EPF10K50VBC356-4N Просмотр технического описания (PDF) - Unspecified

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EPF10K50VBC356-4N

Embedded Programmable Logic Device Family

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FLEX 10K Embedded Programmable Logic Device Family Data Sheet

Figure 9. FLEX 10K LE Operating Modes

Normal Mode

Carry-In

Cascade-In (1)

data1

data2

data3

4-Input

LUT

data4

Arithmetic Mode

Carry-In

Cascade-Out

Cascade-In

PRN

DQ

ENA

CLRN

data1

data2

3-Input

LUT

3-Input

LUT

Carry-Out

Up/Down Counter Mode

Carry-In

PRN

DQ

ENA

CLRN

Cascade-Out

Cascade-In

LE-Out to FastTrack

Interconnect

LE-Out to Local

Interconnect

LE-Out

data1 (ena)

data2 (u/d)

data3 (data)

data4 (nload)

3-Input

LUT

3-Input

LUT

PRN

1

DQ

0

ENA

CLRN

Carry-Out

Cascade-Out

LE-Out

Clearable Counter Mode

Carry-In

data1 (ena)

data2 (nclr)

data3 (data)

data4 (nload)

3-Input

LUT

3-Input

LUT

PRN

1

DQ

0

ENA

CLRN

Carry-Out

Cascade-Out

Note:

(1) Packed registers cannot be used with the cascade chain.

Altera Corporation

LE-Out

19

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