ISPLSI3256E datasheet(2/15 Pages) LATTICE

Part #	ISPLSI3256E

Description	In-System Programmable High Density PLD

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Manufacturer	LATTICE [Lattice Semiconductor]

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Specifications ispLSI 3256E

2

Functional Block Diagram

Figure 1. ispLSI 3256E Functional Block Diagram

ORP

Global Routing Pool

(GRP)

H3

H2

H1

H0

E3

E2

E1

E0

F3

F2

F1

F0

TOE

ISP and

Boundary

Scan TAP

RESET

ORP

G3

G2

G1

G0

C0

C1

C2

C3

D0

D1

D2

D3

B0

B1

B2

B3

A0

A1

A2

A3

Input Bus

TDI/SDI

TRST

TDO/SDO

0139isp/3256E

Generic

Logic

Blocks

I/O 24

I/O 26

I/O 28

I/O 30

I/O 25

I/O 27

I/O 29

I/O 31

I/O 8

I/O 10

I/O 12

I/O 14

I/O 9

I/O 11

I/O 13

I/O 15

I/O 0

I/O 2

I/O 4

I/O 6

I/O 1

I/O 3

I/O 5

I/O 7

I/O 16

I/O 18

I/O 20

I/O 22

I/O 17

I/O 19

I/O 21

I/O 23

I/O 56

I/O 58

I/O 60

I/O 62

I/O 57

I/O 59

I/O 61

I/O 63

I/O 48

I/O 50

I/O 52

I/O 54

I/O 49

I/O 51

I/O 53

I/O 55

I/O 40

I/O 42

I/O 44

I/O 46

I/O 41

I/O 43

I/O 45

I/O 47

I/O 32

I/O 34

I/O 36

I/O 38

I/O 33

I/O 35

I/O 37

I/O 39

I/O 190

I/O 188

I/O 186

I/O 184

I/O 191

I/O 189

I/O 187

I/O 185

I/O 182

I/O 180

I/O 178

I/O 176

I/O 183

I/O 181

I/O 179

I/O 177

I/O 166

I/O 164

I/O 162

I/O 160

I/O 167

I/O 165

I/O 163

I/O 161

I/O 174

I/O 172

I/O 170

I/O 168

I/O 175

I/O 173

I/O 171

I/O 169

I/O 158

I/O 156

I/O 154

I/O 152

I/O 159

I/O 157

I/O 155

I/O 153

I/O 150

I/O 148

I/O 146

I/O 144

I/O 151

I/O 149

I/O 147

I/O 145

I/O 134

I/O 132

I/O 130

I/O 128

I/O 135

I/O 133

I/O 131

I/O 129

I/O 142

I/O 140

I/O 138

I/O 136

I/O 143

I/O 141

I/O 139

I/O 137

Megablock

ORP

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