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參數(shù)資料
| 型號： | MCZ33970EG |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Dual Gauge Driver Integrated Circuit with Improved Damping Algorithms |
| 中文描述： | 雙計(jì)驅(qū)動(dòng)集成電路與改進(jìn)的阻尼算法 |
| 文件頁數(shù)： | 22/36頁 |
| 文件大?。?/td> | 430K |
| 代理商： | MCZ33970EG |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
22
33970
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
The bits in
Table 18
are
read-only
bits.
ENB1 (OD15) — This bit indicates if Gauge 1 is enabled.
0 = Disabled
1 = Enabled
DIR1 (OD14) — This bit indicates the direction Gauge 1
pointer is moving.
0 = Toward position 0
1 = Away from position 0
DIRC1 (OD13) — This bit determines if the direction of the
most recent pointer movement is toward, or away from, the
last commanded position.
0 = Direction of the pointer movement is toward the
commanded position
1 = Direction of the pointer movement is away from the
commanded position
CMD1 (OD12) — This bit indicates if Gauge 1 is at the most
recently commanded position.
0 = At commanded position
1 = Not at commanded position
POS11:POS0 (OD11:OD0) — These 12 bits represent the
actual position of the pointer at the time
CS
transitions to a
logic [0].
Gauge 0 and 1 Pointer Velocity Status Information
Most recent valid PECCR command resulting in the
Gauge 0 and 1 Pointer Velocity status output:
The bits in
Table 19
are
read-only
bits.
1V7:1V0 (OD15:OD8) — These eight bits represent the
velocity position value (refer to
Table 21
, page
24
) indicating
the actual velocity of Gauge 1 pointer at the time
CS
transitions to a logic [0].
0V7:0V0 (OD7:OD0) — These eight bits represent the
velocity position value (refer to
Table 21
) indicating the
actual velocity of Gauge 0 pointer at the time
CS
transitions
to a logic [0].
STATE MACHINE OPERATION
The two-phase step motor has maximum allowable
velocities and acceleration and deceleration.The purpose of
the step motor state machine is to drive the motor with
maximum performance while remaining within the motor’s
voltage, velocity, and acceleration constraints.
A requirement of the state machine is to ensure the
deceleration phase begins at the correct time and pointer
position. When commanded, the motor will accelerate
constantly to the maximum velocity, then move toward the
commanded position. Eventually, the pointer will reach the
calculated location where the movement has to decelerate,
slowing safely to a stop at the desired position. During the
deceleration phase, the motor will not exceed the maximum
deceleration.
During normal operation, both step motor rotors are
microstepped with 24 steps per electrical revolution (see
Figure 9
). A complete electrical revolution results in two
degrees of pointer movement. There is a second (smaller)
state machine in the IC controlling these microsteps. This
state machine receives
clockwise
or
counter-clockwise
index
commands at intervals, stepping the motor in the appropriate
direction by adjusting the current in each coil. Normalized
values are provided in
Table 20
, page
23
.
D11
D10
D9
D8
1
1
1
x
x = Don’t care.
Table 19. Gauge 0 and 1 Pointer Velocity Status Output Register
Bits
OD15
OD14
OD13
OD12
OD11
OD10
OD9
OD8
OD7
OD6
OD5
OD4
OD3
OD2
OD1
OD0
Read
1V7
1V6
1V5
1V4
1V3
1V2
1V1
1V0
0V7
0V6
0V5
0V4
0V3
0V2
0V1
0V0
Write
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCZ33970EG | 制造商:Freescale Semiconductor 功能描述:IC STEPPER MOTOR GAUGE DRIVER SPI |
| MCZ33970EGR2 | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DUAL GAGE DRVR IMP DAMP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| MCZ33972AEK | 功能描述:接口 - 專用 MULT SW DET SUP-WKUP RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| MCZ33972AEK/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Multiple Switch Detection Interface with Suppressed Wake-up |
| MCZ33972AEKR2 | 功能描述:接口 - 專用 MULT SW DET SUP-WKUP RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
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