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| 型号： | MC3PHACVDWE |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 24/36页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR CONTROLLER 28-SOIC |
| 标准包装： | 26 |
| 应用： | AC 电机控制器，3 相 |
| 输出数： | 1 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 管件 |
| 产品目录页面： | 808 (CN2011-ZH PDF) |
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Operation
Each bit variable listed in Table 6 is defined in Figure 14 , Figure 15 , Figure 16 , and Figure 17 .
Address: $00C8
R
7
6
SPEED
CHANGING
5
FORWARD
MOTION
4
MOTOR
ENERGIZED
3
RESISTIVE
BRAKE
2
EXTERNAL
FAULT TRIP
1
OVER
VOLTAGE
TRIP
0
UNDER
VOLTAGE
TRIP
W
Reset
U
0
1
0
0
U
0
0
= Unimplemented or Reserved
U = Unaffected
Figure 14. Status Register
Table 7. Status Register Field Descriptions
Field
6
SPEED
CHANGING
5
FORWARD
MOTION
4
MOTOR
Description
SPEED CHANGING Bit — This read-only bit indicates if the motor is at a steady speed or if it is
accelerating or declerating.
0 Motor is at a steady speed.
1 Motor is accelerating or decelerating.
FORWARD MOTION Bit — This read-only bit indicates the direction of the motor. It also indicates
if the motor is stopped.
0 Motor is rotating in the reverse direction.
1 Motor is rotating in the forward direction. If this bit is a logic 1 and the actual frequency (location
$0085 and $0086) is 0, the motor is stopped.
MOTOR ENERGIZED Bit — This read-only bit indicates PWM output activity
0 The PWM outputs are inactive or the bottom PWM outputs are in the pre-charge cycle.
ENERGIZED 1 All PWM outputs are active.
3
RESISTIVE
BRAKE
2
EXTERNAL
FAULT TRIP
1
OVER
VOLTAGE
TRIP
0
UNDER
VOLTAGE
TRIP
24
RESISTIVE BREAK Bit — This read-only bit indicates the state of the RBRAKE output pin
0 The RBRAKE output pin is inactive and no braking is in progress.
1 The RBRAKE output pin is active. Braking is in progress.
EXTERNAL FAULT TRIP Bit — This read-only bit indicates a FAULT has occurred resulting from
a logic 1 applied to the FAULTIN pin.
0 A logic 0 is applied to the FAULTIN pin and no FAULT timeout is in progress.
1 A logic 1 was applied to the FAULTIN pin and a FAULT timeout is still in progress.
OVER-VOLTAGE TRIP Bit — This read-only bit indicates if the voltage at the DC_BUS pin
exceeds the preset value of V Bus over voltage located at address $0068 and $0069.
0 The voltage applied to the DC_BUS pin is less than the preset value of V Bus over voltage and
a FAULT timeout is not in progress.
1 The voltage applied to the DC_BUS pin has exceeded the preset value of V Bus over voltage
and a FAULT timeout is still in progress.
UNDER-VOLTAGE Bit — This read-only bit indicates if the voltage at the DC_BUS pin is less
than the present value of V Bus brownout located at address $0066 and $0067.
0 The voltage applied to the DC-BUS pin is greater than the preset value of V Bus under voltage
and a FAULT timeout is not in progress.
1 The voltage applied to the DC_BUS pin is less than the present value of V Bus under voltage
and a FAULT timeout is still in progress.
MC3PHAC Monolithic Intelligent Motor Controller, Rev. 2
Freescale Semiconductor
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