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CLK3_1N 参数 Datasheet PDF下载

CLK3_1N图片预览
型号: CLK3_1N
PDF下载: 下载PDF文件 查看货源
内容描述: 的Cyclone III器件手册 [Cyclone III Device Handbook]
分类和应用:
文件页数/大小: 274 页 / 7302 K
品牌: ALTERA [ ALTERA CORPORATION ]
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Chapter 11: SEU Mitigation in the Cyclone III Device Family  
11–7  
Software Support  
Software Support  
Enabling the CRC error detection feature in the Quartus II software generates the  
ERRORoutput to the optional dual purpose CRC ERRORpin.  
CRC_  
_
To enable the error detection feature using CRC, perform the following steps:  
1. Open the Quartus II software and load a project using Cyclone III device family.  
2. On the Assignments menu, click Settings. The Settings dialog box appears.  
3. In the Category list, select Device. The Device page appears.  
4. Click Device and Pin Options, as shown in Figure 11–2.  
5. In the Device and Pin Options dialog box, click the Error Detection CRC tab.  
6. Turn on Enable error detection CRC.  
7. In the Divide error check frequency by box, enter a valid divisor as documented  
in Table 11–5 on page 11–6.  
1
The divisor value divides down the frequency of the configuration  
oscillator output clock. This output clock is used as the clock source for the  
error detection process.  
8. Click OK.  
Figure 11–2. Enabling the Error Detection CRC Feature in the Quartus II Software  
December 2011 Altera Corporation  
Cyclone III Device Handbook  
Volume 1  
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