Specifications
smartModule Express SMX945 / The Special Function Interface (SFI)
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Function READ INFO 3 FROM THE EEPROM (READ COUNTER – LOW 2 BYTE OF 3 BYTE COUNTER)
Number EAh
Description Reads the information bytes out of the serial EEPROM.
AH 78h DLAG Int15 function
Input values
AL EAh Function request
AX Number of boot errors
BX Number of setup entries
CX Number of low battery errors
Output values
DX Number of power-on starts
Function WATCHDOG
Number EBh
Description
Enables strobes and disables the Watchdog. After power-up, the Watchdog is always
disabled. Once the Watchdog has been enabled, the user application must perform a strobe
at least every 800ms, otherwise the Watchdog performs a hardware reset.
AH 78h DLAG Int15 function
AL EBh Function request
BL 00h Disable
BL 01h Enable
BL FFh Strobe
01h-FFh enable Watchdog / retrigger
Input values
BH
00h=BL number of seconds / 01h=BL number of minutes
Output value AL 01h Watchdog timer time-out occurred.
Function READ TEMPERATURE OF THE CPU
Number ECh
Description Reads the temperature from the LM75 or CPU thermal sensor.
AH 78h DLAG Int15 function
Input values
AL ECh Function request
BL
00h value OK, otherwise error
CL ADM1023 temp bit 7=01h neg./*1C
Output values
DX CPU temp (from the ADM1023) bit 10=01h neg./*0125C
5.2 Int15 Emulator Driver for Windows
5.2.1 Int15 Hardware
Resources:
1. EEPROM: 2K size
000h-3FFh: reserved
400h-7FFh: available for user data
2. Temperature sensor
3. Watchdog hardware
Access to these resources under DOS can be provided by INT 15h function, see Section 7.1.
Access under Windows 98, ME, 2000 and XP can be provided by the "Int15dl"-WDM driver; under Windows-NT with the
"Int15dl"-NT driver.
You’ll find the driver on the Product CD under x:\TOOLS\DL-INT15_Tool or in the download area of the support center:
http://www.kcc-ag.ch/index.php?id=tools&dir=/SMX945&mountpoint=44