Overview
The LPC553x is an ARM Cortex-M33 based microcontroller for embedded applications. These devices include up to 256 KB on-chip flash, up to 128 KB of on-chip SRAM, FlexSPI with cache, USB Full-Speed device with crystal-less operation, USB Full-Speed Host, CAN FD, five general-purpose timers, one SCTimer/PWM, one RTC/alarm timer, one 24-bit Multi-Rate Timer (MRT), a Windowed Watchdog Timer (WWDT), Code Watchdog Timer, one OS Timer, one Micro-tick timer, eight flexible serial communication peripherals (Flexcomm Interfaces - which can be configured as a USART, SPI, high speed SPI, I2C, or I2S interface), one DMIC, one I3C interface, four 16-bit 2.0 Msamples/sec (four 12-bit 3.2 Msamples/sec) ADC capable of four simultaneous conversions, four comparators, two temperature sensors, three 12-bit 1 Msample/sec DAC, 3 OpAmps, two FlexPWM timers, and two QEIs.
- ARM® Cortex-M33 core (r0p4):; Running at a frequency of up to 150 MHz.; Integrated digital signal processing (DSP) instructions.; Floating Point Unit (FPU) and Memory Protection Unit (MPU).; ARM Cortex M33 built-in Nested Vectored Interrupt Controller (NVIC).; Non-maskable Interrupt (NMI) input with a selection of sources.; Serial Wire Debug with eight breakpoints and four watch points. Includes Serial Wire Output for enhanced debug capabilities and trace (ETM).; System tick timer.
- A hardware DSP accelerator for fixed and floating point DSP functions (PowerQuad). PowerQuad uses a bank of four dedicated 4 KB SRAMs
- On-chip memory:; Up to 256 KB on-chip flash program memory, with flash accelerator and 512 byte page erase and write, coupled w
