NXP LPC11Uxx series 32-bit ARM Cortex-M0 MCU, 50 MHz, 128 KB Flash, 10 KB RAM, 4 KB EEPROM, USB 2.0, 54 I/O, 64-LQFP, -40 to 85 °C.
| Parameter | Value |
|---|---|
| Series | LPC11Uxx |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C~85°C |
| Speed | 50MHz |
| Package | Tray |
| RAM size | 10K x 8 |
| Core size | 32-Bit Single-Core |
| EEPROM size | 4K x 8 |
| Peripherals | Brown-out Detect/Reset, POR, WDT |
| Connectivity | I²C, Microwire, SmartCard, SPI, SSP, UART/USART, USB |
| Number of i (O) | 54 |
| Core processor | ARM® Cortex®-M0 |
| Case | 64-LQFP |
| Data converters | A/D 8x10b |
| Program memory size | 128KB (128K x 8) |
The LPC11U37FBD64/401,: The on-chip 4 KB EEPROM block stores calibration constants or configuration data without wearing the Flash, and the 8-channel 10-bit ADC handles analog inputs like potentiometer feedback or sensor conditioning.
It is a 32-bit ARM Cortex-M0 MCU with USB 2.0, serial interfaces, and 54 I/Os, suited for USB-to-serial bridges, HID peripherals, industrial control nodes, and sensor hubs.
Pin-compatible siblings exist across the LPC11Uxx density options (e.g., LPC11U37FBD64/401 vs. LPC11U35FBD64/401 with 64 KB Flash). Confirm firmware memory footprint before selecting a lower-density variant.