EP3SL150F780I3N Altera, EP3SL150F780I3N Datasheet - Page 135

• Manufacturer Part Number: EP3SL150F780I3N
• Description: Stratix III
• Manufacturer: Altera

Figure 5–19. Shift Operation Mode Shown for Half-DSP Block
Altera Corporation
October 2007
dataa_0[35..18]
datab_0[35..18]
datab_0[35..18]
dataa_0[35..18]
dataa_0[17..0]
datab_0[17..0]
dataa_0[17..0]
datab_0[17..0]
Half-DSP Block
clock[3..0]
ena[3..0]
aclr[3..0]
Two control signals rotate and shift_right together with the
signa and signb signals, determining the shifting operation. Examples
of shift operations are shown in
+
+
shift_right
rotate
signa
signb
Table
+
Stratix III Device Handbook, Volume 1
5–5.
DSP Blocks in Stratix III Devices
32
result[ ]
5–35