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參數(shù)資料
| 型號(hào)： | MC33991 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國(guó))有限公司 |
| 英文描述： | Gauge Driver Integrated Circuit(標(biāo)尺驅(qū)動(dòng)器集成電路) |
| 中文描述： | 儀表驅(qū)動(dòng)集成電路（標(biāo)尺驅(qū)動(dòng)器集成電路） |
| 文件頁數(shù)： | 31/36頁 |
| 文件大?。?/td> | 660K |
| 代理商： | MC33991 |
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MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33991
31
14
POS1R
Return the pointers close to zero position using POS1R
Table 6
Move pointer position at least 24 microsteps CW to the nearest full step position prior to
RTZ.
Check SO to see if Gauge 0 has moved.
- Is bit ST4 logic level 1 If so, Gauge 0 has moved to the first microstep.
Table 12
15
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.
- Is bit ST4 (ST5) logic level 1
I
f so, Gauge 0 (Gauge 1) has moved another microstep.
Keep track of movement. If 24 steps are finished and both gauges are at a static
position, then RTZ. Otherwise repeat steps a) and b).
Table 12
16
RTZ
a. Return one gauge at a time to the zero stop using RTZ. Command bit RZ0 selects
the gauge bit RZ1 used to enable or disable an RTZ.
- Bits RZ3:RZ2 are used to select the RTZ accumulator bits clocking out on the SO pin.
Tables 7-8
b. Select the RTZ accumulator bits clocking out on the SO bits ST15:ST8. These will
be used if characterizing the RTZ.
- Bits RZ3:RZ2 are used to select the bits.
17
PECR
a. Check the status of the RTZ by sending the null command to monitor SO bit ST2
- Bit PE12 is the null command.
Table 3
Is ST2 logic level 0 If not, Gauge 0 is still returning. Null command should be resent.
Table 12
18
RTZ
Return theother Gauge to the zerostop. If thesecond gauge is drivinga different pointer
than the first, a new RTZCR command may be required to change the Full Step time.
Tables 7-8
19
PECR
a. Check the Status of the RTZ by sending the null command to monitor SO bit ST3
- Bit PE12 is the null command.
Table 3
Is ST3 logic level 0 If not, Gauge 1 is still returning. Null command should be resent.
Table 12
20
Disable both gauges and go to standby bit PE0:PE1 are used to disable the gauges
Table 3
Put the device to sleep.
- RST pin is pulled to logic 0.
Table 15. GDIC SETUP, CONFIGURATION, & USAGE EXAMPLE (continued)
Step
Number
Command
Description
Table/Figure
Number
F
Freescale Semiconductor, Inc.
Go to: www.freescale.com
n
.
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|---|---|
| MC33991DW | 制造商:Freescale Semiconductor 功能描述:Gauge Driver Integrated Circuit |
| MC33991DWR2 | 制造商:Rochester Electronics LLC 功能描述:GUAGE DRIVER IC - Bulk |
| MC33993DWB | 功能描述:接口 - 專用 MSDI 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 |
| MC33993DWBR2 | 功能描述:接口 - 專用 MSDI 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 |
| MC33996EK | 功能描述:電源開關(guān) IC - 配電 16LOW SIDE SW 1.2OHM RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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