參數(shù)資料
型號： MCZ33977EG
廠商： 飛思卡爾半導體(中國)有限公司
英文描述： Single Gauge Driver
中文描述： 單表驅(qū)動
文件頁數(shù)： 34/37頁
文件大小： 402K
代理商： MCZ33977EG
Analog Integrated Circuit Device Data
Freescale Semiconductor
34
33977
TYPICAL APPLICATIONS
6
RTZ
a) Return the gauge to the zero stop using the RTZ command
Bit RZ1 enables or disables an RTZ
Bits RZ2 and PE7 select the direction
Table 12
Table 9
Table 15
b) Select the RTZ accumulator bits to clock out on the SO bits using bits PE11:PE10.
These will be used if characterizing the RTZ.
7
PECCR
a) Check the status of the RTZ by sending the null command to monitor bit RTZ of the
Device Status SO.
Bit PE12 is the null command
Table 9
Table 16
b) Is RTZ (OD2) Logic [1] If not, the gauge is still returning and null command should be
resent.
10
VELR
a) Change the maximum velocity of the gauge
Bit V8 enables a change to the maximum velocity
Bits V7:V10 determine the maximum velocity position from
Table 6
, Velocity Table
Table 9
Table 6
11
POSR
a) Position gauge pointer
Bits P011:P00: Desired pointer position
Table 11
Table 6
b) Check SO for out-of-range V
PWR
Is bit OVUV (OD6) Logic [1] If so, use UV (OD8) and OV (OD9) to decide whether to
RTZ after valid V
PWR
c) Check SO for overtemperature
Is bit OT Logic [1] If so, enable driver again. If OT continues to indicate
overtemperature, shut down the gauge.
Once OT returns to normal, re-establish the zero reference by RTZ command.
13
POSR
a) Return the pointer close to zero position using POSR
Table 11
b) Move pointer position at least 12 microsteps CW to the nearest full step prior to RTZ
15
PECCR
f) Send null command to see if gauges moved
Bit PE12
g) Check SO to determine if the gauge moved.
Is bit MOV (OD4) Logic [1] If so, the gauge moved another microstep since the last
SPI message. Keep track of movement and if 12 steps are finished, and both gauges
are at a static position, then RTZ. Otherwise, repeat steps a) and b).
Bit CMD (OD10) could also be monitored to determine the pointer is static.
Table 9
Table 16
16
RTZ
a) Return the gauge to the zero stop using the RTZ command.
Bit RZ1 enables or disables an RTZ
Bits RZ2 and PE7 select the direction
TABLE 9
TABLE 12
TABLE 16
b) Select the RTZ accumulator bits clocking out on the SO bits using bits PE11:PE10
These will be used if characterizing the RTZ.
17
PECCR
a) Check the status of the RTZ by sending the null command to monitor SO bit RTZ
Bit PE12 is the null command
TABLE 9
TABLE 16
b) Is RTZ Logic [0] If not, the gauge is still returning and null command should be resent
20
PECCR
a) Disable the gauge driver and go to standby
Bit PE0:PE1 disable the gauge
TABLE 9
b) Put the device to sleep
RST pin is pulled to Logic [0]
Table 20. 33977 Setup, Configuration, and Usage Example
Step
Command
Description
Reference Table
and/or Figure
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相關代理商/技術參數(shù)
參數(shù)描述
MCZ33977EG 制造商:Freescale Semiconductor 功能描述:IC STEPPER MOTOR GAUGE DRIVER SPI
MCZ33977EGR2 功能描述:馬達/運動/點火控制器和驅(qū)動器 SINGLE GAUGE DR. LG. PTR 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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
MCZ33989EG 功能描述:網(wǎng)絡控制器與處理器 IC SBC-HS RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
MCZ33989EG 制造商:Freescale Semiconductor 功能描述:IC SYSTEM BASIS W/CAN TRANCEIVER
MCZ33989EGR2 功能描述:網(wǎng)絡控制器與處理器 IC SBC-HS RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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