AD7706BRU-REEL7 datasheet(37/44 Pages) AD

No de pièce	AD7706BRU-REEL7

Description	3 V/5 V, 1 mW, 2-/3-Channel, 16-Bit, Sigma-Delta ADCs

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Fabricant	AD [Analog Devices]

Site Internet	http://www.analog.com

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37 / 44 page

AD7705/AD7706

Rev. C | Page 37 of 44

{

int q;

SPCR = 0x3f;

SPCR = 0x7f; /* clear the interrupt */

DDRD = 0x10; /* MOSI output, MISO input, SCK output */

while(PORTC & 0x10); /* wait for /DRDY to go low */

PORTC & 0xfb ; /* /CS is low */

for(b=0;b<reglength;b++)

{

SPDR = 0;

while(!(SPSR & 0x80)); /* wait until port ready before reading */

*datapointer++=SPDR; /* read SPDR into store array via datapointer */

}

PORTC|=4; /* /CS is high */

}

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