NUC980开源项目1-项目准备

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最近准备做一个开源项目,嵌入式linux方面的。

1.芯片选择

NUC980开源项目1-项目准备_第1张图片

The NUC980DK61YC series with the ARM926EJ-S core can operate at up to 300 MHz . It offers 128-pin LQFP packages stacked with 64 MB DDR-II Memory to reduce PCB size and EMI issues. Rich peripherals include 10 sets of UART , 2 sets SDIO / eMMC interface, 8 Ports USB Host, NAND Flash interface, QSPI NAND ,4 sets CAN, 2 sets 10 / 100 Mbps Ethernet MAC and High-Speed USB 2.0 host / device controller to allow more flexibility in designs. The NUC980DK61YC also supports industrial temperature from - 40 ℃ to 85 ℃ and targets Ethernet and IoT Control.

Key Features:

Core
  - ARM926EJ-S core
  - Operates at up to 300 MHz
  - 16 KB I-cache / 16 KB D-cache
     
DDR Memory
  - Built-in 64 MB DDR II Memory
     
USB 2.0 High Speed Host/Device
  - Up 2 sets USB ports : one USB Host and one USB Host / Device
     
6 ports USB 1.1 Full Speed Host Lite
   
System Boot
  - Boot from QSPI NAND, SPI Flash, NAND Flash, eMMC Flash, SD Card or USB Device
     
20-ch Peripheral DMA Controller
     
External Bus Interface
   
Video Input Interface
  - Supports up to 2 Sets CCIR656 / CCIR601 interface
  - Max resolution up to 3 M pixels
     
SD Host Controller
  - 2 Ports SD Host
  - Supports SD / SDIO / eMMC
     
ADC
  - Supports 12-bit 8 channels ADC
  - 600 k sps
     
Cryptography Accelerator
  - ECC-256
  - AES-256
  - RSA-2048
  - SHA-512
  - HMAC
  - Random number generator
     
Peripheral
  - Supports SPI / I²C / PWM / UART / CAN

2.芯片优缺点

价格:不是很便宜,要35块左右

NUC980开源项目1-项目准备_第2张图片

性能:主屏300M

还行吧,毕竟是ARM9,也没什么太高的要求

最想要的是他的封装,128LQFP,纯手工就能焊接。

3.资料

新唐也算是比较良心的了,资料很多

NUC980开源项目1-项目准备_第3张图片

官方有资料,比什么都强

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