White Electronic Designs
FIG 1: PIN CONFIGURATION
FOR W78M32V-XBX (TOP VIEW)
W78M32V-XBX
1
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
V
IO
2
GND
3
GND
4
GND
5
V
CC
6
VIO
7
GND
8
GND
9 10
GND
V
CC
PIN DESCRIPTION
DQ
0-31
A
0-22
WE#
1-2
CS#
1-2
OE#
RESET#
WP#/ACC
RY/BY#
V
CC
V
IO
GND
DNU
NC
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Hardware Reset
Hardware Write
Protection/Acceleration
Ready/Busy Output
Power Supply
I/O Power Supply
Ground
Do Not Use
Not Connected
GND
DQ25
WE
2
#
V
IO
NC
DNU
NC
V
CC
V
IO
V
CC
DQ17
DQ27
DQ29
DQ31
NC
NC
NC
NC
V
CC
V
IO
DQ24
DQ19
DQ21
DQ23
NC
NC
NC
NC
V
IO
V
CC
DQ16
DQ26
DQ28
DQ30
NC
NC
NC
NC
V
CC
GND
CS
2
#
DQ18
DQ20
DQ22
NC
NC
NC
NC
GND
GND
OE#
A0
A22
V
CC
A12
A16
A21
A20
GND
GND
A2
WP#/A
CC
A11
GND
V
IO
A7
A10
A15
GND
GND
A3
A6
A9
V
CC
GND
A1
RESET#
A13
GND
GND
A4
A17
RY/BY#
GND
A14
A5
A18
A8
GND
BLOCK DIAGRAM
GND
NC
NC
NC
DNU*
DQ9
DQ4
WE
1
#
A19
GND
WE1#
WE2#
CS2#
CS1#
RY/BY#
RESET#
OE#
A
0-22
V
IO
NC
NC
NC
NC
DQ1
DQ11
DQ6
DQ15
V
IO
V
CC
NC
NC
NC
NC
DQ8
DQ3
DQ13
DQ7
V
CC
V
IO
NC
NC
NC
NC
DQ0
DQ10
DQ5
DQ14
V
IO
8M X 16
8M X 16
V
CC
V
CC
NC
NC
NC
CS
1
#
DQ2
DQ12
GND
V
CC
WP#/ACC
V
IO
GND
GND
GND
V
IO
V
CC
GND
GND
GND
V
IO
DQ
0-15
DQ
16-31
*Ball L5 is reserved for A23 on future upgrades
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 2006
Rev. 3
2
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
