Procedure Of Reset Function - Panasonic FP2 ET-LAN Technical Manual

13.3.3 Procedure of Reset Function

Procedure
1. Write a value in the following address of the initial information setting area (Shared memory Bank 0) to
execute the initial processing.
Initial information setting area (Bank 0)
Address Name
204H Reset request flag 1
205H Reset request flag 2
2. Writing 55AAH in the above address (2 words) starts the operation to reset the ET-LAN unit. (Unless
either one of the above addresses is 55AAH, the unit will not be reset.)
3. After the reset function has been executed on the ET-LAN unit, the reset complete notified area
(Shared memory 206H (Bank 0)) is set to "90FFH".
The reset complete notification is used to confirm that the ET-LAN has been reset. As this area is not
automatically cleared, it is necessary to clear separately.
Initial information setting area (Bank 0)
Address Name
Reset complete
206H
notification
Note:
Approx. 5 seconds as a maximum is needed to start the reset operation.
-
The reset operation should be executed when communication is not performed.
-
Turn off all the request signals in the handshake area after the completion of the reset.
-
Default Setting value/Explanation
Reset the ET-LAN unit. Write 55AAH to reset the ET-
0000H
LAN unit.
Reset the ET-LAN unit. Write 55AAH to reset the ET-
0000H
LAN unit.
Default Setting value/Explanation
When the ET-LAN unit has been reset, 90FFH is set in
0000H
this area.
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