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

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

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

官方有资料，比什么都强