LPC43S20 datasheet(1/156 Pages) NXP

Part #	LPC43S20

Description	32-bit ARM Cortex-M4/M0 flashless MCU with security features; up to 264 kB SRAM, Ethernet; two HS USBs, AES engine, LCD, EMC, SPIFI

PDF	156 Pages

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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1. General description

The LPC43S50/S30/S20 are ARM Cortex-M4 based microcontrollers for embedded

applications which include an ARM Cortex-M0 coprocessor, up to 264 kB of SRAM,

security features with AES engine, advanced configurable peripherals such as the State

Configurable Timer/PWM (SCTimer/PWM) and the Serial General-Purpose I/O (SGPIO)

interface, two High-speed USB controllers, Ethernet, LCD, an external memory controller,

and multiple digital and analog peripherals. The LPC43S50/S30/S20 operate at CPU

frequencies of up to 204 MHz.

The ARM Cortex-M4 is a 32-bit core that offers system enhancements such as low power

consumption, enhanced debug features, and a high level of support block integration. The

ARM Cortex-M4 CPU incorporates a 3-stage pipeline, uses a Harvard architecture with

separate local instruction and data buses as well as a third bus for peripherals, and

includes an internal prefetch unit that supports speculative branching. The ARM

Cortex-M4 supports single-cycle digital signal processing and SIMD instructions. A

hardware floating-point unit is integrated in the core.

The ARM Cortex-M0 coprocessor is an energy-efficient and easy-to-use 32-bit core which

is code- and tool-compatible with the Cortex-M4 core. The Cortex-M0 coprocessor offers

up to 204 MHz performance with a simple instruction set and reduced code size. In

LPC43Sx0, the Cortex-M0 coprocessor hardware multiply is implemented as a 32-cycle

iterative multiplier.

See Section 17 “References” for additional documentation.

2. Features and benefits



Cortex-M4 Processor core



ARM Cortex-M4 processor, running at frequencies of up to 204 MHz.



Built-in Memory Protection Unit (MPU) supporting eight regions.



Built-in Nested Vectored Interrupt Controller (NVIC).



Hardware floating-point unit.



Non-maskable Interrupt (NMI) input.



JTAG and Serial Wire Debug (SWD), serial trace, eight breakpoints, and four watch

points.



Enhanced Trace Module (ETM) and Enhanced Trace Buffer (ETB) support.



System tick timer.

LPC43S50/S30/S20

32-bit ARM Cortex-M4/M0 flashless MCU with security

features; up to 264 kB SRAM, Ethernet; two HS USBs, AES

engine, LCD, EMC, SPIFI

Rev. 1.3 — 20 January 2020

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