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参数资料
| 型号： | MC3PHACVDW |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 22/36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 |
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Operation
exception to this rule is that PC master software allows reading locations $0001, $0036 and $FE01, which
are PORTB data register, Dead Time register and SIM Reset Status registers respectively. The
addresses for the WRITEVARx commands are checked for validity, and the data field is also limited to a
valid range for each variable. See Table 6 for a list of valid data values and valid write addresses.
User interface variables and their associated PC master software addresses within the MC3PHAC are
Table 6. User Interface Variables for Use with PC Master Software
Name
Commanded direction
Command reset
Address
$1000
$1000
Read/
Write
W
W
Size
(Bytes)
1
1
Description
Determines whether the motor should
go forward, reverse, or stop
Forces the MC3PHAC to perform an
immediate reset
Valid Data
Forward — $10
Reverse — $11
Stop — $20
$30
5.3 kHz — $41
Commanded PWM
frequency (1)
$1000
W
1
Specifies the frequency of the
MC3PHAC PWM frequency
10.6 kHz — $42
15.9 kHz — $44
21.1 kHz — $48
The modulus value supplied to the
Measured PWM
period
$00A8
R
2
PWM generator used by the
MC3PHAC — value is multiplied by
$00BD–$05E8
250 ns to obtain PWM period
Commanded PWM
polarity (2), (3), (4)
$1000
W
1
Specifies the polarity of the MC3PHAC
PWM outputs. This is a write once
parameter after reset.
Example: $50 = Bottom and top PWM
outputs are positive polarity.
B + T + $50
B + T – $54
B – T + $58
B – T – $5C
Specifies the dead time used by the
Dead time (2), (3), (4)
$0036
R/W
1
PWM generator.
Dead time = Value * 125 ns.
$00–$FF
This is a write-once parameter.
Base frequency (3)
Acceleration (3)
Commanded motor
frequency (3)
Actual frequency
Status (7)
Voltage boost
$1000
$0060
$0062
$0085
$00C8
$006C
W
R/W
R/W
R
R
R/W
1
2
2
2
1
1
Specifies the motor frequency at which
full voltage is applied
Acceleration in Hz/sec (7.9 format) (8)
Commanded frequency in Hz.
(8.8 format) (9)
Actual frequency in Hz. (8.8 format) (9)
Status byte
0 Hz voltage.
%Voltage boost = Value/$FF
60 Hz — $60
50 Hz — $61
$0000–$7FFF
$0000–$7FFF
$0000–$7FFF
$00–$FF
$00–$FF
Voltage level (motor waveform
Modulation index
$0091
R
1
amplitude percent assuming no bus
ripple compensation)
$00–$FF
Modulation index = value/$FF
MC3PHAC Monolithic Intelligent Motor Controller, Rev. 2
22
Freescale Semiconductor
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