CS%20140L%20Lecture%209

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CS 140L Lecture 9

• Professor CK Cheng
• 11/26/02

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Modules (IP Blocks) that can be used for lab
four. Buses
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Register FD4CE
FD4CE
D0-3
Q0-3
CE
CLK
CLR
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Barrel Shifter BRLSHFT4
BRLSHFT4
I0-3
Q0-3
S0
S1
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Adder ADD4
Ci
A0-3
S0-3
B0-3
OFL
Co
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Comparator COMPM4
A0-3
GT
B0-3
LT
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Using Buses
Select the bus icon
Set the name, range of the bus
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Add bus taps to the bus that correspond to the
bit number in the bus. (INPUT0 corresponds to the
zero bit in the INPUT bus, INPUT1 corresponds to
the first bit, and so on).