The 50 MHz Cortex-M0 core delivers enough throughput for a UART-to-SPI gateway or a Modbus RTU slave. The 8 KB Flash and 2 KB RAM limit firmware size and buffer capacity.

NXP LPC1111JHN33/203E ARM Cortex-M0 MCU, 50 MHz, 8 KB Flash
MPNLPC1111JHN33/203E
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NXP LPC1100XL series, LPC1111JHN33/203E, 32-bit ARM Cortex-M0 MCU, 50 MHz, 8 KB Flash, 2 KB RAM, 28 I/O, I²C/SPI/UART, 8-ch 10-bit ADC, 1.8 V to 3.6 V, -40 to 105 °C, 32-HVQFN exposed pad.
$2.3943Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | LPC1100XL |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C~105°C(TA) |
| Speed | 50MHz |
| Package | Tray |
| 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 | 8KB (8K x 8) |
Product details
Frequently asked questions
What is the core architecture of LPC1111JHN33/203E?
It uses a 32-bit ARM Cortex-M0 single-core processor running at 50 MHz.
Does LPC1111JHN33/203E support I2C communication?
Yes, the connectivity set includes I²C, SPI, and UART/USART interfaces.
What is LPC1111JHN33/203E's listed speed?
The core is rated at 50 MHz.