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General description

The LPC43S5x/S3x are ARM Cortex-M4 based microcontrollers for embedded

applications which include an ARM Cortex-M0 coprocessor, up to 1 MB of flash and

136 kB of on-chip SRAM, 16 kB of EEPROM memory, security features with AES engine,

a quad SPI Flash Interface (SPIFI), advanced configurable peripherals such as the State

Configurable Timer (SCT) 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 LPC43S5x/S3x 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-M4 with

floating-point unit is often referred to as M4F.

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

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

coprocessor, designed as a replacement for existing 8/16-bit microcontrollers, offers up to

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

Features and benefits

? Cortex-M4 Processor core

? ARM Cortex-M4 processor (version r0p1), 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.

? Cortex-M0 Processor core

? ARM Cortex-M0 coprocessor (version r0p0) capable of off-loading the main ARM

Cortex-M4 application processor.

? Running at frequencies of up to 204 MHz.

? JTAG

? Built-in NVIC.

? On-chip memory

? Up to 1 MB on-chip dual bank flash memory with flash accelerator.

? 16 kB on-chip EEPROM data memory.

? 136 kB SRAM for code and data use.

? Multiple SRAM blocks with separate bus access. Two SRAM blocks can be

powered down individually.

? 64 kB ROM containing boot code and on-chip software drivers.

? 64 bit of One-Time Programmable (OTP) memory for general-purpose use.

? Two banks (256 bit total) One-Time Programmable (OTP) memory for AES key

storage. One bank can store an encrypted key for decoding the boot image.

? AES engine for encryption and decryption of the boot image and data with DMA

support and programmable via a ROM-based API.

? Configurable digital peripherals

? Serial GPIO (SGPIO) interface.

? State Configurable Timer (SCT) subsystem on AHB.

? Global Input Multiplexer Array (GIMA) allows to cross-connect multiple inputs and

outputs to event driven peripherals like the timers, SCT, and ADC0/1.

? Serial interfaces

? Quad SPI Flash Interface (SPIFI) with four lanes and up to 52 MB per second.

? 10/100T Ethernet MAC with RMII and MII interfaces and DMA support for high

throughput at low CPU load. Support for IEEE 1588 time stamping/advanced time

stamping (IEEE 1588-2008 v2).

? One High-speed USB 2.0 Host/Device/OTG interface with DMA support and

on-chip high-speed PHY.

? One High-speed USB 2.0 Host/Device interface with DMA support, on-chip

full-speed PHY and ULPI interface to external high-speed PHY.

? USB interface electrical test software included in ROM USB stack.

? One 550 UART with DMA support and full modem interface.

? Three 550 USARTs with DMA and synchronous mode support and a smart card

interface conforming to ISO7816 specification. One USART with IrDA interface.

? Up to two C_CAN 2.0B controllers with one channel each.

? Two SSP controllers with FIFO and multi-protocol support. Both SSPs with DMA

support.

? One SPI controller.

? One Fast-mode Plus I2C-bus interface with monitor mode and with open-drain I/O

pins conforming to the full I2C-bus specification. Supports data rates of up to

1 Mbit/s.

? One standard I2C-bus interface with monitor mode and with standard I/O pins.

? Two I2S interfaces, each with DMA support and with one input and one output.

? Digital peripherals

? External Memory Controller (EMC) supporting external SRAM, ROM, NOR flash,

and SDRAM devices.

? LCD controller with DMA support and a programmable display resolution of up to

1024 H ? 768 V. Supports monochrome and color STN panels and TFT color

panels; supports 1/2/4/8 bpp Color Look-Up Table (CLUT) and 16/24-bit direct

pixel mapping. Available on parts LPC4357/53 only.

? Secure Digital Input Output (SD/MMC) card interface.

? Eight-channel General-Purpose DMA controller can access all memories on the

AHB and all DMA-capable AHB slaves.

? Up to 164 General-Purpose Input/Output (GPIO) pins with configurable

pull-up/pull-down resistors.

? GPIO registers are located on the AHB for fast access. GPIO ports have DMA

support.

? Up to eight GPIO pins can be selected from all GPIO pins as edge and level

sensitive interrupt sources.

? Two GPIO group interrupt modules enable an interrupt based on a programmable

pattern of input states of a group of GPIO pins.

? Four general-purpose timer/counters with capture and match capabilities.

? One motor control Pulse Width Modulator (PWM) for three-phase motor control.

? One Quadrature Encoder Interface (QEI).

? Repetitive Interrupt timer (RI timer).

? Windowed watchdog timer (WWDT).

? Ultra-low power Real-Time Clock (RTC) on separate power domain with 256 bytes

of battery powered backup registers.

? Alarm timer; can be battery powered.

? Analog peripherals

? One 10-bit DAC with DMA support and a data conversion rate of 400 kSamples/s.

? Two 10-bit ADCs with DMA support and a data conversion rate of 400 kSamples/s.

Up to eight input channels per ADC.

? Unique ID for each device.

? Clock generation unit

? Crystal oscillator with an operating range of 1 MHz to 25 MHz.

? 12 MHz internal RC oscillator trimmed to 3 % accuracy over temperature and

voltage (1.5 % accuracy for Tamb = 0 °C to 85 °C).

? Ultra-low power Real-Time Clock (RTC) crystal oscillator.

? Three PLLs allow CPU operation up to the maximum CPU rate without the need for

a high-frequency crystal. The second PLL can be used with the High-speed USB,

the third PLL can be used as audio PLL.

? Clock output.

? Power

? Single 3.3 V (2.4 V to 3.6 V) power supply with on-chip DC-to-DC converter for the

core supply and the RTC power domain.

? RTC power domain can be powered separately by a 3 V battery supply.

? Four reduced power modes: Sleep, Deep-sleep, Power-down, and Deep

power-down.

? Processor wake-up from Sleep mode via wake-up interrupts from various

peripherals.

? Wake-up from Deep-sleep, Power-down, and Deep power-down modes via

external interrupts and interrupts generated by battery powered blocks in the RTC

power domain.

? Brownout detect with four separate thresholds for interrupt and forced reset.

? Power-On Reset (POR).

? Available as LQFP208, LQFP144, LBGA256, or TFBGA100 packages

Applications

? Motor control

? Embedded audio applications

? Power management

? Industrial automation

? White goods

? e-metering

? RFID readers