Sintrones VBOX-3200, User Manual

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(2) Read Register & Example Code
if (pFunc != IntPtr .Zero)
{
UInt32 PortVal;
SetPortValType SetPortVal = ( SetPortValType ) Marshal .GetDelegateForFunctionPointer(pFunc,
typeof ( SetPortValType ));
GetPortValType GetPortVal = ( GetPortValType ) Marshal .GetDelegateForFunctionPointer(pFunc,
typeof ( GetPortValType ));
SetPortVal(0x4E, 0x87, 1); // Enter Super IO
SetPortVal(0x4E, 0x87, 1); // Enter Super IO
SetPortVal(0x4E, 0x07, 1); // Select Logic 7 for GPIO
SetPortVal(0x4F, 0x06, 1);
SetPortVal(0x4E, 0xA2, 1); // GPIO Status Register
// Call WinIo to get value
bool Result1 = GetPortVal(0x4F, &PortVal, 1); // Read GPIO Status
5.2.3 WDT Setting
I/O port:
260 (base address) + 05h and 06h
1 Watchdog Timer Control Register
The Watchdog Timer Control Register controls the WDT working mode. Write the value to the
WDT Configuration Port. The following table describes the Control Register bit definition:
7 6 5 4 3 2 1 0
0 0 1 1 Timer
Unit 0
Select output pulse
width of RSTOUT#
00 = 1 ms
01 = 25 ms
10 = 125 ms*
11 = 5 sec
0 = 1 sec
1 = 60 sec *