include a hardware multiplier?

Yes, the ARM Cortex-M3 core integrates a dedicated hardware multiplier for fast arithmetic operations.