Texas Instruments LM3S5656-EQN80-C0T Microcontrollers
32-bit ARM Cortex M3 RISC microcontroller featuring 128KB Flash program memory and 32KB RAM.

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM3S5656-EQN80-C0T
Series
Base Model
Detailed Description
32-bit ARM Cortex M3 RISC microcontroller featuring 128KB Flash program memory and 32KB RAM. Operates at up to 80 MHz with a 32-bit data bus. Offers 33 programmable I/Os and multiple interfaces including CAN, I2C, UART, and USB. Housed in a 48-pin LQFP package with gull-wing leads for surface mounting. Supports a wide operating voltage range of 1.2V to 3.3V and operates from -40°C to 105°C.
Package
LQFP
Key Features
Package: LQFP
Lifecycle Status
Active
Datasheet
LM3S5656-EQN80-C0T Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM3S5656-EQN80-C0T Microcontrollers technical specifications.
General
RAM Size
32KB
Data Bus Width
32bit
Number of Pins
48
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°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 (LM3S5656-EQN80-C0T vs LM3S5656-IQR80-C5T vs LM3S5656-IQR80-C3T vs LM3S5656-IQR80-C3)
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 ~ 105°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 | 128KB | 128KB (128K x 8) | 128KB (128K x 8) | 128KB (128K 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 | -- | CANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG | CANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG | CANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG |
| Data Converters | -- | A/D 8x10b | A/D 8x10b | A/D 8x10b |
| Number of I/O | -- | 33 | 33 | 33 |
| Action |
Texas Instruments LM3S5656-EQN80-C0T Microcontrollers Overview
32-bit ARM Cortex M3 RISC microcontroller featuring 128KB Flash program memory and 32KB RAM. Operates at up to 80 MHz with a 32-bit data bus. Offers 33 programmable I/Os and multiple interfaces including CAN, I2C, UART, and USB. Housed in a 48-pin LQFP package with gull-wing leads for surface mounting.
Supports a wide operating voltage range of 1.2V to 3.3V and operates from -40°C to 105°C.
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