NXP LPC1100L series 32-bit ARM Cortex-M0 MCU, LPC1112FHN33/102551, 50 MHz, 16 KB Flash, 2K x 8 RAM, 28 I/O, 8x10-bit ADC, I²C/SPI/UART, -40°C to 85°C, 32-HVQFN.
| Parameter | Value |
|---|---|
| Series | LPC1100L |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 50MHz |
| Package | Bulk |
| RAM size | 2K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, POR, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of i (O) | 28 |
| Core processor | ARM® Cortex®-M0 |
| Case | 32-VQFN Exposed Pad |
| Data converters | A/D 8x10b |
| Program memory size | 16KB (16K x 8) |
Internal oscillator included.
The brown-out detect and POR circuits keep the MCU from locking up during a sagging supply, which matters when the panel shares a branch circuit with a contactor coil. Watch the 2K x 8 RAM: it is tight for buffered UART streams, so plan your packet sizes accordingly.
The core runs at 50 MHz, which is the standard speed grade for this LPC1100L entry-level Cortex-M0 part.