LPC11U68JBD64K
Overview
The LPC11U68JBD64K is an ARM Cortex-M0+ based microcontroller designed for entry-level applications requiring high flash density and integrated USB connectivity. Operating at speeds up to 50 MHz, it features 256 KB of Flash and 4 KB of on-chip EEPROM for persistent data storage without external components. This device is specifically optimized for low-power operation and efficient USB communication through its integrated crystal-less USB controller.
Why Choose This Part
The inclusion of 4 KB of true integrated EEPROM significantly reduces system complexity and PCB area by eliminating external memory ICs. Its AHB multilayer matrix and DMA controller provide high-throughput data movement without taxing the CPU, while the crystal-less USB mode simplifies oscillator circuitry.
Applications
Getting Started
Development is supported by NXP's MCUXpresso IDE and the LPCOpen software libraries which provide driver support for all peripherals. Engineers can utilize Serial Wire Debug (SWD) for real-time debugging and the Micro Trace Buffer (MTB) for instruction tracing. The chip supports In-System Programming (ISP) via USB or UART for easy firmware deployment.
LPC11 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Flash | RAM | I/O Pins | ADC/DAC | Connectivity | Peripherals | Stock |
|---|---|---|---|---|---|---|---|
| LPC11U68JBD64K (this part) | — | — | — | — | — | — | 4,246 |
| LPC11C14FBD48/30EL (NXP USA Inc.) | 32KB | 8K | 40 | A/D 8x10b SAR | CANbus, I2C, Micro.. | Brown-out Detect/R.. | 3,358 |
| LPC11C24FBD48/30EL (NXP USA Inc.) | 32KB | 8K | 36 | A/D 8x10b SAR | CANbus, I2C, Micro.. | Brown-out Detect/R.. | 2,802 |
| LPC11U34FBD48/421, (NXP USA Inc.) | 48KB | 10K | 40 | A/D 8x10b | I2C, Microwire, Sm.. | Brown-out Detect/R.. | 953 |
| LPC11U67JBD48E | 128KB | 20K | 34 | A/D 8x12b | I2C, Microwire, SP.. | Brown-out Detect/R.. | 3,717 |
