Altera Cyclone III LS FPGA Development Board User Manual

Page 50

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2–42

Chapter 2: Board Components

Memory

Cyclone III LS FPGA Development Board Reference Manual

© October 2009 Altera

Corporation

Table 2–42

lists the flash pin assignments, signal names, and functions. The signal

names and types are relative to the Cyclone III LS device in terms of I/O setting and
direction.

Table 2–42. Flash Pin Assignments, Schematic Signal Names, and Functions (Part 1 of 2)

Board Reference

Description

Schematic Signal Name

I/O Standard

Cyclone III LS

Device

Pin Number

U9.F6

Address valid

FLASH_ADVn

2.5-V

AF18

U9.B4

Chip enable

FLASH_CEn

AH22

U9.E6

Clock

FLASH_CLK

AH6

U9.F8

Output enable

FLASH_OEn

AD7

U9.F7

Ready

FLASH_RDYBSYn

V4

U9.D4

Reset

FLASH_RESETn

AH5

U9.G8

Write enable

FLASH_WEn

AH17

U9.C6

Address valid

FLASH_WPn

U9.A1

Address bus

FSM_A1

AD14

U9.B1

Address bus

FSM_A2

AA17

U9.C1

Address bus

FSM_A3

AE12

U9.D1

Address bus

FSM_A4

AF21

U9.D2

Address bus

FSM_A5

AH2

U9.A2

Address bus

FSM_A6

AB12

U9.C2

Address bus

FSM_A7

AG24

U9.A3

Address bus

FSM_A8

AE25

U9.B3

Address bus

FSM_A9

AH21

U9.C3

Address bus

FSM_A10

AD25

U9.D3

Address bus

FSM_A11

AC9

U9.C4

Address bus

FSM_A12

AF4

U9.A5

Address bus

FSM_A13

AE10

U9.B5

Address bus

FSM_A14

AH26

U9.C5

Address bus

FSM_A15

AG22

U9.D7

Address bus

FSM_A16

AF12

U9.D8

Address bus

FSM_A17

AE19

U9.A7

Address bus

FSM_A18

AA9

U9.B7

Address bus

FSM_A19

AE6

U9.C7

Address bus

FSM_A20

AG18

U9.C8

Address bus

FSM_A21

AE11

U9.A8

Address bus

FSM_A22

AB16

U9.G1

Address bus

FSM_A23

AE13

U9.H8

Address bus

FSM_A24

AG11

U9.B6

Address bus (die select)

FSM_A25

AE9

U9.F2

Data bus

FSM_D0

AH9

U9.E2

Data bus

FSM_D1

AH24

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