PM9603APE datasheet(15/18 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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15 / 18 page

PM9603AP

sames

15/18

number)\n”);

printf(“

<SPI clock delay lime> = For loop delay\n”);

printf(“

use 1000 for a 486dx266

\n”);

exit(0);

}

clrscr();

while(key !=’q’)

{

if(bioskey(1)) {

key = bioskey(0);

}

old_freq = freq;

spi_reset();

spi_cs();

spi_start_read(3);

freq

= spi_read_register();

// Get the rising edge if the inversion bits

if (((freq & bits_50hz) == bits_50hz )

//D19

is now set

&& ((old_freq & bits_50hz) != bits_50hz)) //D19

was not set previously

{

// The following is used to indicate that

//registers is read every 8th mains cycle

spi_PCTrig();

delay(1);

spi_ClearPCTrig();

//del_time is the amount of inversion cycles to

wait before

//reading the rest of the register values.

del_time ++;

}

if(del_time == 10)

// 5 x 8 mains cycles time to

integrate registers

{

spi_PCTrig();

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