ISPLSI3256A-50LM datasheet(2/13 Pages) LATTICE

Part #	ISPLSI3256A-50LM

Description	In-System Programmable High Density PLD

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Manufacturer	LATTICE [Lattice Semiconductor]

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Specifications ispLSI 3256A

2

Functional Block Diagram

Figure 1. ispLSI 3256A Functional Block Diagram

Output Routing Pool (ORP)

Global Routing Pool

(GRP)

H3

H2

H1

H0

E3

E2

E1

E0

F3

F2

F1

F0

TOE

ISP and

Boundary

Scan TAP

RESET

I/O 95

I/O 94

I/O 93

I/O 92

I/O 91

I/O 90

I/O 89

I/O 88

I/O 87

I/O 86

I/O 85

I/O 84

I/O 83

I/O 82

I/O 81

I/O 80

I/O 79

I/O 78

I/O 77

I/O 76

I/O 75

I/O 74

I/O 73

I/O 72

I/O 71

I/O 70

I/O 69

I/O 68

I/O 67

I/O 66

I/O 65

I/O 64

I/O 0

I/O 1

I/O 2

I/O 3

I/O 4

I/O 5

I/O 6

I/O 7

I/O 8

I/O 9

I/O 10

I/O 11

I/O 12

I/O 13

I/O 14

I/O 15

I/O 16

I/O 17

I/O 18

I/O 19

I/O 20

I/O 21

I/O 22

I/O 23

I/O 24

I/O 25

I/O 26

I/O 27

I/O 28

I/O 29

I/O 30

I/O 31

Output Routing Pool (ORP)

G3

G2

G1

G0

Output Routing Pool (ORP)

C0

C1

C2

C3

Output Routing Pool (ORP)

D0

D1

D2

D3

B0

B1

B2

B3

A0

A1

A2

A3

Input Bus

TDI/SDI

TRST

TDO/SDO

0139isp/3256A

Generic

Logic

Blocks

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ISPLSI3256A-50LM Datasheet(PDF) 2 Page - Lattice Semiconductor

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