NS7520B-1-C55 Digi International, NS7520B-1-C55 Datasheet - Page 12
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NS7520B-1-C55
Manufacturer Part Number
NS7520B-1-C55
Description
IC ARM MICROPROCESSOR 177BGA
Manufacturer
Digi International
Series
NET+ARM®r
Specifications of NS7520B-1-C55
Applications
Network Processor
Core Processor
ARM7
Program Memory Type
External Program Memory
Controller Series
-
Ram Size
External
Interface
EBI/EMI, Ethernet, DMA, SPI, UART
Number Of I /o
16
Voltage - Supply
1.4 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
177-LFBGA
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NS7520B-1-C55
Manufacturer:
IR
Quantity:
4 954
Company:
Part Number:
NS7520B-1-C55
Manufacturer:
Digi International
Quantity:
10 000
Part Number:
NS7520B-1-C55
Manufacturer:
NETARM
Quantity:
20 000
8
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_
S y s t e m B u s i n t e r f a c e
Symbol
N S 7 5 2 0 D a t a s h e e t
H3
H4
H1
H2
G4
G1
G3
G2
F4
F2
F3
E1
E2
E3
D1
C1
B1
D4
D3
C2
D9
A9
C9
B9
A8
D8 U
C8 U
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
2
2
2
2
4
4
4
OD
0 3 / 2 0 0 6
Byte enable D31:D24
Byte enable D23:D16
Byte enable D15:D08
Byte enable D07:D00
DO NOT USE
Add an external 820 ohm pullup to 3.3 V.
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.
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.
Description