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參數(shù)資料
| 型號(hào)： | MCP2150 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | DEVELOPER’S KIT USER’S GUIDE |
| 中文描述： | 開發(fā)人員包用戶指南 |
| 文件頁數(shù)： | 40/64頁 |
| 文件大?。?/td> | 2573K |
| 代理商： | MCP2150 |
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MCP2120/MCP2150 USER’S GUIDE
DS51246A-page 36
2001 Microchip Technology Inc.
3.6.1.
System Debug Tips
If you are not getting communications between the two boards, some
debugging is in order. Here are some suggested steps:
Verify that the Hyperterminal programs are set up correctly
Verify that both Hyperterminal sessions are “connected”
Verify that the MCP2120 Developer’s Boards are powered
Verify that the MCP2120 Developer’s Boards are set up correctly
If that review does not locate the issue, then more in depth debugging is
required. These steps require an oscilloscope. A digital 4-channel
oscilloscope is recommended. By typing a data byte into Hyperterminal on the
PC, the oscilloscope can be used to determine where in the system the data
byte was “l(fā)ost”.
Figure 3.19 and Figure 3.20 shows a debug flow to help troubleshoot the
communications between the two MCP2120 Developer’s Boards. Figure 3.19
shows the steps for the transmit side of System #1 (PC #1 and MCP2120
Developer’s Board #1). If it appears that the TXIR signal is correct, then the
receive side needs to be validated. Figure 3.20 shows the steps for the
receive side of System #2 (PC #2 and MCP2120 Developer’s Board #2).
These steps can then be used to debug the transmit side of System #2 and
the receive side of System #1.
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