Texas Instruments LM3S1937-IQC80-A2T Microcontrollers
32-bit ARM Cortex M3 RISC microcontroller featuring an 80 MHz clock rate and 256KB Flash program memory.

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Technical Specifications
Texas Instruments LM3S1937-IQC80-A2T Microcontrollers technical specifications.
General
Alternate Parts Comparison (LM3S1937-IQC80-A2T vs LM3S1937-EQC50-A2 vs LM3S1937-IBZ50-A2T vs LM3S1937-EQC50-A2T)
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 ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) |
| RAM Size | 64KB | 64K x 8 | 64K x 8 | 64K 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 | -- | 2.25V ~ 2.75V | 2.25V ~ 2.75V | 2.25V ~ 2.75V |
| 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, Microwire, SPI, SSI, UART/USART | I²C, IrDA, Microwire, SPI, SSI, UART/USART | I²C, IrDA, Microwire, SPI, SSI, UART/USART |
| Data Converters | -- | A/D 4x10b | A/D 4x10b | A/D 4x10b |
| Number of I/O | -- | 56 | 56 | 56 |
| Action |
Texas Instruments LM3S1937-IQC80-A2T Microcontrollers Overview
32-bit ARM Cortex M3 RISC microcontroller featuring an 80 MHz clock rate and 256KB Flash program memory. This MCU includes 64KB RAM, 56 programmable I/Os, and 5 timers. It supports I2C, SSI, and UART interfaces, with 1 I2C and 2 UART modules. Packaged in a 100-pin LQFP (Low Profile Quad Flat Package) with a 0.5mm pin pitch, this surface-mount component operates from 2.75V to 3.6V and has an operating temperature range of -40°C to 85°C.