000-0046140-111
Page 80 of 169
SLG46140
12.1.1 2-Bit LUT or D Flip Flop Macrocells Used as 2-Bit LUTs
12.1.2 2-Bit LUT or D Flip Flop Macrocells Used as D Flip Flop Register Settings
Table 49. LUT2_4 or DFF0 Register Settings
Signal Function
Register Bit
Address
Register Definition
DFF0 or Latch
Select
<864>
0: DFF function
1: Latch function
DFF0 Output
Select
<865>
0: Q output
1: nQ output
DFF0 Initial
Polarity Select
<866>
0: Low
1: High
LUT2_4 or DFF0
Select
<868>
0: LUT2_4
1: DFF0
Table 50. LUT2_5 or DFF1 Register Settings
Signal Function
Register Bit
Address
Register Definition
DFF1 or Latch
Select
<869>
0: DFF function
1: Latch function
DFF1 Output
Select
<870>
0: Q output
1: nQ output
DFF1 Initial
Polarity Select
<871>
0: Low
1: High
LUT2_5 or DFF1
Select
<873>
0: LUT2_5
1: DFF1
Table 47. 2-bit LUT4 Truth Table.
IN1
IN0
OUT
0
0
reg <864>
0
1
reg <865>
1
0
reg <866>
1
1
reg <867>
Table 48. 2-bit LUT5 Truth Table.
IN1
IN0
OUT
0
0
reg <869>
0
1
reg <870>
1
0
reg <871>
1
1
reg <872>