NS7520B-1-C36 Digi International, NS7520B-1-C36 Datasheet - Page 14
![no-image](/images/manufacturer_photos/0/1/193/digi_international_sml.jpg)
NS7520B-1-C36
Manufacturer Part Number
NS7520B-1-C36
Description
IC ARM MICROPROCESSOR 177BGA
Manufacturer
Digi International
Series
NET+ARM®r
Specifications of NS7520B-1-C36
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-C36
Manufacturer:
Digi International
Quantity:
10 000
Part Number:
NS7520B-1-C36
Manufacturer:
NETARM
Quantity:
20 000
- Current page: 14 of 338
- Download datasheet (2Mb)
Key features and operating modes of the major NS7520 modules
2
N S 7 5 2 0 F e a t u r e s
NS7520 Features
The NS7520 can support most any networking scenario, and includes a 10/100 BaseT
Ethernet MAC and two independent serial ports (each of which can run in UART or SPI
mode).
The CPU is an ARM7TDMI (ARM7) 32-bit RISC processor core with a rich complement of
support peripherals and memory controllers, including:
Glueless connection to different types of memory; for example, flash,
SDRAM, EEPROM, and others.
Programmable timers
13-channel DMA controller
External bus expansion module
16 general-purpose I/O (GPIO) pins
CPU core
–
–
–
–
–
–
13-channel DMA controller
–
–
–
–
–
ARM7 32-bit RISC processor
32-bit internal bus
32-bit ARM mode and 16-bit Thumb mode
15 general-purpose 32-bit registers
32-bit program counter (PC) and status register
Five supervisor modes, one user mode
Two channels dedicated to Ethernet transmit and receive
Four channels dedicated to two serial modules’ transmit and receive
Four channels for external peripherals (only two channels — either 3 and 5
or 4 and 6 — can be configured at one time)
Three channels available for memory-to-memory transfers
Flexible buffer management
N S 7 5 2 0 H a r d w a r e R e f e r e n c e , R e v G 9 / 2 0 0 7
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