PM9603APE datasheet(13/18 Pages) SAMES

Part #	PM9603APE

Description	SINGLE PHASE POWER/ENERGY METERING MODULE SPI INTERFACE

PDF	18 Pages

Scroll/Zoom	100%

Manufacturer	SAMES [Sames]

Direct Link	http://www.sames.co.za

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13 / 18 page

PM9603AP

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13/18

for ( counter = 0; counter <8; counter++)

{

and_mask = (mask & value);

if (and_mask == mask)

{

spi_out(portval | DO_b);

// 1

spi_clock();

}

else

{

spi_out(portval & DO_m);

// 0

spi_clock();

}

value = value << 1;

}

spi_clock();

// sort out the extra clock cycle

between command & response

}

unsigned long spi_read_register(void)

// This function will read 24 bits of a register

// the register to be red would be indicated by the

// preceding spi_start_read function

{

int counter;

unsigned char and_mask,mask;

unsigned long fromport;

fromport = 0 ;

for ( counter = 0; counter < 24; counter++)

{

spi_clock();

if (((inportb(prt+1)) & DI_b) == DI_b)

fromport = fromport+ pow(2,(23-counter));

}

return(fromport);

}

PM9603APE Datasheet(PDF) 13 Page - Sames

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