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Sdram device, Sdram device –8 – Altera Nios Development Board User Manual

Page 16

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1–8

Altera

Corporation

Nios Development Board Reference Manual, Stratix Edition

September 2004

SDRAM Device

f

For more information on the CompactFlash connector (CON3), see
www.compactflash.org

and www.molex.com.

SDRAM Device

The SDRAM device (U57) is a Micron MT48LC4M32B2 with PC100
functionality and self refresh mode. The SDRAM is fully synchronous
with all signals registered on the positive edge of the system clock.

34

-OIORD

M9

35

-IOWR

M10

36

-WE

L5

37

RDY/BSY

M5

38

VCC

H4

(2)

39

-CSEL

GND

(3)

40

-VS2

no connect

(3)

41

RESET

(4)

42

-WAIT

K1

43

-INPACK

J4

44

-REG

G2

45

BVD2

J1

46

BVD1

M8

47

D081

N10

48

D091

M2

49

D101

N5

50

GND

GND

(3)

Note to

Table 1–1

(1)

All pin numbers represent I/O pins on the FPGA, unless otherwise noted.

(2)

This FPGA I/O pin controls a power MOSFET that supplies 5V VCC to CON3.

(3)

This pin does not connect to the FPGA directly.

(4)

RESET is driven by the EPM7128AE configuration controller device.

Table 1–2. CompactFlash (CON3) Pin Table

Pins on CompactFlash

(CON3)

CompactFlash Function

Connects To

(1)