Texas Instruments LM3S1W16-IQN20-C0 Microcontrollers
32-bit ARM Cortex M3 RISC microcontroller featuring 32KB Flash program memory and 8KB RAM.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments LM3S1W16-IQN20-C0 Microcontrollers technical specifications.
General
Alternate Parts Comparison (LM3S1W16-IQN20-C0 vs LM3S1W16-IQR50-C3 vs LM3S1W16-IQR50-C0 vs LM3S1W16-IQR50-C0T)
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 | 8KB | 8K x 8 | 8K x 8 | 8K x 8 |
| Program Memory Size | 32KB | 32KB (32K x 8) | 32KB (32K x 8) | 32KB (32K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Package / Case | -- | 64-LQFP | 64-LQFP | 64-LQFP |
| Supply Voltage | -- | 1.08V ~ 1.32V | 1.08V ~ 1.32V | 1.08V ~ 1.32V |
| 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 | -- | I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART | I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART | I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART |
| Data Converters | -- | A/D 8x10b | A/D 8x10b | A/D 8x10b |
| Number of I/O | -- | 33 | 33 | 33 |
| Action |
Texas Instruments LM3S1W16-IQN20-C0 Microcontrollers Overview
32-bit ARM Cortex M3 RISC microcontroller featuring 32KB Flash program memory and 8KB RAM. Operates at a maximum clock rate of 20 MHz with 33 programmable I/Os. Includes 3 timers and I2C/SSI/UART interfaces, with 2 I2C and 3 UART peripherals. Housed in a 48-pin LQFP (Low Profile Quad Flat Package) with a 0.5mm pin pitch, suitable for surface mounting.
Supports a supply voltage range of 1.32V to 3.6V and operates from -40°C to 85°C.