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1、熔絲位(Fuse)快速入門AVR Studio 中 STK500 處理熔絲位有巨大的優(yōu)勢(shì)：它是以功能組合讓用戶配置。這種方式與小馬 (PnoyProg2000,SL-ISP)相比，具有以下的優(yōu)勢(shì)(優(yōu)勢(shì)是如此明顯，可以用“巨大優(yōu)勢(shì)”來(lái)形容)：     1. 有效避免因不熟悉熔絲位讓芯片鎖死 (這是初學(xué)者的惡夢(mèng))     2. 不需要靠記憶與查文檔，就能配置熔絲位(這也是初學(xué)者的惡夢(mèng))這是我們網(wǎng)站為何推薦使用STK500下載器的又一原因。 操作界面如下： (注意：下圖中，打勾的表示選中，代表0。沒有打勾的表示1)。上圖

2、的資料整理如下(該表下面有中文翻譯與說(shuō)明)：On-Chip Debug Enabled; OCDEN=0JTAG Interface Enabled; JTAGEN=0Serial program downloading (SPI) enabled; SPIEN=0Preserve EEPROM memory through the Chip Erase cycle; EESAVE=0Boot Flash section size=128 words Boot start address=$1F80; BOOTSZ=11Boot Flash section size=256 words Boo

3、t start address=$1F00; BOOTSZ=10Boot Flash section size=512 words Boot start address=$1E00; BOOTSZ=01Boot Flash section size=1024 words Boot start address=$1C00; BOOTSZ=00 ; default valueBoot Reset vector Enabled (default address=$0000); BOOTRST=0CKOPT fuse (operation dependent of CKSEL fuses); CKOP

4、T=0Brown-out detection level at VCC=4.0 V; BODLEVEL=0Brown-out detection level at VCC=2.7 V; BODLEVEL=1Brown-out detection enabled; BODEN=0Ext. Clock; Start-up time: 6 CK + 0 ms; CKSEL=0000 SUT=00Ext. Clock; Start-up time: 6 CK + 4 ms; CKSEL=0000 SUT=01Ext. Clock; Start-up time: 6 CK + 64 ms; CKSEL=

5、0000 SUT=10Int. RC Osc. 1 MHz; Start-up time: 6 CK + 0 ms; CKSEL=0001 SUT=00Int. RC Osc. 1 MHz; Start-up time: 6 CK + 4 ms; CKSEL=0001 SUT=01Int. RC Osc. 1 MHz; Start-up time: 6 CK + 64 ms; CKSEL=0001 SUT=10; default valueInt. RC Osc. 2 MHz; Start-up time: 6 CK + 0 ms; CKSEL=0010 SUT=00Int. RC Osc.

6、2 MHz; Start-up time: 6 CK + 4 ms; CKSEL=0010 SUT=01Int. RC Osc. 2 MHz; Start-up time: 6 CK + 64 ms; CKSEL=0010 SUT=10Int. RC Osc. 4 MHz; Start-up time: 6 CK + 0 ms; CKSEL=0011 SUT=00Int. RC Osc. 4 MHz; Start-up time: 6 CK + 4 ms; CKSEL=0011 SUT=01Int. RC Osc. 4 MHz; Start-up time: 6 CK + 64 ms; CKS

7、EL=0011 SUT=10Int. RC Osc. 8 MHz; Start-up time: 6 CK + 0 ms; CKSEL=0100 SUT=00Int. RC Osc. 8 MHz; Start-up time: 6 CK + 4 ms; CKSEL=0100 SUT=01Int. RC Osc. 8 MHz; Start-up time: 6 CK + 64 ms; CKSEL=0100 SUT=10Ext. RC Osc. - 0.9 MHz; Start-up time: 18 CK + 0 ms; CKSEL=0101 SUT=00Ext. RC Osc. - 0.9 M

8、Hz; Start-up time: 18 CK + 4 ms; CKSEL=0101 SUT=01Ext. RC Osc. - 0.9 MHz; Start-up time: 18 CK + 64 ms; CKSEL=0101 SUT=10Ext. RC Osc. - 0.9 MHz; Start-up time: 6 CK + 4 ms; CKSEL=0101 SUT=11Ext. RC Osc. 0.9 MHz - 3.0 MHz; Start-up time: 18 CK + 0 ms; CKSEL=0110 SUT=00Ext. RC Osc. 0.9 MHz - 3.0 MHz;

9、Start-up time: 18 CK + 4 ms; CKSEL=0110 SUT=01Ext. RC Osc. 0.9 MHz - 3.0 MHz; Start-up time: 18 CK + 64 ms; CKSEL=0110 SUT=10Ext. RC Osc. 0.9 MHz - 3.0 MHz; Start-up time: 6 CK + 4 ms; CKSEL=0110 SUT=11Ext. RC Osc. 3.0 MHz - 8.0 MHz; Start-up time: 18 CK + 0 ms; CKSEL=0111 SUT=00Ext. RC Osc. 3.0 MHz

10、 - 8.0 MHz; Start-up time: 18 CK + 4 ms; CKSEL=0111 SUT=01Ext. RC Osc. 3.0 MHz - 8.0 MHz; Start-up time: 18 CK + 64 ms; CKSEL=0111 SUT=10Ext. RC Osc. 3.0 MHz - 8.0 MHz; Start-up time: 6 CK + 4 ms; CKSEL=0111 SUT=11Ext. RC Osc. 8.0 MHz - 12.0 MHz; Start-up time: 18 CK + 0 ms; CKSEL=1000 SUT=00Ext. RC

