Answers Database
FPGA Configuration: Shifting serially from PROM file (LSB or MSB first?).
Record #181
Problem Title:
FPGA Configuration: Shifting serially from PROM file (LSB or MSB first?).
Problem Description:
Urgency: Standard
General Description:
When downloading data from a prom file to any 2000, 3000, 4000, 5200
device configured in serial slave mode the proper order to serially shift the
bytes into the device is LSB first.
Solution 1:
Each byte of the prom file is bit swapped from the order in
the bit file, therefore each byte of the prom file must be
downloaded LSB first, and each byte of the bit file must be
downloaded MSB first.
End of Record #181 - Last Modified: 09/13/99 10:50 |
