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Re: 12 bits AD Wandler Kategorie: Programmierung Basic (von Stefan Süßmann - 22.02.2006 22:21)

Als Antwort auf Re: 12 bits AD Wandler von Hans - 22.02.2006 20:21

Stefan Süßmann nutzt:  CC1-M-Unit V1.2/2.0, Micro

> Hoi Stefan > > Thanks for answering > I have the Data sheet of the MAX127 but I donÂ’t get it > I made both the Â….. Max127 adres &h90 and put & hee up > So it cant work at all > And how do I get AD1 t/m AD8 > I cant work it out > So I ask you, do you have a sample of one that works > > Hans Hi, at first i would suggest that you try the "IIC_Device_Seek++.bas" to see if the Max127 will answer at the adress &h90. If it doesn´t, there is something wrong in your hardware (see "typical operating circuit" in datasheet)     IIC.init          IIC.stop          IIC.start            IIC.send max127adresse   "adress that iic-device-seek has shown)            IIC.send chsetting          IIC.stop          IIC.start           IIC.send (max127adresse + 1)           IIC.get z1           IIC.get z2           z2 = z2 shr 4         IIC.stop       IIC.off     adwert = ((z1*16) + z2)     z1,z2= byte adwert= word (0-4095) chsetting = see page 10 in datasheet, for example: chsetting = 10110000b  ' Ch3, 0 bis 5V, normal Operation                   1    011  00   0                   |       |     |      normal operation                   |       |      0-5 V input range                   |        channel 3 (AD3)                   Startbit, alsway 1 bye Stefan

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