11、 Osc. 8.0 MHz - 12.0 MHz; Start-up time: 18 CK + 4 ms; CKSEL=1000 SUT=01Ext. RC Osc. 8.0 MHz - 12.0 MHz; Start-up time: 18 CK + 64 ms; CKSEL=1000 SUT=10Ext. RC Osc. 8.0 MHz - 12.0 MHz; Start-up time: 6 CK + 4 ms; CKSEL=1000 SUT=11Ext. Low-Freq. Crystal; Start-up time: 1K CK + 4 ms; CKSEL=1001 SUT=00

12、Ext. Low-Freq. Crystal; Start-up time: 1K CK + 64 ms; CKSEL=1001 SUT=01Ext. Low-Freq. Crystal; Start-up time: 32K CK + 64 ms; CKSEL=1001 SUT=10Ext. Crystal/Resonator Low Freq.; Start-up time: 258 CK + 4 ms; CKSEL=1010 SUT=00Ext. Crystal/Resonator Low Freq.; Start-up time: 258 CK + 64 ms; CKSEL=1010

13、SUT=01Ext. Crystal/Resonator Low Freq.; Start-up time: 1K CK + 0 ms; CKSEL=1010 SUT=10Ext. Crystal/Resonator Low Freq.; Start-up time: 1K CK + 4 ms; CKSEL=1010 SUT=11Ext. Crystal/Resonator Low Freq.; Start-up time: 1K CK + 64 ms; CKSEL=1011 SUT=00Ext. Crystal/Resonator Low Freq.; Start-up time: 16K

14、CK + 0 ms; CKSEL=1011 SUT=01Ext. Crystal/Resonator Low Freq.; Start-up time: 16K CK + 4 ms; CKSEL=1011 SUT=10Ext. Crystal/Resonator Low Freq.; Start-up time: 16K CK + 64 ms; CKSEL=1011 SUT=11Ext. Crystal/Resonator Medium Freq.; Start-up time: 258 CK + 4 ms; CKSEL=1100 SUT=00Ext. Crystal/Resonator Me

15、dium Freq.; Start-up time: 258 CK + 64 ms; CKSEL=1100 SUT=01Ext. Crystal/Resonator Medium Freq.; Start-up time: 1K CK + 0 ms; CKSEL=1100 SUT=10Ext. Crystal/Resonator Medium Freq.; Start-up time: 1K CK + 4 ms; CKSEL=1100 SUT=11Ext. Crystal/Resonator Medium Freq.; Start-up time: 1K CK + 64 ms; CKSEL=1

16、101 SUT=00Ext. Crystal/Resonator Medium Freq.; Start-up time: 16K CK + 0 ms; CKSEL=1101 SUT=01Ext. Crystal/Resonator Medium Freq.; Start-up time: 16K CK + 4 ms; CKSEL=1101 SUT=10Ext. Crystal/Resonator Medium Freq.; Start-up time: 16K CK + 64 ms; CKSEL=1101 SUT=11Ext. Crystal/Resonator High Freq.; St

17、art-up time: 258 CK + 4 ms; CKSEL=1110 SUT=00Ext. Crystal/Resonator High Freq.; Start-up time: 258 CK + 64 ms; CKSEL=1110 SUT=01Ext. Crystal/Resonator High Freq.; Start-up time: 1K CK + 0 ms; CKSEL=1110 SUT=10Ext. Crystal/Resonator High Freq.; Start-up time: 1K CK + 4 ms; CKSEL=1110 SUT=11Ext. Cryst

18、al/Resonator High Freq.; Start-up time: 1K CK + 64 ms; CKSEL=1111 SUT=00Ext. Crystal/Resonator High Freq.; Start-up time: 16K CK + 0 ms; CKSEL=1111 SUT=01Ext. Crystal/Resonator High Freq.; Start-up time: 16K CK + 4 ms; CKSEL=1111 SUT=10Ext. Crystal/Resonator High Freq.; Start-up time: 16K CK + 64 ms

19、; CKSEL=1111 SUT=11上表的英文翻譯說(shuō)明如下：英文中文On-Chip Debug Enabled片內(nèi) 調(diào)試 使能 JTAG Interface EnabledJTAG 接口 使能 Serial program downloading (SPI) enabled串行編程下載(SPI) 使能 (ISP下載時(shí)該位不能修改)Preserve EEPROM memory through the Chip Erase cycle;芯片擦除時(shí)EEPROM的內(nèi)容保留Boot Flash section size=xxxx words 引導(dǎo)(Boot)區(qū)大小為xxx個(gè)詞Boot start address=$yyyy;引導(dǎo)(Boot)區(qū)開始地址為 $yyyy Boot Reset vector Enabled引導(dǎo)(Boot)、復(fù)位 向量 使能 Brown-out detection level at VCC=xxxx V;掉電檢測(cè)的電平為 VCC=xxxx 伏 Brown-out detection enabled;掉電檢測(cè)使能Start-up time: xxx CK + yy ms 啟動(dòng)時(shí)間 xxx 個(gè)時(shí)鐘周期 + yy 毫秒Ext. Clock;外部時(shí)鐘Int. RC Osc.

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