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Manual VIPA System 200V
Chapter 3 PC 288 - CPU
HB97E - PC - Rev. 06/29
3-21
Register description
The following addresses are occupied by VIPA:
270h - 277h
Watchdog
280h - 28Fh
280h - 284h
reserved
285h EEPROM
Port
286h - 28Dh
reserved
28Eh Version
28Fh
Device ID = 84h
290h - 297h
290h WD-Timer
291h RS232/RS422
292h
C165 control register
293h Enable
register
294h - 297h
reserved
(I/O address range
270h-277h
)
The Watchdog is turned off when the system has started or has been reset
and it may be enabled under software control.
The Watchdog register is controlled via I/O address 270h and the following
parameters:
Watchdog on
Enter 40h into address 270h
Watchdog off
Enter 50h into address 270h
Watchdog trigger
Enter 60h into address 270h
and
then
70h into address 270h
The Watchdog has to be triggered when the power has been turned on.
The triggering time is programmable:
Parameter for triggering time I/O register
290h
R/W (enabled via
293h
)
time
= content of register
290h
x 117ms
content
= "0" Watchdog turned off
Address range
Watchdog
Trigger time
Содержание System 200V PC 288
Страница 1: ...Manual VIPA System 200V PC Order No VIPA HB97E_PC Rev 06 29 ...
Страница 2: ...Lerrzeichen ...
Страница 6: ...Contents Manual VIPA System 200V ii HB97E PC Rev 06 29 ...
Страница 14: ...Chapter 1 Basics Manual VIPA System 200V 1 6 HB97E PC Rev 06 29 ...
Страница 52: ...Chapter 3 PC 288 CPU Manual VIPA System 200V 3 24 HB97E PC Rev 06 29 ...
Страница 54: ...Index Manual VIPA System 200V A 2 HB97E PC Rev 06 29 M Stich ...