Texas Instruments Stellaris® ARM® Cortex®-M3S 100 series LM3S101-EQN20-C2, 32-Bit Single-Core MCU, 20MHz, 8KB Flash, 2K x 8 RAM, 18 I/O, 3V~3.6V, -40°C~105°C, 48-LQFP.
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 100 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 3V ~ 3.6V |
| Operating temperature | -40°C~105°C(TA) |
| Speed | 20MHz |
| Package | Tray |
| RAM size | 2K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | Microwire, SPI, SSI, UART/USART |
| Number of i (O) | 18 |
| Core processor | ARM® Cortex®-M3 |
| Case | 48-LQFP |
| Program memory size | 8KB (8K x 8) |
The LM3S101-EQN20-C2 is a 32-bit ARM Cortex-M3 microcontroller from the Stellaris® series, running at 20 MHz. It carries 8 KB of Flash program memory and 2 KB of SRAM, with 18 I/O lines.
The 48-LQFP package (7x7 mm) is a standard surface-mount footprint; the supply range is 3 V to 3.6 V.
The LM3S101-EQN20-C2 is rated for -40°C to 105°C, covering industrial and extended-temperature applications.
The supply voltage range is 3 V to 3.6 V, typically powered from a single 3.3 V rail.