ep1k30 Altera Corporation, ep1k30 Datasheet - Page 21

• Manufacturer Part Number: ep1k30
• Description: Programmable Logic Device Family
• Manufacturer: Altera Corporation

Altera Corporation
Figure 11. ACEX 1K LE Operating Modes
data4 (nload)
data1
data2
data3
data4
data1
data2
Normal Mode
Arithmetic Mode
Up/Down Counter Mode
Clearable Counter Mode
data4 (nload)
data3 (data)
data1 (ena)
data3 (data)
data2 (u/d)
data1 (ena)
data2 (nclr)
Carry-In
Carry-In
Carry-In
Carry-In
3-Input
3-Input
4-Input
LUT
LUT
LUT
3-Input
3-Input
3-Input
3-Input
Carry-Out
LUT
LUT
LUT
LUT
Cascade-In
Cascade-In
Cascade-Out
1
0
0
1
Carry-Out
Cascade-In
Carry-Out
ACEX 1K Programmable Logic Device Family Data Sheet
Cascade-Out
Cascade-Out
Cascade-Out
D
D
ENA
ENA
CLRN
CLRN
PRN
PRN
Q
Q
D
ENA
D
ENA
CLRN
PRN
CLRN
PRN
Q
Q
LE-Out to FastTrack
Interconnect
LE-Out to Local
Interconnect
LE-Out
LE-Out
LE-Out
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