NXP’s New LPC32x0 ARM9 Microcontrollers Deliver Outstanding Performance with Low Power Consumption

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The LPC32x0 family, the latest in NXP Semiconductors’ expanding portfolio of advanced ARM9-based microcontrollers, delivers outstanding performance in a wide range of applications, including consumer, medical, industrial, automotive, network control and communications.

Built around a 90nm, 208MHz ARM926EJ-S CPU core, each LPC32x0 microcontroller also has a Vector Floating Point (VFP) coprocessor, an internal bus matrix and a large set of standard peripherals. The result is very fast processing with high integration and low power consumption.

The VFP coprocessor increases the speed of typical calculations by a factor of four to five in scalar mode, and much more in optimized vector mode. Advanced process technology optimizes each microcontroller’s intrinsic power and software-controlled features provide best-inclass power management.

Multiple interfaces for serial communications increase design flexibility provide larger buffer size and deliver higher processing power. Every LPC32x0 microcontroller has a USB interface that supports device, host and On-The-Go (OTG) operation.

There are four standard 16C550 UARTs (one supports IrDA), three high speed (up to 921,600bps) UARTs, two Fast I²C-bus (400Mbps) interfaces with slave, single, and multi-master support, two SPI/ SSP ports and a function for automatic keyboard scanning that supports 8 x 8 keys. There are also two I²S interfaces, each with separate input and output channels. Each channel can be operated independently on three pins, or, with only four pins, the input and output of one I²S interface can be used.

For debugging, LPC32x0 microcontrollers use a JTAG interface with a 2K x 24-bit emulation trace buffer and supports real-time emulation. NXP offers, through third-party suppliers, a range of development and evaluation tools for the LPC32x0 family.

 

FEATURES Each LPC32x0 microcontroller has up to 256Kb of internal SRAM and an external memory controller that supports DDR and SDR SDRAM, SRAM, Flash and static devices The external memory controller can boot-up from NAND Flash, SPI memory, a UART or SRAM On the LPC3230 and the LPC3250, there is also a flexible LCD controller that supports STN and TFT panels, has a dedicated DMA controller and offers programmable display resolution up to 1024 x 768 and up to 16 million colors The LPC3240 and LPC3250 have a 10/100 Ethernet MAC with a dedicated DMA controller Each LPC32x0 microcontroller has a 10-bit, 400kHz A/D converter with three channels and a touch screen interface, five 32-bit timers with capture/compare channels, a 32-bit timer driven by the real-time clock, eleven PWM channels and a Watchdog timer Real-time clock with a separate clock and power domain, a dedicated 32kHz oscillator, a Secure Digital (SD) interface and an integrated interrupt controller that supports up to 73 interrupt sources Data movement is managed by an eightchannel, general purpose DMA controller that can be used with SD ports, UARTs, I2S ports, SPI interfaces or memory-to-memory transfers A seven-layer, 32-bit, 104MHz AHB matrix provides a separate bus for each of the seven AHB masters (D-cache, I-cache, two DMA, Ethernet MAC, USB controller and LCD controller); this eliminates arbitration delays, except when two masters attempt to access the same slave at the same time An on-chip PLL lets the CPU operate up to its maximum rate without a high frequency crystal; a second PLL enables operation from the 32kHz real-time clock instead of the external crystal The core voltage supports 1.2V, while the I/O ports support 1.8, 2.8 and 3.0V The operating temperature range -40 to +85°C In ultra-low power mode, the core operates down to 0.9V

APPLICATIONS Consumer Medical Industrial Automotive Network control Communications

 

 

 Featured Products

Part Number		Description	Data Sheet	App. Notes
LPC3220FET296-S		ARM926-EJS Microcontroller with 128KB SRAM, Hardware Vector Floating-point Coprocessor, USB On-The-Go Host/Device, SDRAM Memory Interface, SD Interface
LPC3230FET296-S		ARM926-EJS Microcontroller with 256KB SRAM, Hardware Vector Floating-point Coprocessor, USB On-The-Go Host/Device, SDRAM Memory Interface, LCD Controller, SD Interface
LPC3240FET296-S		ARM926-EJS Microcontroller with 256KB SRAM, Hardware Vector Floating-point Coprocessor, USB On-The-Go Host/Device, SDRAM Memory Interface, 10/100 Ethernet, SD Interface
LPC3250FET296-S		ARM926-EJS Microcontroller with 256KB SRAM, Hardware Vector Floating-point Coprocessor, USB On-The-Go Host/Device, SDRAM Memory Interface, 10/100 Ethernet, LCD Controller, SD Interface

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