NXP LPC11Uxx series 32-bit ARM Cortex-M0 MCU, 50 MHz, 40 KB Flash, 8 KB RAM, 4 KB EEPROM, USB 2.0, I²C/SPI/UART, 40 GPIO, 8x10-bit ADC, -40 to 85 °C, 48-LQFP.
| 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 (TA) |
| Speed | 50MHz |
| Package | Tray |
| RAM size | 8K 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) | 40 |
| Core processor | ARM® Cortex®-M0 |
| Case | 48-LQFP |
| Data converters | A/D 8x10b |
| Program memory size | 40KB (40K x 8) |
It remains in NXP's current production portfolio. The ROHS3 compliance covers EU and global regulatory requirements without exemption paperwork.
Connectivity includes I²C, SPI/SSP, UART/USART, and USB with SmartCard interface. The 40 GPIO pins in the 48-LQFP package support parallel buses.
No — the LPC11U34FBD48/311 carries an Active lifecycle status from NXP. No discontinuation notice or last-time-buy has been issued.
The device is rated for -40°C to 85°C ambient, which covers industrial and commercial environments but not extended-temperature or under-hood automotive applications.
No — an internal oscillator is included on-chip. For USB operation, the internal oscillator must be trimmed or an external crystal used to meet USB clock tolerance.