Maxim-integrated 71M6541 Demo Board Manual de usuario Pagina 22

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71M6541 Demo Board REV 3.0 User’s Manual
22 Rev 4.0
1.9.6 THE PROGRAMMING INTERFACE OF THE 71M6541
Flash Downloader/ICE Interface Signals
The signals listed in Table 1-5 are necessary for communication between the Flash Downloader or ICE and the
71M6541.
Signal
Direction
Function
ICE_E
Input to the 71M6541
ICE interface is enabled when ICE_E is
pulled high
E_TCLK
Output from 71M6541
Data clock
E_RXTX
Bi-directional
Data input/output
E_RST
Bi-directional
Flash Downloader Reset (active low)
Table 1-5: Flash Programming Interface Signals
The E_RST signal should only be driven by the Flash Downloader when enabling these interface
signals. The Flash Downloader must release E_RST at all other times.
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