Sdram device, Sdram device –8 – Altera Nios Development Board User Manual
Page 16

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
(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)