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. 2014 Feb 18;14(2):3172–3187. doi: 10.3390/s140203172

Table 2.

Summary of the XC3S400 area utilization. FHSS—frequency hopping spread spectrum; LUT—lookup table; IO—input-output.

XC3S400-FT256 Total Available Used DSSS Used FHSS
Slices 3584 48 (1.4%) 57 (1.6%)
LUTs 7168 69 (1%) 97 (1.4%)
IO buffers 173 3 (1.7%) 3 (1.7%)