LPC1549 in NXP LPC Family
The LPC1549 series by NXP Semiconductors is a family of ARM Cortex-M3 based microcontrollers optimized specifically for high-efficiency motor control and power conversion. Operating at up to 72 MHz, these MCUs bridge the gap between digital signal controllers and general-purpose microcontrollers. They integrate specialized peripherals such as high-speed analog-to-digital converters, high-resolution PWMs, and a unique State Configurable Timer (SCTimer/PWM) block to handle complex timing and control tasks with minimal CPU intervention.
Variants in This Sub-Family
Comparing specs that differ across variants.
| Part Number | I/O Pins | Package | ADC/DAC | Stock |
|---|---|---|---|---|
| LPC1549JBD64QL (NXP USA Inc.) | 44 | LQFP-64 | A/D 24x12b | 1,275 |
| LPC1549JBD48QL (NXP USA Inc.) | 30 | LQFP-48 | A/D 16x12b | 347 |
The primary differences among LPC1549 variants involve physical packaging and pin density. The LPC1549JBD64QL offers 64 pins in a 10x10mm LQFP, providing more I/O flexibility and ADC channels compared to the LPC1549JBD48QL, which uses a 48-pin 7x7mm LQFP for space-constrained designs. Both variants maintain the same 256KB flash and 36KB SRAM memory map, ensuring software compatibility across different hardware footprints.
