参数资料
型号: MCZ33991EGR2
厂商: Freescale Semiconductor
文件页数: 33/36页
文件大小: 0K
描述: IC GAUGE DRIVER SPI 24-SOIC
标准包装: 1,000
应用: 步进电机驱动器,2 相
输出数: 2
电流 - 输出: 100mA
电源电压: 6.5 V ~ 26 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 带卷 (TR)
TIMING DESCRIPTIONS AND DIAGRAMS
SAMPLE CODE
/* Step 15 */
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);
/* Step 17 */
Command_Gauge (0x10,0x00);
/* Send RTZ to Gauge 0 */
/* 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);
/* Step 19 */
Command_Gauge (0x10,0x00);
/* Send RTZ to Gauge 1 */
/* 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;
SP0DR = MSB;
While ((SP0SR & 0x80) == 0);
RTZdata = SP0DR;
SP0DR = LSB;
While ((SP0SR & 0x80) == 0);
status = SP0DR;
PORTS = 0x04;
/* Chip select low (active) */
/* send first byte of gauge command */
/* wait for Rxflag (first byte) */
/* Read status MSB */
/* send second byte of command */
/* wait for Rxflag (second byte) */
/* read status LSB */
/* Chip select high (deactivated) */
}
/* Motorola Semiconductor Products Sector */
/* October 4, 2002 */
33991
Analog Integrated Circuit Device Data
Freescale Semiconductor
33
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