参数资料
型号: DV330021
厂商: Microchip Technology
文件页数: 29/38页
文件大小: 0K
描述: BOARD DEV DSPICDEM MCSM KIT
标准包装: 1
系列: dsPIC™
主要目的: 电源管理,电机控制
嵌入式: *
已用 IC / 零件: dsPIC33F
主要属性: *
次要属性: *
已供物品: 板,模块,线缆,CD,电机,电源,螺丝刀
产品目录页面: 659 (CN2011-ZH PDF)
dsPICDEM? MCSM
DEVELOPMENT BOARD
USER ’S GUIDE
Chapter 4. Troubleshooting
This chapter provides information for troubleshooting problems encountered while
using the dsPICDEM MCSM Development Board.
4.1
COMMON PROBLEMS
1. Problem: USB connection in DMCI fail (amber and green LEDs are ON)
This condition is accompanied by the following error message:
FIGURE 4-1:
DMCI CONNECTION FAILURE
Solution:
a) Disconnect the USB cable. When disconnected, the green LED turns OFF.
b) Reconnect the USB cable. When reconnected, the amber LED turns OFF,
and the green LED turns ON.
2. Problem: Switching noise
While using a stepper motor, inductances are being switched on and off
frequently. Switching noise is present and can be seen with an oscilloscope.
Solution: To properly measure a signal, connect a probe to the desired signal
and one to ground and perform a division. The signal that results is what the
dsPIC DSC sees.
? 2009 Microchip Technology Inc.
DS70610A-page 29
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