NS9210B-0-I75 Datasheet, PDF (11/68 Pages) List of Unclassifed Manufacturers – Figure 1 shows the NS7520 modules. Dashed lines indicate shared pins

Symbol
ADDR20
ADDR19
ADDR18
ADDR17
ADDR16
ADDR15
ADDR14
ADDR13
ADDR12
ADDR11
ADDR10
ADDR9
ADDR8
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
DATA31
DATA30
DATA29
DATA28
DATA27
DATA26
DATA25
DATA24
DATA23
DATA22
DATA21
DATA20
System Bus interface
Pin
I/O OD Description
N8 U I/O
4
P8 U
I/O
4
M7 U I/O
4
R7 U I/O
4
N7 U I/O
4
R6 U I/O
4
M6 U I/O
4
P6 U
I/O
4
N6 U I/O
4
M5 U I/O
4
P5 U
I/O
4
N5 U I/O
4
R4 U I/O
4
R3 U I/O
4
R2 U I/O
4
M4 U I/O
4
N4 U I/O
4
R1 U I/O
4
M3 U I/O
4
N2 U I/O
4
P1 U
I/O
4
N1
I/O
4
Data bus
M1
I/O
4
L3
I/O
4
L2
I/O
4
L4
I/O
4
L1
I/O
4
K3
I/O
4
K2
I/O
4
K1
I/O
4
J2
I/O
4
J3
I/O
4
J1
I/O
4
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