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NS9360B-0-C177 Datasheet, PDF (12/68 Pages) List of Unclassifed Manufacturers – This table lists the key features of the NS7520 | |||
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System Bus interface
Symbol
DATA19
DATA18
DATA17
DATA16
DATA15
DATA14
DATA13
DATA12
DATA11
DATA10
DATA9
DATA8
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
BE3_
BE2_
BE1_
BE0_
TS_
TA_
TEA_
8
Pin
I/O OD Description
H3
I/O
4
H4
I/O
4
H1
I/O
4
H2
I/O
4
G4
I/O
4
G1
I/O
4
G3
I/O
4
G2
I/O
4
F4
I/O
4
F2
I/O
4
F3
I/O
4
E1
I/O
4
E2
I/O
4
E3
I/O
4
D1
I/O
4
C1
I/O
4
B1
I/O
4
D4
I/O
4
D3
I/O
4
C2
I/O
4
D9
I/O
2
Byte enable D31:D24
A9
I/O
2
Byte enable D23:D16
C9
I/O
2
Byte enable D15:D08
B9
I/O
2
Byte enable D07:D00
A8
I/O
4
DO NOT USE
Add an external 820 ohm pullup to 3.3 V.
D8 U I/O
4
Data transfer acknowledge
Add an external 820 ohm pullup to 3.3 V.
TA_ is bidirectional. It is used in input mode to
terminate a memory cycle externally. It is used in
output mode for reference purposes only.
C8 U I/O
4
Data transfer error acknowledge
Add an external 820 ohm pullup to 3.3 V.
TEA_ is bidirectional. It is used in input mode to
terminate a memory cycle externally. It is used in
output mode for reference purposes only.
NS7520 Datasheet 03/2006
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