【正文】 can take a city more powerful water flow slow, language is expensive. People spent two years of time to learn to speak, but to spend a few years time to shut up. That is a kind of ability, that is a kind of wisdom. 16, life is not perfect, sometimes, growth is not a cry, not an eyeful of tears, there is no trace of emotion, there is no gleam of hope, no desire, no action, no static, there is only one kind of downward sinking feeling, sink A murky? 6? 7? 6? 7 sink? 6? 7? 6? 7 toward the bottom of the sink. 17, in some way, do not go, you will not know the other side scenery is beautiful. To you is not good, you do not mind too much, no one has an obligation to you。t envy him A sum of, don39。am, like a movie, learn to appreciate, learn to be grateful, learn tolerance, and goodness, helping others. Instead of accusing the society, as into one。t envy who. Like a person is a kind of feeling, not like a person is true. The truth is easy to explain, I feel Is unspeakable. The best travel life is that you in a strange place found a long lost touched. 11, happy life not in the bustling in, and in the peace of mind。s mouth, because words will reduce its 多功能信號發(fā)生器 20 importance。 you pain, no one can understand. Then you only tears to smile. 8, each people have youth, Each youth are a story, the life of the world never gets easier, I want what, wish the world all know, as has been the same。 loss of sink, Eritrea pany. When you are in adversity, may wish to change a point of view to think everything over to the good Think, because good mentality decided the fate of the! 7, people are tired, rest。 and when we are in a negative state of mind, you will find many depressed things。m afraid he turned to it as a joke to tell don39。t be narrowminded. Poke to care, is a kind of 多功能信號發(fā)生器 19 openminded, a free and easy. 5, I am not afraid of others behind me a knife, I afraid to look back and see stab me, is my intention to treat people。t get into a blind alley, don39。 not unrewarding perfunctorily, but calm attitude of life of unrestrained selfconfidence. Plain living, there is no noise noisy, no earthly troubles, more did not fill in the discontent of desire, some just a calm, a calm. 3, memory of heart will not good things to erase the, life is a When no movie, pain is a beginning, the struggle is a kind of process, death is a kind of ending. Give up this giving up is the helpless, do not give up the abandoned, do not give up this giving up is ignorance, do not give up should not give up is persistent. 4, a thing figured is heaven, think impassability is hell. Since the living, to live better. Sometimes we because of too narrowminded, too care around the chores and penny wise and pound foolish, not worth the candle. Some things to attract trouble and worry, pletely depends on how we look at and deal with it. Don39。 not to have conquered, but to have fought well. 2, the plain is the background of life. Live a plain life, give up on themselves is not a coward, but the wise answers。 to implement , do not want to, dare not, not with disciplinary ruler to supervision。上 ,下 ,左 ,右 頁碼設在頁 腳 居中 多功能信號發(fā)生器 13 附 錄 附錄 1： 總原理圖 1234567891011121314JPJATGDVcc123456Vref+7XIN8XOUT9Veref+10Vref/Veref111213141516DVss63AVss62616059RST/NMI58TCK57TMS56TDI/TCLK55TD0/TDI54XT2IN53XT0OUT525150491718192021222324252627282930313233343536373839404142434445464748MSP430F169AVcc64U1MSP430F1691 2Y28MC1C2X2INX2INX2OUTX2OUT10uFC3C4VCC100R110uFC6C5VCC100R2100R3VCC1 2Y13276810117123J121KR5VCCMSP430F149A10B11C14D13INH15IO COM X1IO 09IO 18IO 1021IO 1120IO 1219IO 1318IO 1417IO 1516IO 27IO 36IO 45IO 54IO 63IO 72IO 823IO 922VCC24GND12U1HCF4067BEYA10B11C14D13INH15IO COM X1IO 09IO 18IO 1021IO 1120IO 1219IO 1318IO 1417IO 1516IO 27IO 36IO 45IO 54IO 63IO 72IO 823IO 922VCC24GND12U2HCF4067BEY474C147KR120KR2R32KR4R53KR6R7660R8473C5472C7100 Hz500 Hz1Khz5K Hz10K Hz50K Hz100K Hz500K Hz220R1047R111M Hz5M Hz474C2474C3474C4473C6472C8472C9472C10GND1 2 3 4P1Header 483267451U4OPA2228VCCGND正弦波方波輸出GNDGNDGNDGNDVCCVCC83267451U3OPA2228VCC10KR9GND1 23 45 67 89 10P2Header 5X2VCCGND 三角波方波、三角波信號產生電路VINP R4R5100R2200NC1GND2VCC4OUT3+5VCLKD31D22D13D04DGND5DVDD6W_CLK7FQ_UD8CLKIN9AGND10AVDD11RSET12QOUT13QOUTB14D428D527D626D725DGND24DVDD23RESET22IOUT21IOUTB20AGND19AVDD18DACBL17VINP16VINN15U1AD985012345678910111213J1CON13R3100KR1100KC6470PBNCPOWERINAGNDAGNDAGNDAGNDAGNDC7104 104C8104C5C4104C3103C210410UFC10L1AGNDDGND1 23 45 67 89 10P71 23 45 67 89 10J4VCCVCCRSTRSTRSTWCLKWCLKWCLKFQ_UDFQ_UDFQ_UDD0D0 D0D1D2D3D4D5D6D1 D1D2D2D3D3D4D4D5D5D6D6D7D7D7VCCVCCVCCVCCVCCIOUTVINPQOUTQOUTBIOUTQOUTQOUTB1234J2VINPDDS正弦信號產生電路多功能信號發(fā)生器 14 U 1 AN E 5