5-8
Using an EEPROM or EPROM TI545/TI555 System Manual
5.4 Copying a Program into an EEPROM
To
copy a program into your EEPROM, you must first enter the program
into the CPU. V
erify that your program is correct, save your program to
your programming unit hard disk, and then continue with the steps listed
below.
1.
Ensure that the battery enable dipswitch is On, and that jumper pins
(E18) are strapped to enable programming.
2.
Set the CPU to PROGRAM mode.
3.
Select Auxiliary Function 84 in your programming unit.
4.
Use the Source T
oggle option to select RAM as your program source.
5.
Use the AUX Function 84 to erase program data on the EEPROM.
6.
Use the Copy option to copy the program from RAM to the EEPROM.
NOTE:
The CPU does not allow changes to program memory during the
programming of the EEPROM.
The CPU returns to the PROGRAM mode when the copy process is
completed.
7.
If you are finished copying the program, go to step 8.
T
o copy the program to another EEPROM, turn off controller power
,
replace the EEPROM with another
, and power up again. Repeat Steps
5 and 6 to copy the program to another EEPROM; continue the process
to program additional EEPROMs.
To
minimize risk of potential injury to personnel or damage to
equipment check the program before permitting a CPU to execute
from an EEPROM program.
An incorrect program can cause death or serious injury and/or
damage to equipment.
Y
ou must be absolutely certain that the EEPROM program is
correct. T
ake standard precautions associated with program
development and debug.
WARNING
!
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