Special Function Interface For Microspace Computers Sfi; Eeprom Functions - DIGITAL-LOGIC MICROSPACE PC/104 Technical User's Manual

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9.2 Special Function Interface for MICROSPACE
Computers SFI
All functions are performed by starting the SW - INTERRUPT 60H with the following arguments:

9.2.1 EEPROM Functions

Function: WRITE TO EEPROM
Number: 0h
EPP-Version: included since version V3.0.
Description: Writes the data byte into the addressed memory cell of the
serial EEPROM.
Input Values: AH = E0h Function Request
AL = Data byte to store into the EEPROM
BX = Address of the EEPROM
Output Values: none; all registers are preserved.
Function: WRITE ALL TO EEPROM
Number: E1h
EPP-Version: included since version V3.0.
Description: Writes the data byte into all memory cells of the
serial EEPROM.
Input Values: AH = E1h Function Request
AL = Data byte to store into the whole EEPROM
Output Values: none; all registers are preserved.
Function: READ FROM EEPROM
Number: E2h
EPP-Version: included since version V3.0.
Description: Reads the data byte from the addressed memory cell of the
serial EEPROM.
Input Values: AH = E2h Function Request
BX = Address of the EEPROM
Output Values: AL = Read data byte
All other registers are preserved.
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MSM486V Manual V3.22