Texas Instruments LM3S1811-IQR50-C0T Microcontrollers
32-bit ARM Cortex M3 RISC microcontroller featuring 256KB Flash program memory and 32KB RAM.

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM3S1811-IQR50-C0T
Series
Base Model
Detailed Description
32-bit ARM Cortex M3 RISC microcontroller featuring 256KB Flash program memory and 32KB RAM. Operates at a maximum clock rate of 50 MHz with 67 programmable I/Os. Includes 4 timers and multiple interface types: 2x I2C, 3x UART. Housed in a 64-pin LQFP (Low Profile Quad Flat Package) with a 0.5mm pin pitch, suitable for surface mounting. Operating temperature range from -40°C to 85°C.
Package
LQFP
Key Features
Package: LQFP
Lifecycle Status
Active
Datasheet
LM3S1811-IQR50-C0T Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM3S1811-IQR50-C0T Microcontrollers technical specifications.
General
RAM Size
32KB
Data Bus Width
32bit
Number of Pins
64
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Basic Package Type
Lead-Frame SMT
Package Family Name
QFP
Package
LQFP
Package Description
Low Profile Quad Flat Package
Lead Shape
Gull-wing
Alternate Parts Comparison (LM3S1811-IQR50-C0T vs LM3S1811-IQC50-C5 vs LM3S1811-IBZ50-C3T vs LM3S1811-IQC50-C5T)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| RAM Size | 32KB | 32K x 8 | 32K x 8 | 32K x 8 |
| Program Memory Size | 256KB | 256KB (256K x 8) | 256KB (256K x 8) | 256KB (256K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Package / Case | -- | 100-LQFP | 108-LFBGA | 100-LQFP |
| Supply Voltage | -- | 1.08V ~ 3.6V | 1.08V ~ 3.6V | 1.08V ~ 3.6V |
| Core Processor | -- | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | -- | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| Connectivity | -- | EBI/EMI, I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART | EBI/EMI, I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART | EBI/EMI, I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART |
| Data Converters | -- | A/D 8x10b | A/D 8x10b | A/D 8x10b |
| Number of I/O | -- | 67 | 67 | 67 |
| Action |
Texas Instruments LM3S1811-IQR50-C0T Microcontrollers Overview
32-bit ARM Cortex M3 RISC microcontroller featuring 256KB Flash program memory and 32KB RAM. Operates at a maximum clock rate of 50 MHz with 67 programmable I/Os. Includes 4 timers and multiple interface types: 2x I2C, 3x UART. Housed in a 64-pin LQFP (Low Profile Quad Flat Package) with a 0.5mm pin pitch, suitable for surface mounting.
Operating temperature range from -40°C to 85°C.
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.