描述:Quartz Crystal Resonator HC49/UP Short 2 Pad Surface Mount (SMD) 3.2mm Height Metal Resistance Weld Seal 15.300MHz ±15ppm/20ppm over -40°C to +85°C Brand Name:Ecliptek 是否无铅:不含铅 是否Rohs认证:符合
使用的芯片是c6713B,开发板是合众达的dec6713。他们提供的dec6713.c文件中包含pll的设置代码如下:/* Initialize PLL Registers *//* Put PLL in bypass */PLL_bypass();PLLDelay(20);/* Reset PLL */PLL_reset();PLLDelay(20);/* Set main multiplier
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