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德赢Vwin官网 网>电子资料下载>嵌入式开发>LPC3220/3230/3240/3250芯片数据手册

LPC3220/3230/3240/3250芯片数据手册

2017-10-09 | rar | 0.34 MB | 次下载 | 免费

资料介绍

  The LPC3220/30/40/50 embedded microcontrollers were designed for low power, high

  performance applications. NXP achieved their performance goals using a 90 nanometer

  process to implement an ARM926EJ-S CPU core with a vector floating point co-processor

  and a large set of standard peripherals including USB On-The-Go. The

  LPC3220/30/40/50 operates at CPU frequencies of up to 266 MHz.

  The NXP implementation uses a ARM926EJ-S CPU core with a Harvard architecture,

  5-stage pipeline, and an integral Memory Management Unit (MMU)。 The MMU provides

  the virtual memory capabilities needed to support the multi-programming demands of

  modern operating systems. The ARM926EJ-S also has a hardware based set of DSP

  instruction extensions, which includes single cycle MAC operations, and hardware based

  native Jazelle Java Byte-code execution. The NXP implementation has a 32 kB instruction

  cache and a 32 kB data cache.

  For low power consumption, the LPC3220/30/40/50 takes advantage of NXP’s advanced

  technology development to optimize intrinsic power and uses software controlled

  architectural enhancements to optimize application based power management.

  The LPC3220/30/40/50 also includes 256 kB of on-chip static RAM, a NAND flash

  interface, an Ethernet MAC, an LCD controller that supports STN and TFT panels, and an

  external bus interface that supports SDR and DDR SDRAM as well as static devices. In

  addition, the LPC3220/30/40/50 includes a USB 2.0 full-speed interface, seven UARTs,

  two I2C-bus interfaces, two SPI/SSP ports, two I2S-bus interfaces, two single output

  PWMs, a motor control PWM, six general purpose timers with capture inputs and

  compare outputs, a Secure Digital (SD) interface, and a 10-bit Analog-to-Digital Converter

  (ADC) with a touch screen sense option.

LPC3220/3230/3240/3250芯片数据手册

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