Stellaris Family of ARM® Cortex™-M3 microcontrollers featuring 256K bytes of single-cycle industrial-grade flash memory, coupled with 64K bytes of onboard single-cycle SRAM.
Summarized Features
| SRAM (KB) | Ethernet MAC/PHY | CAN | UARTs | GPIOs | SSI | I2C | Analog Comparators | ADC Channels | PWM Pins | |
|---|---|---|---|---|---|---|---|---|---|---|
| LM3S9B96 | 96 | √ | 2 | 3 | 65 | 2 | 2 | 3 | 16 | 8 |
| LM3S9B95 | 96 | √ | 2 | 3 | 65 | 2 | 2 | 3 | 16 | 8 |
| LM3S9B92 | 96 | √ | 2 | 3 | 65 | 2 | 2 | 3 | 16 | 8 |
| LM3S9B90 | 96 | √ | 2 | 3 | 60 | 2 | 2 | 3 | 16 | – |
| LM3S9B81 | 96 | √ | 2 | 3 | 0-65 | 2 | 2 | 3 | 16 | – |
| LM3S9997 | 64 | √ | 2 | 3 | 0-60 | 2 | 2 | 2 | 16 | 6 |
| LM3S8971 | 64 | √ | 1 | 1 | 4-38 | 1 | - | 1 | 8 | 6 |
| LM3S8970 | 64 | √ | 3 | 2 | 17-46 | 2 | 1 | - | – | – |
| LM3S8962 | 64 | √ | 1 | 2 | 5-42 | 1 | 1 | 1 | 4 | 6 |
| LM3S8938 | 64 | √ | 1 | 3 | 3-38 | 1 | 2 | 3 | 8 | - |
| LM3S8933 | 64 | √ | 1 | 2 | 6-36 | 1 | 1 | 3 | 4 | - |
| LM3S8930 | 64 | √ | 2 | 1 | 13-34 | 1 | 1 | - | - | - |
| LM3S6965 | 64 | √ | – | 3 | 0-42 | 1 | 2 | 2 | 4 | 6 |
| LM3S6952 | 64 | √ | – | 3 | 6-43 | 1 | 1 | 3 | 3 | 4 |
| LM3S6950 | 64 | √ | - | 3 | 1-46 | 2 | 1 | 3 | - | 6 |
| LM3S6938 | 64 | √ | – | 3 | 7-38 | 1 | 1 | 3 | 8 | – |
| LM3S6918 | 64 | √ | - | 2 | 5-38 | 2 | 2 | 2 | 8 | - |
| LM3S6911 | 64 | √ | - | 3 | 10-46 | 2 | 2 | 2 | - | - |
| LM3S5R36 | 48 | – | 1 | 3 | 0-33 | 2 | 2 | 2 | 8 | 8 |
| LM3S5R31 | 48 | – | 1 | 3 | 0-67 | 2 | 2 | 2 | 16 | 8 |
| LM3S5B91 | 96 | – | 2 | 3 | 71 | 2 | 2 | 3 | 16 | 8 |
| LM3S5956 | 64 | – | 1 | 3 | 0-33 | 2 | 2 | 2 | 8 | 6 |
| LM3S5951 | 64 | – | 2 | 3 | 0-67 | 2 | 2 | 2 | 16 | 6 |
| LM3S3826 | 32 | – | – | 3 | 0-33 | 2 | 2 | 2 | 8 | – |
| LM3S2B93 | 96 | – | 2 | 3 | 60 | 2 | 2 | 3 | 16 | 8 |
| LM3S2965 | 64 | – | 2 | 3 | 3-56 | 2 | 2 | 3 | 4 | 6 |
| LM3S2950 | 64 | – | 2 | 3 | 10-60 | 2 | 1 | 3 | – | 6 |
| LM3S2948 | 64 | – | 2 | 3 | 12-52 | 2 | 1 | 3 | 8 | – |
| LM3S2939 | 64 | – | 1 | 3 | 18-57 | 1 | 1 | 3 | 3 | 4 |
| LM3S2918 | 64 | – | 1 | 2 | 15-52 | 2 | 2 | 2 | 8 | - |
| LM3S2911 | 64 | – | 1 | 3 | 21-60 | 2 | 2 | 2 | - | - |
| LM3S1R26 | 48 | – | – | 3 | 0-33 | 2 | 2 | 2 | 8 | – |
| LM3S1B21 | 128 | – | – | 3 | 0-67 | 2 | 2 | 2 | 8 | – |
| LM3S1968 | 64 | – | - | 3 | 5-52 | 2 | 2 | 3 | 8 | 6 |
| LM3S1960 | 64 | – | - | 3 | 7-60 | 2 | 2 | 3 | - | 6 |
| LM3S1958 | 64 | – | - | 3 | 21-52 | 2 | 2 | - | 8 | - |
| LM3S1937 | 64 | – | - | 2 | 27-56 | 1 | 1 | 1 | 4 | 6 |
| LM3S1918 | 64 | – | - | 2 | 17-52 | 2 | 2 | 2 | 8 | - |
| LM3S1911 | 64 | – | - | 3 | 21-60 | 2 | 2 | 2 | - | - |
| LM3S1850 | 32 | – | - | 2 | 17-56 | 1 | 1 | 3 | - | 6 |
| LM3S1816 | 32 | – | – | 3 | 0-33 | 2 | 2 | 2 | 8 | – |
| LM3S1811 | 32 | – | – | 3 | 0-67 | 2 | 2 | 2 | 8 | – |
Kits
Reference Design Kits accelerate product development by 
providing ready-to-run
hardware, and comprehensive documentation including hardware
design files.
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Evaluation Kits
provide a low cost and effective means of evaluating our microcontrollers before purchase.
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Development Kits provide you with all the tools you 
need to develop and prototype embedded applications right out of the box.
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