NXP LPC1112FD20/102,52, ARM Cortex-M0 32-bit MCU, 50 MHz, 16 KB Flash, 4 KB RAM, 20-SOIC, -40 to 85 °C.
| 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 | Tube |
| RAM size | 4K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, POR, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of i (O) | 16 |
| Core processor | ARM® Cortex®-M0 |
| Case | 20-SOIC (0.295\", 7.50mm Width) |
| Data converters | A/D 5x10b |
| Program memory size | 16KB (16K x 8) |
The 50 MHz core speed handles polling loops, timer-based state machines, and moderate data rates from the UART or SPI without stalling.
16 KB of Flash and 4 KB of SRAM are the hard constraints for firmware size and runtime data. A typical bootloader plus a Modbus stack with a handful of holding registers fits comfortably.
No official pin-compatible second source or successor is recorded for this part. The LPC1100L series includes other density options in the same package, but pin compatibility should be verified against the specific device datasheets.
The LPC1112FD20/102,52 is rated for a 50 MHz core clock on the ARM Cortex-M0 processor.