Device Overview
LPC1768FBD100K is an active NXP LPC1768 orderable variant in the 100-lead LQFP package. It combines a 100 MHz Arm Cortex-M3 core with 512 kB Flash, 64 kB SRAM, Ethernet, USB 2.0 full-speed Host/Device/OTG, dual CAN, and a broad mixed-signal peripheral set.
Key Selection Information
| Parameter | Verified Information |
|---|---|
| Manufacturer | NXP Semiconductors |
| Exact MPN | LPC1768FBD100K |
| CPU | Arm Cortex-M3, up to 100 MHz |
| Flash | 512 kB |
| SRAM | 64 kB |
| Supply | Single 3.3 V rail, 2.4 V to 3.6 V operating range |
| Connectivity | Ethernet MAC, USB 2.0 full-speed Host/Device/OTG, 2 CAN channels, 4 UARTs, SPI/SSP, 3 I2C interfaces, I2S |
| Analog | 8-channel 12-bit ADC and 10-bit DAC |
| GPIO | Up to 70 general-purpose I/O |
| Package | LQFP100, SOT407-1, 14 mm x 14 mm body |
| Exact K ordering variant | Active; NXP lists the K orderable under the same LQFP100 package |
Engineering Selection Notes
The value of LPC1768 is its peripheral density, not just the 100 MHz CPU headline. Ethernet, USB Host/Device/OTG, dual CAN, multiple UART/I2C/SPI interfaces, ADC/DAC, motor-control PWM, and quadrature-encoder support can reduce the need for external interface ICs, but the exact pin multiplexing must be checked before the PCB is frozen.
512 kB Flash and 64 kB SRAM should be evaluated together with the intended protocol stack. Ethernet, USB host operation, file systems, RTOS objects, and application buffers can consume RAM quickly even when program Flash is still available. Firmware memory budgeting is therefore a real selection axis for this device.
The exact FBD100K suffix is also a procurement detail. NXP lists LPC1768FBD100K as an active LQFP100 orderable variant; the K suffix is a packing/orderable distinction rather than a different MCU core or pinout. Replacement work should still match the exact order code so tray quantity and logistics do not get mixed with electrical compatibility.
Official Engineering Resources
- NXP LPC1768FBD100 product page -exact package family, active status, features, datasheet, and package/quality data.
- NXP LPC1768FBD100K material/orderable record -exact K orderable identification and LQFP100 package record.
Quality & Verification Support
Third-party inspection or testing can be arranged according to customer requirements. Testing fees are borne by the buyer. Additional verification requirements can be discussed before shipment.
Request a Quote
For LPC1768FBD100K sourcing, provide the required quantity, destination, target Date Code if applicable, and any inspection or testing requirements.
