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參數(shù)資料
| 型號： | MC73110 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Advanced 3-Phase Motor Control IC |
| 中文描述： | 先進的三相馬達控制IC |
| 文件頁數(shù)： | 18/40頁 |
| 文件大小： | 1362K |
| 代理商： | MC73110 |
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MC73110 Developer’s Kit Manual
18
Installation
2
2.7.6 Serial Port Connector (J7)
The RS-232 serial connector provides communication to/from the card using an on-card transceiver driver chip.
This connector is designed to interface without null-modem or other changes to the DB-9 PC serial port. These
signals are low power, low voltage digital or analog signals.
Pin #
2
3
5
Signal
SrlXmt
SrlRcv
GND
Description
Serial transmit signal from the MC73110 Developer’s Kit transceiver chip.
Serial receive signal to the MC73110 Developer’s Kit card.
Ground
2.8 Applying Power
Once you have installed or removed the correct jumpers and resistor packs, and once you have made the correct
connections to your hardware, installation is complete and the Developer’s Kit is ready for operation.
Upon application of power through connector J1, the card will be in a reset condition. Assuming that the flash
hasn’t been programmed or that a serial EEPROM hasn’t been installed, the MC73110 will utilize its default
values, and therefore, the motor should remain stationary. If the motors do move or jump, power down the card
and check the amplifier and encoder connections. If anomalous behavior is still observed, call PMD or your
distributor for application assistance.
2.8.1 Card Reset
During card operations, if at any time you wish to reset the MC73110, you can use the reset button indicated in
diagram 2.1 on page 14. Pushing the button will reset the controller.
2.8.2 LED Status Indicators
The MC73110 Developer’s Kit card has two LEDs to indicate the status of the board. Once the card has been
powered up the green power status LED should light. After the AmplifierDisable output pin is driven to an
Amplifier enabled condition, the red LED should light as well. The table below summarizes this:
LED
color
Green
Red
Name
Function
Power Status
Amplifier Status
The green LED is on when the board is powered up and the 3.3V is available.
The red LED is on when the amplifier is ready. It is controlled by the AmplifierDisable
pin (pin 23) of the MC73110. Normally the red LED will be off after power up. See
section
2.10, First Time System Verification, page 19
, for more information.
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