Texas Instruments Stellaris LM3S1435-EQC50-A2, ARM Cortex-M3 32-bit MCU, 50 MHz, 96 KB Flash, 32 KB SRAM, 46 GPIO, I²C/SPI/SSI/UART, 2x10b ADC, 2.25-2.75 V supply, -40°C to 105°C, 100-LQFP tray.
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 1000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2.25V ~ 2.75V |
| Operating temperature | -40°C~105°C(TA) |
| Speed | 50MHz |
| Package | Tray |
| RAM size | 32K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | I²C, IrDA, Microwire, SPI, SSI, UART/USART |
| Number of i (O) | 46 |
| Core processor | ARM® Cortex®-M3 |
| Case | 100-LQFP |
| Data converters | A/D 2x10b |
| Program memory size | 96KB (96K x 8) |
The LM3S1435-EQC50-A2: 32-bit ARM Cortex-M3 microcontroller from the Stellaris series, runs at 50 MHz with 96 KB Flash and 32 KB SRAM.
At 50 MHz the Cortex-M3 can execute a single-cycle multiply and a hardware divide, which keeps a PID loop or a Modbus RTU frame handler inside a few microseconds. The 32 KB SRAM provides enough buffering for a couple of UART FIFOs and a small display frame buffer, but not for heavy graphics or large data logs.
The core runs at 50 MHz.