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參數(shù)資料
| 型號： | PC33991DHR2 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, PDSO24 |
| 封裝： | PLASTIC, SOIC-28 |
| 文件頁數(shù)： | 28/36頁 |
| 文件大?。?/td> | 660K |
| 代理商： | PC33991DHR2 |
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33991
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
34
/*Step15 */
Command_Gauge(0x10,0x00);
/* Null Read to get status */
/* Check SO bit ST4 to see if Gauge 0 has moved */
If((status & 0x10) != 0)
/* If it has moved, then keep track of position */
/* Wait until 24 steps are finished then send a RTZ command (Step 17) */
/* Step 16 */
Command_Gauge(0x80,0x02);
/* Send RTZ to Gauge 0 */
/* Step 17 */
Command_Gauge(0x10,0x00);
/* Null Read to get status */
/* Read Status until RTZ is done */
While ((status & 0x04) != 0)
{Command_Gauge(0x10,0x00);}
/* Step 18 */
Command_Gauge(0x80,0x03);
/* Send RTZ to Gauge 1 */
/* Step 19 */
Command_Gauge(0x10,0x00);
/* Null Read to get status */
/* Read Status until RTZ is done */
While ((status & 0x08) != 0)
{Command_Gauge(0x01,0x00);}
/* Step 20 */
Command_Gauge(0x00,0x00);
/* Disable Gauges and go into Standby */
/* Put device to sleep by setting RSTB to logic 0 */
}
void Command_Gauge(char MSB, char LSB)
/*This subroutine sends the GDIC commands on the SPI port */
{
PORTS = 0x00;
/* Chip select low (active) */
SP0DR = MSB;
/* send first byte of gauge command */
While ((SP0SR & 0x80) == 0);
/* wait for Rxflag (first byte) */
RTZdata = SP0DR;
/* Read status MSB */
SP0DR = LSB;
/* send second byte of command */
While ((SP0SR & 0x80) == 0);
/* wait for Rxflag (second byte) */
status = SP0DR;
/* read status LSB */
PORTS = 0x04;
/* Chip select high (deactivated) */
}
/* Motorola Semiconductor Products Sector */
/* October 4, 2002 */
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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