NS7520B-1-I46 Digi International, NS7520B-1-I46 Datasheet - Page 307
NS7520B-1-I46
Manufacturer Part Number
NS7520B-1-I46
Description
IC ARM MICROPROCESSOR 177BGA
Manufacturer
Digi International
Series
NET+ARM®r
Specifications of NS7520B-1-I46
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
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NS7520B-1-I46
Manufacturer:
Digi International
Quantity:
10 000
Part Number:
NS7520B-1-I46
Manufacturer:
NETARM
Quantity:
20 000
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Fly-by external DMA
Notes:
1
2
Mem signals (Note-1)
The memory signals are data[31:0], addr[27:0], BE[3:0], CS/RAS[4:0], CAS[3:0],
RW, OE*. WE*, and PORTC3/AMUX. The timing of these signals depends on how
the memory is configured (Sync SRAM, Async SRAM, FP DRAM, or SDRAM).
The DONE* signal works as an input only when the DMA channel is configured as
fly-by write.
DONE* (output)
DONE* (input)
DACK*
DREQ*
BCLK
Note2
72
75
T1
w w w . d i g i e m b e d d e d . c o m
TW
70
71
E l e c t r i c a l C h a r a c t e r i s t i c s
T2
73
74
72
75
2 9 5
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