NXP LPC11U68JBD64K ARM Cortex-M0+ MCU, 256KB Flash, 48 I/O, USB, 64LQFP
NXP LPC11Uxx series, ARM Cortex-M0+ 50MHz, 256KB Flash, 36KB RAM, 4KB EEPROM, 48 I/O, USB OTG/I2C/SPI/SSP/UART, 2.4–3.6V supply, -40 to 105°C, 64-LQFP (10x10) Tray, ROHS3 Active.
- 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
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- MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
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Specifications
| Parameter | Value |
|---|---|
| Series | LPC11Uxx |
| Mounting type | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2.4V ~ 3.6V |
| Operating temperature | -40°C~105°C(TA) |
| Speed | 50MHz |
| Package | Tray |
| RAM size | 36K x 8 |
| Core size | 32-Bit Single-Core |
| EEPROM size | 4K x 8 |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | I²C, Microwire, SmartCard, SPI, SSP, UART/USART, USB |
| Number of i (O) | 48 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 64-LQFP |
| Data converters | A/D 10x12b |
| Program memory size | 256KB (256K x 8) |
Frequently asked questions
Is there a pin-compatible second source for the LPC11U68JBD64K?
No official cross-reference or second-source order code is cited in the available ledger. The 64-LQFP pinout is specific to the LPC11Uxx sub-family; any substitute would need firmware and layout review.
Does the 105°C temperature rating on this part make it the right choice over the 85°C-rated LPC1316FHN33?
If the MCU operates in an enclosed panel or near a thermal hotspot that can exceed 85°C ambient, the 105°C rating on the LPC11U68JBD64K is the deciding spec. For open-panel or thermally managed environments, the 85°C parts are viable. The tradeoff is clock speed: the 72 MHz Cortex-M3 on the LPC1316FHN33 outperforms the 50 MHz Cortex-M0+ on pure compute — firmware architecture determines whether that delta matters for your application.