Texas Instruments Stellaris ARM Cortex-M3S 600 series LM3S618-IQN50, 32-bit ARM Cortex-M3 MCU, 50MHz, 32KB Flash, 8K x 8 RAM, 30 I/O, 6x10b ADC, 3V~3.6V supply, -40°C~85°C, 48-LQFP (7x7).
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 600 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 3V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 50MHz |
| Package | Tray |
| RAM size | 8K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | Microwire, QEI, SPI, SSI, UART/USART |
| Number of i (O) | 30 |
| Core processor | ARM® Cortex®-M3 |
| Case | 48-LQFP |
| Data converters | A/D 6x10b |
| Program memory size | 32KB (32K x 8) |
The 30 GPIO lines and 6-channel 10-bit ADC give enough headroom for a modest sensor suite or a keypad-and-LED panel.
Texas Instruments lists this part as obsolete.
Not specified for automotive under-hood or extended 105°C+ environments.
No official replacement order code is published for the LM3S618-IQN50. A pin-compatible migration within the Stellaris Cortex-M3 48-LQFP family is the practical path, but each variant's Flash/RAM/peripheral set must be verified against the application requirements.