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20
User Guide
XE8000 ProStart II
5.4 ELECTRICAL
PARAMETERS
Power supply: 9VDC
Current consumption
•
Without Evaluation board connected : 340mA
•
With Evaluation board connected, no LED lit about 360mA
•
During the programming phase peaks up to 550mA
•
Consumption with all the LEDS on 680mA
Please be careful when handling the board, the regulators and the CPLD may be hot !
Values generated by the board
•
High voltage for programming purposes 12VDC
•
VDD for MP and EV boards : 5VDC
•
VDDA for EV boards : 2.4 to 5VDC
Default EV board supply value : 3VDC
Programming supply value : 5VDC
5.5 PROGRAMMER
PARAMETERS
The programming of a XE8000 MTP chip is done in 3 phases.
Erasing the flash array
Writing the blocking bits
Writing the data
Timings:
Upload 8k instruction
Type I flash
Type II flash
Best case 1erase 1write
1 min 5 sec
47 sec
Worst case 5erase 5 write
5 min
3.35 min
Table 1 : Flash programming timings
