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參數(shù)資料
| 型號： | MCZ33991EG |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Gauge Driver Integrated Circuit |
| 中文描述： | 儀表驅(qū)動集成電路 |
| 文件頁數(shù)： | 28/36頁 |
| 文件大?。?/td> | 481K |
| 代理商： | MCZ33991EG |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
28
33991
TIMING DESCRIPTIONS AND DIAGRAMS
APPLICATION INFORMATION
Table 18. 33991 Setup, Configuration, & Usage Example
Step #
Command
Description
Reference
Figure #
1
PECR
a.
- Bit PE0: Gauge 0.
- Bit PE1: Gauge 1.
Enable Gauges.
Table 3
Figure 7
b.
- Bit PE3: Enables Calibration Procedure.
- Bit PE4: Set clock f =1 MHz maximum or nominal.
Clock Calibration.
Send 8
μ
s pulse on CS to calibrate 1 MHz clock.
2
RTZCR
Set RTZ Full Step Time.
- Bits RC3:RC0.
Tables 9-10
Set RTZ Blanking Time.
- Bit RC4.
Tables 9-10
Preload RTZ Accumulator.
- Bits RC12:RC5.
Table 11
Check SO for an Out-of-Range Clock Calibration
- Is bit ST7 logic 1 If so, then repeat Steps 1 and 2.
Table 12
3
POS0R
a.
Move pointer to position 24 prior to RTZ
Table 5
4
POS1R
Move pointer to position 24 prior to RTZ.
Table 6
Check SO to see if gauge 0 has moved.
- Is bit ST4 logic 1 If so then the gauge 0 has moved to the first microstep.
Table 12
5
PECR
Send null command to see if gauges have moved.
- Bits PE12.
Table 3
Check SO to see if Gauge 0 (Gauge 1) has moved.
- Bit ST4 (ST5) logic1 If so, then gauge 0 (Gauge 1) has moved another microstep.
Keep track of movement and if 24 steps are finished, and both gauges are at a static
position, then RTZ. Otherwise repeat steps a) and b).
Table 12
6
RTZ
a.
RTZ command Bit RZ0 selects the gauge Bit RZ1 is used to enable or disable an
RTZ.
- Bits RZ3:RZ2 are used to select the RTZ accumulator bits that will clock out on the
SO pin.
Return one gauge at a time to the zero stop using
Table 7
b.
out on the SO bits ST15:ST8. These will be used if characterizing the RTZ.
- Bits RZ3:RZ2 are used to select the bits.
Select the RTZ accumulator bits that will clock
Table 8
7
PECR
a.
command to monitor SO bit ST2.
- Bit PE12 is the null command.
Check the Status of the RTZ by sending the null
Table 3
Is ST2 logic 0 If not then gauge 0 still returning and null command should be resent.
Table 12
8
RTZ
Return the other gauge to the zero stop. If the second gauge is driving a different
pointer than the first, then a new RTZCR command may be required to change the
Full Step time.
Tables 7-8
9
PECR
a.
command to monitor SO bit ST3
- Bit PE12 is the null command.
Check the Status of the RTZ by sending the null
Table 3
Is ST3 logic 0 If not then gauge 1 still returning and null command should be resent.
Table 12
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| MCZ33991EGR2 | 功能描述:馬達/運動/點火控制器和驅(qū)動器 GAUGE DRIVER IC 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 |
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| MCZ33996CEK | 制造商:Freescale Semiconductor 功能描述:16 LOW SIDE SW - Bulk |
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