DK-DEV-4SGX230N Altera, DK-DEV-4SGX230N Datasheet - Page 43

• Manufacturer Part Number: DK-DEV-4SGX230N
• Description: KIT DEVELOPMENT STRATIX IV
• Manufacturer: Altera
• Series: Stratix® IVr
• Type: FPGAr

Specifications of DK-DEV-4SGX230N

• Contents: Development Board, Universal Power Supply, Cables and Software
• Silicon Manufacturer: Altera
• Core Architecture: FPGA
• Core Sub-architecture: Stratix
• Silicon Core Number: EP4S
• Silicon Family Name: Stratix IV GX
• Rohs Compliant: Yes
• For Use With/related Products: EP4SGX230K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 544-2594

Chapter 2: Logic Array Blocks and Adaptive Logic Modules in Stratix IV Devices
Adaptive Logic Modules
Figure 2–6. Stratix IV ALM Connection Details
February 2011 Altera Corporation
datac0
datac1
dataf0
datae0
dataa
datab
datae1
dataf1
Figure 2–6
One ALM contains two programmable registers. Each register has data, clock, clock
enable, synchronous and asynchronous clear, and synchronous load and clear inputs.
Global signals, general-purpose I/O pins, or any internal logic can drive the register’s
clock and clear-control signals. Either general-purpose I/O pins or internal logic can
drive the clock enable. For combinational functions, the register is bypassed and the
output of the LUT drives directly to the outputs of an ALM.
Each ALM has two sets of outputs that drive the local, row, and column routing
resources. The LUT, adder, or register outputs can drive these output drivers (refer to
Figure
or direct-link routing connections. One of these ALM outputs can also drive local
interconnect resources. This allows the LUT or adder to drive one output while the
register drives another output.
3-INPUT
3-INPUT
3-INPUT
3-INPUT
4-INPUT
4-INPUT
2–6). For each set of output drivers, two ALM outputs can drive column, row,
LUT
LUT
LUT
LUT
LUT
LUT
shared_arith_out
shared_arith_in
shows a detailed view of all the connections in an ALM.
carry_in
carry_out
+
+
V CC
GND
clk[2:0]
syncload
sclr
aclr[1:0]
reg_chain_in
Stratix IV Device Handbook Volume 1
D
D
CLR
CLR
reg_chain_out
Q
Q
local
interconnect
row, column
direct link routing
row, column
direct link routing
local
interconnect
row, column
direct link routing
row, column
direct link routing
2–7